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Chevy Fault Codes List : Understanding and Resolving Issues

by | Oct 4, 2023 | Fault Codes

chevy fault codes

Introduction

Chevrolet, commonly known as Chevy, has a rich history of producing vehicles that are loved by many. However, like any modern automobile, Chevys are equipped with advanced onboard diagnostic systems that can detect issues and illuminate the dreaded “Check Engine” light. These issues are typically represented by fault codes. In this comprehensive guide, we’ll delve into the world of Chevy fault codes, exploring what they are, why they exist, and how to deal with them effectively.

*Please press the following to search through the Chevy fault codes list: CTRL+ F

Chevrolet Fault Codes
Trouble Code Fault Location Probable Cause
B1325 Control Module Power Circuit Low/High Voltage
P0014 Camshaft position (CMP) exhaust/right/rear, bank 1 -timing over -advanced/system performance
P0171 System too lean, bank 1 Intake/exhaust leak, AIR system, MAFNAF sensor, fuel pressure/pump, injector(s), HO2S
P0174 System too lean, bank 2 PCV tube, EVAP Purge Valve, Air intake blockage, Intake leak
P0300 Random/multiple cylinder(s) -misfire detected Spark plug(s), HT lead(s), injector(s), ignition coil(s), low compression, wiring
P0430 Catalyst System Low Efficiency Bank 2 Broken manifold bolts, Unsealed air filter housing, Cat converter break-in procedure
P0442 Evaporative Emission Control System Leak Detected Small Leak Purge valve, Chassis EVAP, Charcoal canister, Vent valve, Fuel tank leaks
P0446 Evaporative Emission (EVAP) Vent Control Circuit Malfunction (Chevrolet)
P0455 Evaporative emission (EVAP) system -large leak detected Hose connection(s), intake leak, EVAP canister, EVAP canister purge valve
P0496 Evaporative Emission System Flow During Non-Purge Charcoal canister, Camshaft cover leak, Purge Valve, Fuel tank cap
P1000 – P1099 (Fuel and air metering and auxiliary emission control)
P1011 Intake camshaft position (CMP) actuator, bank 1 -incorrect park position Engine oil level/pressure, mechanical fault
P1012 Exhaust camshaft position (CMP) actuator, bank 1-incorrect park position Engine oil level/pressure, mechanical fault
P1013 Intake Camshaft Position Actuator Park Position Bank 2
P1014 Exhaust camshaft position (CMP) actuator, bank 2-incorrect park position Engine oil level/pressure, mechanical fault
P1031 HO2S Heater Current Monitor Control Circuit Banks 1 and 2 Sensor 1
P1032 HO2S Heater Warm Up Control Circuit Banks 1 and 2 Sensor 1
P1093 Fuel rail pressure (FRP) sensor, command/actualfuel pressure -signal variation Wiring, poor connections, FRP sensor
P1094 Fuel rail pressure (FRP) sensor -signal out ofrange Wiring, poor connections, FRP sensor
P1100 – P1199 (Fuel and air metering)
P1101 Intake airflow -incorrect Wiring, mechanical fault, engine coolant temperature (ECT) sensor, barometric pressure (BARO) sensor, intake air temperature (IAT)sensor, manifold absolute pressure (MAP) sensor,mass air flow (MAF) sensor, throttle position (TP)switch
P1105 Secondary Vacuum Sensor Circuit
P1106 Manifold absolute pressure (MAP) sensor voltage high, intermittent Wiring open circuit/short circuit to positive, poorconnections
P1107 Manifold absolute pressure (MAP) sensor voltage low, intermittent Wiring short circuit to ground, poor connections
P1108 Manifold absolute pressure (MAP) sensor voltage high Wiring open circuit/short circuit to voltage, manifold absolute pressure (MAP) sensor, exhaust gas recirculation (EGR) valve, restricted exhaust system, ECM
P1109 Secondary Port Throttle System
P1111 Intake air temperature (IAT) sensor -voltage high, intermittent Wiring open circuit/short to positive, poorconnections
P1112 Intake air temperature (IAT) sensor -voltage low, intermittent Wiring short circuit to ground
P1113 Intake Resonance Switchover Solenoid Control Circuit
P1114 Engine coolant temperature (ECT) sensor voltage low, intermittent Wiring short circuit to ground, poor connections
P1115 Engine coolant temperature (ECT) sensor voltage high, intermittent Wiring open circuit/short to positive, poor connections
P1116 Engine coolant temperature (EeT) sensor circuit malfunction Wiring, ECT sensor, ECM
P1117 Engine Coolant Temperature Signal Out-Of-Range Low
P1118 Engine Coolant Temp. Signal Out-Of-Range High
P1119 Engine Coolant Temperature Signal Out Of Rage
P1120 Throttle motor position sensor 1 -circuitmalfunction Wiring, throttle control module
P1121 Throttle position (TP) sensor -voltage high, intermittent Wiring open circuit/short to positive, poor connections
P1122 Throttle position (TP) sensor -voltage low, intermittent Wiring open circuit/short to ground, poor connections
P1125 Accelerator pedal position (APP) sensor 1/2 signal malfunction Wiring, APP sensor, ECM
P1130 HO2S Circuit Low Variance Bank 1 Sensor 1
P1131 HO2S Circuit Low Variance Bank 1 Sensor 2
P1132 Heated oxygen sensor (H02S) 1, bank 1 signal circuit shorted to heater circuit Wiring, H02S, ECM
P1133 Heated oxygen sensor (H02S) 1, bank 1 insufficient switching Wiring, exhaust system leaking, H02S
P1134 Heated oxygen sensor (H02S) 1, bank 1 -slow response Wiring, oxygen sensor heater, exhaust system leaking, H02S
P1135 HO2S Lean Mean Bank 1 Sensor 1
P1136 HO2S Rich Mean Bank 1 Sensor 1
P1137 Heated oxygen sensor (H02S) 2, bank 1 voltage low Wiring, exhaust system leaking, H02S
P1138 Heated oxygen sensor (H02S) 2, bank 1 voltage high Wiring, H02S
P1139 HO2S Insufficient Switching Bank 1 Sensor 2
P1140 HO2S Transition Time Ratio Bank 1 Sensor 2
P1141 HO2S Heater Control Circuit Bank 1 Sensor 2
P1143 HO2S Bank 1 Sensor 3 Lean System or Low Voltage
P1144 HO2S Bank 1 Sensor 3 Rich or High Voltage
P1145 HO2S Cross Counts Bank 1 Sensor 3
P1152 Heated oxygen sensor (H02S) 1, bank 2 signal circuit shorted to heater circuit Wiring, H02S, ECM
P1153 Heated oxygen sensor (H02S) 1, bank 2insufficient switching Wiring, oxygen sensor heater, exhaust system leaking, H025
P1154 Heated oxygen sensor (H02S) 1, bank 2 slow response Wiring, oxygen sensor heater, exhaust system leaking, H025
P1155 HO2S Lean Average Bank 2 Sensor 1
P1156 HO2S Rich Average Bank 2 Sensor 1
P1157 HO2S Bank 2 Sensor 2 Lean System Or Low Voltage
P1158 Heated oxygen sensor (H02S) 2, bank 2 -not switching, fuel trim (FT) rich mixture Wiring, exhaust system leaking, H02S
P1159 HO2S Cross Counts Bank 2 Sensor 2
P1161 HO2S Heater Control Circuit Bank 2 Sensor 2
P1163 HO2S Bank 2 Sensor 3 Lean System Or Low Voltage
P1164 HO2S Bank 2 Sensor 3 Rich Or High Voltage
P1165 HO2S Cross Counts Bank 2 Sensor 3
P1166 Heated oxygen sensor (H02S) 2, bank 1 voltage low Wiring, exhaust system leaking, H025
P1170 Bank To Bank Fuel TrimOffset
P1171 Fuel system -lean during acceleration Fuel filter, fuel pump, H02S, injectors
P1172 Fuel level sensors, primary & secondary sensorno fuel level change during fuel transfer fromsecondary to primary tank Wiring, fuel pump relays, secondary fuel pump, fuel level sensors, ECM
P1174 Heated oxygen sensor (H02S) 1, bank 1 mixture variation between cylinders Intake/exhaust leak/blockage, mechanical fault,ignition control, H02S
P1175 Heated oxygen sensor (H02S) 1, bank 2 mixture variation between cylinders Intake/exhaust leak/blockage, mechanical fault,ignition control, H02S
P1182 Supercharger (SC) boost pressure sensor malfunction Wiring, intake/exhaust leak/blockage, SC boost pressure sensor, SC bypass valve, BARO sensor,IAT sensor, MAP sensor, MAF sensor, ECM
P1183 Supercharger (SC) boost pressure sensor voltage low Wiring, SC boost pressure sensor, ECM
P1184 Supercharger (SC) boost pressure sensor voltage high Wiring, SC boost pressure sensor, ECM
P1185 Engine Oil Temperature Sensor Circuit
P1186 Engine Oil Temperature Sensor Circuit Performance
P1187 Engine oil temperature (EOT) sensor -voltage low Wiring open circuit/short circuit to ground, EOT sensor, ECM
P1188 Engine oil temperature (EOT) sensor -voltage high Wiring open circuit/short circuit to positive, EOT sensor, ECM
P1189 Engine oil pressure warning lamp switch circuit malfunction Wiring, engine oil pressure warning lamp switch
P1190 Engine Vacuum Leak
P1191 Intake manifold system ,-air leak Intake hose pipe connections, EGR system, ECM
P1200 – P1299 (Fuel and air metering – injector circuit)
P1200 Injectors -circuit malfunction Wiring open circuit/short circuit to ground/ short circuit to positive, injectors, ECM
P1201 Gas Mass Sensor Circuit Range/Performance
P1202 Gas Mass Sensor Circuit Low Frequency
P1203 Gas Mass Sensor Circuit High Frequency
P1211 Mass Air Flow Circuit Intermittent High
P1212 Mass Air Flow Circuit Intermittent Low
P1214 Injection Pump Timing Offset
P1215 Generator Driver Circuit Conditions
P1216 Fuel Solenoid Response Time Too Short Conditions
P1217 Fuel Solenoid Response Time Too Long
P1218 Injection Pump Calibration Circuit
P1219 Throttle Position Sensor Reference Voltage
P1220 Throttle motor position sensor 2 -circuit malfunction Wiring, throttle control module
P1221 Throttle motor position sensor 1/2 -signalvariation Wiring, throttle control module
P1222 Injector control, circuit monitor -malfunction Injector, wiring
P1223 Injector 1 -circuit malfunction Wiring, injector, FICM
P1224 Injector 1 -circuit malfunction Wiring, injector, ECM
P1225 Injector Circuit Cylinder 2 Intermittent
P1226 Injector 2 -circuit malfunction Wiring, injector, FICM
P1227 Injector 2 -circuit malfunction Wiring, injector, ECM
P1228 Injector Circuit Cylinder 3 Intermittent
P1229 Injector 3 -circuit malfunction Wiring, injector, FICM
P122A Injector 3 -circuit malfunction Wiring, injector, ECM
P1231 Injector Circuit Cylinder 4 Intermittent
P1232 Injector 4 -circuit malfunction Wiring, injector, FICM
P1233 Injector 4 -circuit malfunction Wiring, injector, ECM
P1234 Injector Circuit Cylinder 5 Intermittent
P1235 Injector 5 -circuit malfunction Wiring, injector, FICM
P1236 Injector 5 -circuit malfunction Wiring, injector, ECM
P1237 Injector Circuit Cylinder 6 Intermittent
P1238 Injector 6 -circuit malfunction Wiring, injector, FICM
P1239 Injector 6 -circuit malfunction Wiring, injector, ECM
P1240 Injector Circuit Cylinder 7 Intermittent
P1241 Injector 7 -circuit malfunction Wiring, injector, FICM
P1242 Injector 7 -circuit malfunction Wiring, injector, ECM
P1243 Injector Circuit Cylinder 8 Intermittent
P1244 Injector 8 -circuit malfunction Wiring, injector, FICM
P1245 Intake Plenum Switchover Valve
P1247 Injector 8 -circuit malfunction Wiring, injector, ECM
P1248 Injector 1 Positive Voltage Control Circuit Shorted to Control Circuit
P1249 Injector 2 Positive Voltage Control Circuit Shorted to Control Circuit
P1250 Intake manifold heater -circuit malfunction Wiring, intake manifold heater, intake manifold heater relay
P1255 Fuel pump control module -driver over-temperature Fuel pump control module
P1257 Supercharger System Overboost
P1258 Engine overheating Cooling system, ECT sensor
P1260 Fuel Pump Speed Relay Control Circuit Conditions
P1261 Injectors 1, 4, 6 & 7 -high voltage Wiring, injector(s), ECM, FICM
P1262 Injectors 2, 3, 5 & 8 -high voltage Wiring, injector(s), ECM, FICM
P1270 Engine control module (ECM), APP sensor signal-analogue/digital process malfunction Engine control module (ECM)
P1271 Accelerator pedal position (APP) sensor 1/2 signal variation Wiring, APP sensor, ECM
P1272 Accelerator pedal position (APP) sensor 2/3 -signal variation Wiring, APP sensor, ECM
P1273 Accelerator pedal position (APP) sensor 1/3 –signal variation Wiring, APP sensor, ECM
P1274 Injectors Wired Incorrectly
P1275 Accelerator pedal position (APP) sensor 1 circuitmalfunction Wiring, APP sensor, ECM
P1276 Accelerator pedal position (APP) sensor 1 rangeperformance . Wiring, APP sensor, ECM
P1277 Accelerator pedal position (APP) sensor 1 voltage low Wiring, APP sensor, ECM
P1278 Accelerator pedal position (APP) sensor 1voltage high Wiring, APP sensor, ECM
P1280 Accelerator pedal position (APP) sensor 2 circuit malfunction Wiring, APP sensor, ECM
P1281 Accelerator pedal position (APP) sensor 2 range performance Wiring, APP sensor, ECM
P1282 Accelerator pedal position (APP) sensor 2voltage low Wiring, APP sensor, ECM
P1283 Accelerator pedal position (APP) sensor 2voltage high Wiring, APP sensor, ECM
P1285 Accelerator pedal position (APP) sensor 3 circuitmalfunction Wiring, APP sensor, ECM
P1286 Accelerator pedal position (APP) sensor 3 range performance Wiring, APP sensor, ECM
P1287 Accelerator Pedal Position Sensor 3 Circuit Low Voltage
P1288 Accelerator pedal position (APP) sensor 3voltage high Wiring, APP sensor, ECM
P1293 Fuel injection control module -circuit malfunction bank 1 Fuel injection control module
P1294 Fuel injection control module -circuit malfunction bank 2 Fuel injection control module
P1295 Fuel injection control module -circuit malfunction bank 1 Fuel injection control module
P1296 Fuel injection control module -circuit malfunction bank 2 Fuel injection control module
P129D Ignition switch circu it 1 -low voltage Wiring, fuel pump flow control module (FPMC),fuel pump flow control module (FPCM) relay
P129F Fuel pump speed signal -incorrect Wiring, fuel pump flow control module (FPMC), fuel pump flow control module (FPCM) relay
P12A1 Fuel pump speed circuit -high duty cycle Wiring, fuel pump flow control module (FPMC), fuel pump flow control module (FPCM) relay
P12A2 Fuel pump speed circuit -performance Wiring, fuel pump flow control module (FPMC),fuel pump flow control module (FPCM) relay
P12A4 Fuel pump enable circuit voltage -low Wiring, fuel pump flow control module (FPMC), fuel pump flow control module (FPCM) relay
P12A5 Fuel pump enable circuit voltage -high Wiring, fuel pump flow control module (FPMC),fuel pump flow control module (FPCM) relay
P12A6 Fuel pump enable circuit voltage -performance Wiring, fuel pump flow control module (FPMC),fuel pump flow control module (FPCM) relay
P12A7 Fuel pump phase U-V-W circuit Wiring, fuel pump flow control module (FPCM) relay
P12AO Fuel pump speed circuit -low duty cycle Wiring, fuel pump flow control module (FPMC),fuel pump flow control module (FPCM) relay
P1300 – P1399 (Ignition system or misfire)
P1300 Ignition coil 1 control -feedback circuit malfunction Wiring, ignition coil 1, ECM
P1305 Ignition coil 2 control -feedback circuitmalfunction Wiring, ignition coil 2, ECM
P1310 Ignition coil 3 control -feedback circuitmalfunction Wiring, ignition coil 3, ECM
P1315 Ignition coil 4 control -feedback circuitmalfunction Wiring, ignition coil 4, ECM
P1320 IC Module 4X Reference Circuit Intermittent No Pulses
P1321 Electronic Ignition System Fault Line
P1322 EI System or Ignition Control Extra or Missing
P1323 IC 24X Reference Circuit Low Frequency
P1324 Crank RPM Too Low
P1335 Crankshaft position (CKP) sensor -circuit malfunction Wiring, CKP sensor, ECM
P1336 Crankshaft position (CKP) sensor -variation notlearned Learning procedure not performed
P133E P133E – Cylinder 7 Glow Plug Offset Exceeded
P1345 Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation CKP sensor, distributor/camshaft alignment, mechanical fault
P1346 Camshaft position actuator -circuit malfunction Wiring, mechanical fault, camshaft position actuator, ECM
P1349 Camshaft position actuator -circuit malfunction Wiring, mechanical fault, camshaft position actuator, ECM
P1350 Ignition control system, bypass monitor circuitmalfunction Wiring, poor connections, ICM, ECM
P1351 Ignition control system, coil -voltage high Wiring open circuit, ICM, ECM
P1352 Ignition control system, bypass circuit voltage high Wiring open circuit, ICM, ECM
P1353 Ignition control module (ICM) -ignition coil 3circuit voltage high Wiring open circuit/short circuit to ground/short circuit to positive, ICM, ECM
P1354 Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 4
P1355 Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 5
P1356 Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 6
P1357 Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 7
P1358 Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 8
P1359 Ignition Control Circuit Group 1
P1360 Ignition Control Circuit Group 2
P1361 Ignition control system, ignition control (IC) circuit -voltage low Wiring, circuit short circuit to positive/ ground,poor connections, ICM, ECM
P1362 Ignition control, bypass circuit -voltage low Wiring short circuit to positive/ground, ICM, ECM
P1363 Ignition control module (ICM) -ignition coil 3 circuit voltage low Wiring short circuit to ground/positive, bypass circuit short circuit to ground, ICM, ECM
P1364 Ignition Control Cylinder 4 Not Toggling After Enable
P1365 Ignition Control Cylinder 5 Not Toggling After Enable
P1366 Ignition Control Cylinder 6 Not Toggling After Enable
P1367 Ignition Control Cylinder 7 Not Toggling After Enable
P1368 Ignition Control Cylinder 8 Not Toggling After Enable
P1370 Ignition Control Module 4X Reference Circuit Too Many Pulses
P1371 Ignition control reference signal. low/high resolution -low signal lost Wiring,lCM
P1372 Crankshaft Position Sensor A-B Correlation Conditions
P1374 Crankshaft position (CKP) sensor, high to lowresolution frequency -signal variation Wiring, wiring routed near spark plug wires, ignition coils arCing/tracking, ICM, ECM
P1375 IC 24X Reference Circuit High Voltage
P1376 Ignition Ground Circuit
P1377 Ignition Control Module Cam Ref Pulse To 4X Ref Pulse Incorrect
P1380 Antilock brake system (ABS)/traction control system (TCS), rough road signal to engine control module (ECM) -malfunction ABS trouble code(s) stored
P1381 Antilock brake system (ABS)/traction control system (TCS), rough road signal to engine control module (ECM) -no communication Wiring, poor connections, ABS
P1390 Wheel Speed Sensor 1 G-Sensor Circuit
P1391 Rough road sensor -signal malfunction Wiring, rough road sensor, ECM
P1392 Rough road sensor -voltage low Wiring, rough road sensor, ECM
P1393 Rough road sensor -voltage high Wiring, rough road sensor, ECM
P1394 Wheel Speed Sensor 1 G-Sensor Circuit Intermittent
P1395 Wheel Speed Sensor 2 G-Sensor Circuit
P1396 Rough road sensor -signal malfunction Wiring, rough road sensor, wheel speed sensor, ECM
P1397 Rough road sensor -signal malfunction Wiring, rough road sensor, wheel speed sensor, ABS control module
P1398 Wheel Speed Sensor 2 G-Sensor Circuit High Voltage
P1399 Wheel Speed Sensor 2 G-Sensor Circuit Intermittent
P1400 – P1499 (Emission control)
P1400 Cold start emission control -malfunction Intake/exhaust leak/blockage, mechanical fault, idlespeed control (ISC) system, ignition control, engine coolant temperature (ECT) sensor, H02S
P1403 Exhaust gas recirculation (EGR) solenoid 1circuit malfunction Wiring, EGR valve, ECM
P1404 Exhaust gas recirculation (EGR) valve not fully closing Wiring, poor connections, EGR valve position sensor, EGR solenoid
P1405 Exhaust gas recirculation (EGR) solenoid 3 circuit malfunction Wiring, EGR valve, ECM
P1406 Exhaust gas recirculation (EGR) valve position sensor range performance Wiring, EGR valve tight/sticking, EGR valve position sensor
P1407 EGR Air Intrusion in Exhaust Supply to EGR Valve
P1408 Manifold absolute pressure (MAP) sensor voltageout range Wiring, poor connections, MAP sensor, ECM
P1409 EGR Vacuum System Leak
P1410 Evaporative emission (EVAP) canister purge valve-circuit malfunction Wiring, poor connections, EVAP canister vent valve, ECM
P1415 Secondary air injection (AIR) system, bank 1 Wiring, hoses blocked/leaking, AIR valve
P1416 Secondary air injection (AIR) system, bank 2 Wiring, hoses blocked/leaking, AIR valve
P1418 Secondary Air Injection System Relay ‘A’ Control Circuit High
P1420 Intake Air Low Pressure Switch Circuit Low Voltage
P1421 Intake Air Low Pressure Switch Circuit High Voltage
P1423 Intake Air High Pressure Switch Circuit High Voltage
P1431 Fuel level sensor -circuit malfunction Wiring, fuel level sensor
P1432 Fuel level sensor low voltage Wiring open circuit, fuel level sensor
P1433 Fuel level sensor -voltage high Wiring short circuit to positive, fuel level sensor
P1441 Evaporative emission (EVAP) system -leak detected Hose connection(s), EVAP canister, EVAP canister purge valve
P1442 Evaporative emission (EVAP) system vacuum switch -circuit malfunction Hoses blockedlleaking, wiring, EVAP canister, ECM
P1448 Diesel particulate filter (DPF) regeneration frequency -too low Hoses blockedlleaking, exhaust, exhaust pressure sensor
P1450 Barometric pressure (BARO) sensor -voltage outof range Wiring, BARO sensor, ECM
P1451 Barometric pressure (BARO) sensor performance range Wiring, poor connections, BARO sensor, ECM
P1460 Cooling Fan Control System
P1480 Cooling Fan 1 Control Circuit High
P1481 Cooling Fan Speed Signal Lost
P1482 Cooling Fan Circuit Condition
P1483 Engine cooling system -performance Cooling system, ECT sensor, IAT sensor
P1484 Cooling Fan RPM Signal Malfunction
P1500 – P1599 (Vehicle or idle speed control)
P1500 Ignition switch, cranking signal/system voltage -circuit malfunction Wiring, poor connections, ECM
P1501 Theft Deterrent System Fault Conditions
P1502 Theft Deterrent Fuel Enable Signal Not Received
P1503 Theft Deterrent Fuel Enable Signal Not Correct
P1504 Engine control module (ECM). vehicle speed sensor (VSS) output signal -circuit malfunction Wiring, poor connections, ABS, ECM
P1508 Idle air control (lAC) valve -low rpm Wiring open circuit/short circuit to ground/short circuit to positive, lAC valve, throttle valve tight/sticking
P1509 Idle air control (lAC) valve -high rpm Wiring open circuit/short circuit to ground/short circuit to positive, lAC valve, throttle valve tight/sticking
P1510 Engine control module (ECM), KAM supply voltage -circuit malfunction Wiring, poor connections, ECM
P1511 Throttle Control System Backup System Performance
P1512 Throttle control unit -signal variation Wiring, throttle control unit, ECM
P1514 Throttle control unit, intake air flow -excessive Throttle control unit, MAP sensor, CMP sensor signal, ECM
P1515 Throttle command/actual throttle position -signalvariation Wiring, throttle valve sticking, throttle control module
P1516 Throttle command/actual throttle position signal variation Wiring, throttle valve sticking, throttle control module
P1517 Throttle control module -malfunction Throttle control module
P1518 Throttle control. module/engine control module(ECM) -communication malfunction Wiring, throttle control module, ECM
P1519 Throttle motor position sensor 1 -signal malfunction Throttle control module
P1520 Park/neutral position (PNP) switch -circuit malfunction Wiring short circuit to ground, PNP switchincorrectly adjusted
P1521 Transmission Engaged at High Throttle Angle
P1522 Park/Neutral to Drive/Reverse at High RPM
P1523 Throttle control unit, closed throttle position -performance Throttle valve movement restricted, throttle control unit
P1524 Throttle Closed Position Performance
P1525 Throttle Body Service Required
P1526 Minimum Throttle Position Not Learned Conditions
P1527 Throttle Position Sensor Learned Closed Throttle Degrees Out Of-Range
P1528 Governor
P1529 Heated Windshield Request Problem
P1530 A/C refrigerant pressure sensor/switch -circuitmalfunction Wiring, A/C refrigerant pressure sensor/ switch, ECM
P1531 A/C refrigerant pressure sensor -voltage low Incorrect refrigerant charge, wiring, A/C refrigerant pressure sensor, ECM
P1532 AlC refrigerant temperature sensor -voltage low Wiring open circuit/short circuit to ground, AlC refrigerant temperature sensor, ECM
P1533 AlC refrigerant temperature sensor -voltage high Wiring open circuit/short circuit to ground, AlC refrigerant temperature sensor, ECM
P1534 A/C High Side Temperature Sensor Low Voltage
P1535 A/C High Side Temperature Sensor Circuit
P1536 Engine Coolant Overtemperature Air Conditioning Disabled
P1537 A/C Request Circuit Low Voltage
P1538 A/C Request Circuit High Voltage
P1539 AlC compressor clutch relay -voltage high Wiring, AlC compressor clutch relay, ECM
P1540 A/C System High Pressure
P1541 A/C High Side Over Temperature
P1542 A/C System High Pressure High Temperature
P1543 AlC system -performance Refrigerant low, wiring, AlC refrigerant pressure sensor, AlC evaporator temperature sensor, ECM
P1544 A/C Refrigerant Condition Very Low
P1545 AlC compressor clutch relay -voltage low Wiring, AlC compressor clutch relay, ECM
P1546 A/C compressor clutch relay -circuit malfunction Wiring, A/C compressor clutch relay, ECM
P1547 A/C System Performance Degraded
P1548 A/C Recirculation Circuit
P154A Intake air heater -feedback circuit Wiring, glow plug control module, intake air heater
P154B Intake air heater -voltage signal circuit Wiring, glow plug control module, intake air heater
P154C Intake air heater -current signal circuit Wiring, glow plug control module, intake air heater
P154D Intake air heater -temperature signal circuit Wiring, glow plug control module, intake air heater
P1550 Cruise control system, motor actuator -circuitmalfunction Wiring, poor connections, cruise control motor/actuator, ECM
P1551 Throttle valve -rest position incorrect Wiring, throttle body mechanical fault, throttle body, ECM ,
P1554 Cruise control status circuit -high voltage Wiring open circuit/short circuit to ground, cruise control module, ECM
P1555 Electronic Variable Orifice Output
P1558 Cruise control system -performance low Wiring, poor connections, throttle cable sticking, electrical interference
P1559 Cruise Control Power Management Mode
P1560 Transaxle Not in Drive Cruise Control Disabled
P1561 Cruise control, vent solenoid -circuit malfunction Wiring, solenoid valve
P1562 Cruise control, vacuum solenoid -circuit malfunction Wiring, solenoid valve
P1563 Cruise Vehicle Speed/Set Speed Difference Too High
P1564 Cruise Control System Vehicle Acceleration Too High
P1565 Cruise control servo position sensor -circuit malfunction Wiring, poor connections, servo position sensor
P1566 Cruise Control System Engine RPM Too High
P1567 Cruise control master switch -circuit malfunction Wiring, poor connections, cruise control master switch
P1568 Cruise control system -performance high Wiring, poor connections, throttle cable sticking
P1569 Cruise Servo Stroke High While Not In Cruise
P1570 Cruise Control System Traction Control Active
P1571 Traction control system (TCS), torque request signal -malfunction Wiring, poor connections, ABSITCS
P1572 Traction control system (TCS). active signal -malfunction Wiring short to ground, ABSITCS, ECM
P1573 Engine control module (ECM), antilock brake system (ASS)/traction control system (TCS)communication -malfunction Wiring, poor connections, ABS control module, ECM
P1574 Brake pedal position (BPP) switch, voltage high Wiring, ABS
P1575 Brake pedal position (BPP) .switch. extended travel contacts -voltage high Wiring, ABS
P1576 Brake Booster Vacuum Sensor Circuit High Voltage
P1577 Brake Booster Vacuum Sensor Circuit Low Input
P1578 Brake Booster Vacuum Sensor Circuit Low Vacuum
P1579 P/N to D/R at High Throttle Angle – Power Reduction Mode Active
P1580 Cruise Move Circuit Low Voltage
P1581 Cruise Control Module Move Circuit High Input Conditions
P1582 Cruise Control Module Direction Low Input Conditions
P1583 Cruise Direction CircuitHigh Voltage
P1584 Cruise Control Disabled
P1585 Cruise control system, inhibit output circuit Wiring, poor connections, cruise control motor/actuator, ECM
P1586 Cruise control system. brake switch 2 -circuit malfunction Wiring, poor connections, BPP switch
P1587 Cruise Control Clutch Control Circuit Low
P1588 Cruise Control Clutch Control Circuit High
P1599 Cruise control system -engine management has operated in limited power mode Throttle cable sticking, brake vacuum release valve, cruise control actuator, electricalinterference
P1600 – P1699 (ECM – computer output circuit)
P1600 Engine control module (ECM) -malfunction ECM
P1601 CAN data bus, ECM/ASSITCS/instrumentation control module/diagnostic control module some communication lost Wiring, poor connections, ECM, ABSITCS, diagnostic control module, instrumentation control module
P1602 CAN data bus -antilock brake system (ASS)/ traction control system (TCS) Wiring, ABSITCS control module trouble code(s) stored
P1603 Loss Of Sensing Diagnostic Mode Data Conditions
P1604 CAN data bus -instrument panel Wiring, BCM trouble code(s) stored
P1605 CAN data bus -A/C Wiring, A/C system trouble code(s) stored
P1606 Serial Communication Problem With Device 6
P1607 Serial Communication Problem With Device 7
P1608 Serial Communication Problem With Device 8
P1609 Loss Of TCS Serial Data
P160C Glow plug control module engine calibration information -not programmed Program fuel injection flow rate
P1610 CAN data bus -body control module (SCM) Wiring, SCM trouble code(s) stored
P1611 Loss Of Continuous Variable Real Time Damping Serial Data Conditions
P1612 Loss Of IPM Serial Data
P1613 Loss Of DIM Serial Data
P1614 Loss Of RIM Serial Data
P1615 Loss Of VTD Serial Data
P1617 Engine Oil Level Switch Circuit
P1619 Engine Oil Life Monitor Reset Circuit
P161B Throttle motor control module -performance ECM, transmission, AlC compressor, manifold absolute pressure (MAP) sensor hose
P1620 Low Engine Coolant Circuit Conditions
P1621 Engine control module (ECM) -malfunction ECM
P1622 Cylinder Select
P1623 Engine control module (ECM), PROM -malfunction Poor connections, incorrect programming, ECM
P1624 Engine control module (ECM) memory performance ECM
P1625 PCM Flash Checksum TCM Conditions
P1626 Engine control module (ECM) -fuel enable signal lost Wiring, poor connections, immobilizer control module, ECM
P1627 Engine control module (ECM) -malfunction ECM
P1628 Powertrain Control Module Engine Control Temperature Pullup Resistor Conditions
P1629 Engine control module (ECM) -fuel enable signal not received Incorrect ignition key, wiring, poor connections, immobilizer control module, ECM
P1630 Engine control module (ECM). immobilizer code -leaming mode ECM immobilizer code programming not completed
P1631 Engine control module (ECM) -incorrect immobilizer code Incorrect key, immobilizer code not programmed
P1632 Engine control module (ECM) -fuel disable signal received Fuses, BCM, immobilizer code
P1633 Engine control module (ECM), ignition supply voltage Fuse, wiring open circuit, ECM
P1634 Engine control module (ECM), ignition supply voltage Fuse, wiring open circuit, ECM
P1635 Engine control module (ECM). sensor supply voltage -circuit malfunction Wiring, poor connections, TP sensor, MAP sensor, EGR valve position sensor, FTP sensor, ECM
P1636 PCM Stack Overrun
P1637 Alternator warning lamp. control signal -circuit malfunction Wiring, instrument panel, ECM
P1638 Alternator ‘F’ terminal -circuit malfunction Wiring open circuit/short circuit to ground,alternator, ECM
P1639 Engine control module (ECM). sensor supply voltage -circuit malfunction Wiring. poor connections, A/C refrigerant pressure sensor. FTP sensor. ECM
P1640 Engine control module, output driver 1 -supplyv oltage high Wiring, loose alternator connection, alternator
P1641 Malfunction indicator lamp (MIL) -circuit malfunction Wiring, poor connections, MIL, ECM
P1642 Secondary air injection (AIR) pump relay circuit malfunction Wiring, AIR pump relay, ECM
P1643 Glow plug warning lamp -circuit malfunction Wiring, glow plug warning lamp, ECM
P1644 Traction control system (TCS). delivered torque signal -malfunction Wiring, poor connections, ECM
P1645 Evaporative Emission Vent Solenoid Control Circuit
P1646 EVAP Vent Solenoid Output Circuit
P1647 Driver 1 Line 7
P1648 Anti-Theft Device Wrong Security Code
P1650 Engine control module, output driver 2 -supply voltage high Wiring, loose alternator connection, alternator
P1651 Engine coolant blower motor relay 1 -circuit malfunction Wiring, engine coolant blower motor relay, ECM
P1652 Engine coolant blower motor relay 2 -circuit malfunction Wiring, engine coolant blower motor relay(s), ECM
P1653 Engine oil level ‘low’ warning lamp, control signal -circuit malfunction Wiring short circuit to ground, engine oil level, ECM
P1654 A/C compressor clutch relay -circuit malfunction Wiring open circuit/short circuit to ground, A/C compressor clutch relay, ECM
P1655 Evaporative emission (EVAP) canister purge valve -circuit malfunction Wiring open circuit/short circuit to ground, EVAP canister vent valve, ECM
P1656 Camshaft position actuator -circuit malfunction Wiring open circuit/short circuit to ground, camshaft position actuator, ECM
P1657 Skip shift solenoid -circuit malfunction Wiring, skip shift solenoid, ECM
P1658 Fuel injector control module (FICM) -malfunction FICM
P1660 Engine control module, output driver 3 -supply voltage high Wiring, loose alternator connection, alternator
P1661 Malfunction indicator lamp (MIL) -circuit malfunction Wiring, MIL, ECM
P1662 Cruise control, inhibit output circuit malfunction Wiring open circuit/short circuit to ground, cruise control motor/actuator, cruise control module, ECM
P1663 Alternator warning lamp, control signal -circuitmalfunction Wiring, instrument panel, ECM
P1664 Skip shift warning lamp -circuit malfunction Wiring, skip shift warning lamp, ECM
P1665 Evaporative emission (EVAP) canister vent valve -circuit malfunction Wiring open circuit/short circuit to ground, EVAP canister vent valve, ECM
P1666 Driver 3 Line 6
P1667 Reverse inhibit solenoid -circuit malfunction Wiring, reverse inhibit solenoid, ECM
P1668 Alternator ‘L’ terminal -circuit malfunction Wiring, voltage regulator, alternator, ECM
P1669 ABS Unit Expected
P166B Intake air heater -over temperature Intake air heater
P166C Intake air heater -resistance Intake air heater
P1670 ECM -internal circuit malfunction, ignition coil ECM
P1671 Malfunction indicator lamp (MIL) -circuit malfunction Wiring open circuit/short circuit to groundl short circuit to positive, MIL, ECM
P1672 Engine oil level ‘low’ warning lamp, control signal -circuit malfunction Wiring short circuit to ground, engine oil level, ECM
P1673 Engine coolant ‘hot’ waming lamp, control signal -circuit malfunction Wiring, instrument panel, cooling system, ECM
P1674 Tachometer -circuit malfunction Wiring open circuit/short circuit to groundl shortcircuit to positive, instrument panel, ECM
P1675 Evaporative emission (EVAP) canister vent valve -circuit malfunction Wiring, poor connection, EVAP canister vent valve, ECM
P1676 Evaporative emission (EVAP) canister purgevalve -circuit malfunction Wiring open circuit/short circuit to ground, EVAP canister purge valve, ECM
P1677 Immobilizer Function Deactivated
P1678 Immobilizer Powertrain Identification Failed
P1679 Immobilizer Environment Identification Failed
P167A ECM -internal circuit malfunction, heated oxygen sensor (H02S) 1, bank 1 ECM
P1680 Engine control module (ECM) -malfunction ECM
P1681 Engine control module (ECM) -malfunction ECM
P1682 Engine control module (ECM) -ignition power supply variation Wiring, EC relay, starter motor relay, ECM
P1683 Engine control module (ECM) -malfunction ECM
P1684 Transmission Control Module Power Up Temperature Sensor Performance
P1685 Transmission Control Module Power Up Temperature Sensor Circuit Low Voltage
P1686 Transmission Control Module Power Up Temperature Sensor Circuit High Voltage
P1687 Fuel injector control module (FICM) -stuck on ECM, FICM
P1689 Traction control system (TCS), delivered torque signal -malfunction Wiring, poor connections, ECM
P1690 Engine Control Module Loop Overrun
P1691 Coolant Gauge Circuit Conditions
P1692 Coolant Gauge Circuit High Voltage
P1693 Tachometer Circuit Conditions
P1694 Tachometer Circuit High Voltage
P1695 Remote Keyless Entry Circuit Low Input Conditions
P1696 Remote Keyless Entry Circuit High Input Conditions
P16F3 Engine control module (ECM) -malfunction ECM
P1700 – P1799 (Transmission)
P1700 Transmission control module (TCM) -MIL request circuit malfunction OBO II TCM trouble codes stored
P1701 Transmission MIL Request Circuit
P1705 Park Neutral Output Circuit Conditions
P1713 Transmission Fluid Pressure Sensor/Switch
P1719 Transmission control module (TCM) -detects excessive variation between transmission input/output shaft speed sensors Transmission fluid level, line pressure, stuck/sticking SS
P1740 Cruise control system, overdrive disable signal -voltage low Wiring short to ground, ECM
P1743 Throttle Position Invalid Signal
P1760 Transaxle Control Module Supply Voltage Interrupted
P1779 Engine control module (ECM), torque reduction signal via controller area network (CAN) data bus -out of range Wiring, TCM, ECM
P1780 Engine control module (ECM), controller area network (CAN) data bus -lost communication with transmission control module (TCM) Wiring, ECM
P1781 Engine control module (ECM), torque reduction signal -out of range Wiring, TCM, ECM
P1790 Transmission Control Module Checksum
P1791 Engine control module (ECM), accelerator pedal position (APP) sensor signal via controller area network (CAN) data bus -out of range Wiring, APP sensor, TCM, ECM
P1792 Engine control module (ECM), engine coolant temperature (ECT) sensor signal via controller area network (CAN) data bus -out of range Wiring, ECT, TCM, ECM
P1793 Transmission Control Module Stack Overrun
P1795 Throttle Body Position
P1800 – P1899 (Transmission)
P1800 ECM to TCM Engine Coolant Signal
P1801 Performance Selector Switch Failure
P1804 Ground Control Relay
P1810 Transmission fluid pressure (TFP) switch manual valve position Fluid level low, wiring, selector lever linkage incorrectly adjusted, ECMITCM
P1811 Shift time too long -adaptation limit reached Fluid level low, transmission mechanical fault
P1812 Transmission Fluid Overtemperature
P1813 Torque Control Solenoid Malfunction
P1814 Torque converter clutch (TCC) -over-stressed Fluid level low, fluid condition, transmission mechanical fault
P1815 A/T Range Sensor Circuit Malfunction
P1816 Transmission fluid pressure (TFP) switch -invalidgear selection Wiring, selector lever linkage incorrectly adjusted, TFP switch, ECMITCM
P1818 Transmission fluid pressure (TFP) switch -invalidgear selection Wiring, selector lever linkage incorrectly adjusted, TFP switch, ECMITCM
P1819 Transmission range (TR) switch, signals ‘AlBIC &P’ -signal variation Wiring, TR switch
P1820 Transmission range (TR) switch, signal ‘A’ voltage low Wiring short to ground, TR switch
P1822 Transmission range (TR) switch, signal ‘B’ voltage high Wiring, TR switch
P1823 Transmission range (TR) switch, signal ‘P’ voltagelow Wiring short to ground, TR switch
P1824 Internal Mode Switch ‘P’ Circuit High Voltage
P1825 Transmission range (TR) switch, signals ‘AlBIC &P’ incorrect signal Wiring, TR switch
P1826 Transmission range (TR) switch, signal ‘C’ voltage high Wiring, TR switch
P1831 PC Solenoid Power Circuit Low Voltage
P1833 A/T Solenoids Power Circuit Low Voltage
P1835 Kick-Down Switch Circuit
P1836 Kick-Down Switch Failed Open
P1837 Kick-Down Switch Failed Short
P1838 Internal Mode Switch ‘A’ Circuit High Voltage
P1839 Internal Mode Switch ‘C’ Circuit Low Voltage
P1840 Internal Mode Switch ‘S’ Circuit Low Voltage
P1841 Internal Mode Switch ‘S’ Circuit High Voltage
P1842 1-2 Shift Solenoid Circuit Low Input Voltage
P1843 1-2 Shift Solenoid Circuit High Input Voltage
P1844 Transmission Fluid Pressure Sensor/Switch ‘A’ Circuit Intermittent
P1845 2-3 Shift Solenoid Circuit Low Input Voltage
P1847 2-3 Shift Solenoid Circuit High Input Voltage
P1850 Brake Band Apply Solenoid Circuit
P1852 Brake Band Apply Solenoid Low Input Voltage
P1853 Brake Band Apply Solenoid High Input Voltage
P1860 Torque converter clutch (TCC) solenoid -circuit malfunction Wiring open circuit/short circuit to ground, TCCsolenoid, ECM
P1864 Torque Converter Clutch Enable Solenoid Electrical Fault Conditions
P1868 Transmission fluid life Replace transmission fluid and filter
P1870 Torque converter clutch (TCC) -slip speed excessive Transmission fluid level, wiring, TCC solenoid,ECM
P1873 Torque Converter Clutch Stator Temperature Switch Circuit Low
P1874 Torque Converter Clutch Stator Temperature Switch Circuit High
P1875 Transmission, 4WD low selection signal-circuit malfunction Wiring, transmission, four wheel drive control module, ECM
P1884 TCC Enable/Shift Light Circuit
P1886 Transaxle Shift Timing Solenoid Performance
P1887 Torque converter clutch (TCC) solenoid release switch -circuit malfunction Wiring open circuit, TCC solenoid release switch,ECMITCM
P1890 Throttle Position Signal Input
P1891 Throttle Position Sensor PWM Signal Low
P1892 Throttle Position Sensor PWM Signal High
P1893 Engine Torque Signal Low Voltage
P1894 Engine Torque Signal High Voltage
P1895 Engine Torque Delivered Circuit
P1900 – P1999 (Transmission)
P1915 Internal Mode Switch Start/Wrong Range
P3400 Cylinder cut-out system -malfunction Wiring, intake system leaking, mechanical fault,MAF sensor, MAP sensor, TP sensor, ECM
P3401 Cylinder cut-out solenoid, cylinder 1 malfunction Wiring, cylinder cut-out solenoid, mechanical fault,ECM
P3425 Cylinder cut-out solenoid, cylinder 4 malfunction Wiring, cylinder cut-out solenoid, mechanical fault, ECM
P3441 Cylinder cut-out solenoid, cylinder 6 malfunction Wiring, cylinder cut-out solenoid, mechanical fault, ECM
P3449 Cylinder cut-out solenoid, cylinder 7 malfunction Wiring, cylinder cut-out solenoid, mechanical fault, ECM
U1000 – U2000 (Manufacturer defined, common defination listed)
U1000 CAN data bus -communication malfunction Wiring, BCM, ECM, antilock brake system (ABS)/traction control system (TCS), instrumentation control module, SDM
U1016 CAN data bus, engine control module (ECM)/antilock brake system (ABS)/traction control system (TCS)/instrumentation control modulel diagnostic control module -loss of serial communication Wiring, poor connections, ECM, ABS/TCS, diagnostic control module, instrumentation control module
U1026 Transmission control module (TCM)/four wheel drive control module, CAN data buscommunication malfunction Wiring, SCM
U1040 Antilock brake system (ABS)/traction control system (TCS), CAN data bus -communication malfunction Wiring, ABS/TCS trouble codes stored
U1041 Antilock brake system (ABS)/traction control system (TCS), CAN data bus -communication malfunction Wiring, ABSITCS trouble codes stored
U1064 . Body control module (BCM), CAN data bus -communication malfunction Wiring, BCM
U1192 Engine control module (ECM)/immobilizer control module, CAN data bus -Signal malfunction Wiring, immobilizer control module, ECM
U1193 Engine control module (ECM)/immobilizer control module, CAN data bus -signal malfunction Wiring, immobilizer control module, ECM
U1300 CAN data bus -signal low Wiring
U1301 CAN data bus -Signal high Wiring
U1510 Lost Communication With HVAC Control Module
U1800 Engine control module (ECM)/fuel injector control module (FICM), CAN data bus -communication malfunction Wiring, FICM, ECM
U1802 Fuel pump control module (FPCM)communication malfunction Wiring, fuel pump control module (FPCM), fuel pump control module (FPCM) relay
U2104 Engine control module (ECM)/transmissioncontrol module (TCM)/fuel injector control module (FICM), CAN data bus communication malfunction Wiring, TCM, FICM, ECM
U2106 Engine control module (ECM)/transmission control module (TCM)/fuel injector control module (FICM), CAN data bus communication malfunction Wiring, TCM, ECM, FICM

chevy dpf

Understanding Chevy Fault Codes

What Are Chevy Fault Codes?

Chevy fault codes are alphanumeric combinations that serve as a language between your vehicle’s diagnostic system and technicians. These codes provide crucial information about specific issues detected in your vehicle’s various systems.

Why Do Chevy Vehicles Have Fault Codes?

Chevrolet vehicles are equipped with onboard diagnostic (OBD) systems to monitor and diagnose various components. These systems are essential for early detection of problems, enabling timely repairs and maintenance.

Common Types of Chevy Fault Codes

Chevy fault codes can cover a wide range of issues, but they typically fall into these categories:

Engine Fault Codes

Engine-related fault codes are common and can signal issues such as misfires, sensor malfunctions, or emissions problems.

Transmission Fault Codes

Transmission fault codes may indicate problems with gears, solenoids, or fluid levels, affecting your vehicle’s shifting and overall performance.

Electrical Fault Codes

Electrical issues can trigger fault codes, potentially pointing to problems with the battery, alternator, or various electrical components.

Emission Fault Codes

Emission-related codes are essential for compliance with environmental standards, highlighting issues with the exhaust system or catalytic converter.

Interpreting Chevy Fault Codes

Understanding fault codes requires decoding the alphanumeric sequence. Letters typically indicate the system or component involved, while numbers provide specific details about the issue. Professional diagnostic tools or a knowledgeable technician can help decipher these codes accurately.

Troubleshooting Chevy Fault Codes

DIY Troubleshooting Tips

For minor issues, you can attempt some DIY troubleshooting, such as checking for loose connections, ensuring the gas cap is tightly sealed, or verifying that the battery terminals are clean and secure.

When to Seek Professional Help

Complex or recurring fault codes may require the expertise of a professional mechanic. They have access to advanced diagnostic tools and can perform in-depth inspections to pinpoint and resolve issues.

Preventing Chevy Fault Codes

Prevention is often the best strategy to avoid Chevy fault codes. Regular maintenance can go a long way in keeping your Chevy running smoothly.

Regular Maintenance for Chevy Vehicles

Importance of Oil Changes

Regular oil changes are crucial to maintaining the health of your engine. Fresh, clean oil ensures proper lubrication and reduces the risk of engine-related fault codes.

Keeping the Electrical System in Check

Regularly inspecting and maintaining your vehicle’s electrical system can prevent electrical fault codes. Ensure the battery, alternator, and wiring are in good condition.

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Unleash Efficiency: The 30 Min DPF Clean Advantage

Navigating the intricacies of heavy machinery can be a formidable challenge, especially when grappling with the complexities of fault codes on your Chevy equipment. But fear not! A shining beacon of hope awaits you, and it’s called 30 Min DPF Clean. We offer unparalleled Diesel Particulate Filter (DPF) cleaning services spanning across New Jersey, Philadelphia, and Delaware, setting us apart from the competition. Curious about why you should choose us to ensure the seamless operation of your machinery? Let’s delve into the answer.

30 Min DPF Clean: Your All-in-One Solution

What truly sets 30 Min DPF Clean apart is our holistic approach to machinery maintenance. We don’t confine ourselves to mere DPF cleaning; we specialize in a comprehensive range of services, including Exhaust Gas Recirculation (EGR), Selective Catalytic Reduction (SCR), Diesel Oxidation Catalyst (DOC), and Catalytic Converter cleaning. By harnessing state-of-the-art technology, we guarantee that your machinery operates seamlessly, effectively minimizing those troublesome fault codes.

Quality Cleaning for Peak Performance

At 30 Min DPF Clean, we understand that a clean machine is a happy machine. That’s why we go the extra mile to eradicate ash, soot, and other residues from your diesel engines. Our exceptional DPF Cleaning service ensures the peak performance of your machinery, offering you peace of mind while keeping those fault codes at bay.

Competitive Prices, Exceptional Service

In the grand scheme of things, 30 Min DPF Clean provides top-tier service without straining your budget. Our competitive pricing model, combined with our outstanding DPF cleaning services, positions us as the logical choice for those seeking to extend the lifespan of their Chevy machinery. So, the next time your equipment starts communicating through fault codes, consider reaching out to 30 Min DPF Clean. Our skilled technicians excel in handling various issues, assisting you in deciphering the Chevy Fault Codes List and promptly getting your machinery back on track. Remember, in machinery maintenance, it’s not merely about fixing problems—it’s about preventing them. And 30 Min DPF Clean stands as your reliable partner on that journey.

Conclusion

Chevy fault codes may seem daunting, but with the right knowledge and resources, you can address them effectively. Timely diagnosis and repairs will keep your Chevy performing at its best.

Frequently Asked Questions (FAQs)

What do Chevy fault codes mean?

Chevy fault codes are alphanumeric combinations that provide information about specific issues detected in your vehicle’s systems.

Can I continue driving with a fault code?

Whether it’s safe to drive with a fault code depends on the severity of the issue. Some codes indicate minor problems, while others may signal significant concerns. It’s advisable to address fault codes promptly to prevent further damage.

How do I clear Chevy fault codes?

Clearing fault codes is possible, but it’s essential to address the underlying problem first. Clearing codes without fixing the issue will likely result in the code reappearing.

Are fault codes the same for all Chevy models?

While some fault codes may be consistent across Chevy models, others are specific to certain vehicle types or systems. Always refer to your vehicle’s manual or consult a professional for accurate code interpretation.

How often should I check for fault codes on my Chevy?

Regularly checking for fault codes during routine maintenance is a proactive approach. However, if your “Check Engine” light illuminates, it’s essential to have the codes checked immediately to prevent potential issues from worsening.

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For more information on Chevy equipment and related services, visit the official Chevy website.