Diagnostic Trouble Code Definitions
NOTE:
Use of Tech 1 or Tech 2 scan tool is required to retrieve DTCs. Refer to user reference manual supplied with scan tool.
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| DTC | (1) Description | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| P0101 | MAF Sensor Performance | ||||||||
| P0102 | MAF Sensor Circuit - Low Frequency | ||||||||
| P0103 | MAF Sensor Circuit - High Frequency | ||||||||
| P0106 (2) | MAP System Performance | ||||||||
| P0107 | MAP Sensor Circuit - Low Voltage | ||||||||
| P0108 | MAP Sensor Circuit - High Voltage | ||||||||
| P0112 | IAT Sensor Circuit - Low Voltage | ||||||||
| P0113 | IAT Sensor Circuit - High Voltage | ||||||||
| P0117 | ECT Sensor Circuit - Low Voltage | ||||||||
| P0118 | ECT Sensor Circuit - High Voltage | ||||||||
| P0121 | TP Sensor Performance TP Sensor - Insufficient Activity |
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| P0122 | TP Sensor Circuit - Low Voltage | ||||||||
| P0123 | TP Sensor Circuit - High Voltage | ||||||||
| P0125 | Excess Time To Enter Closed Loop Fuel Control | ||||||||
| P0131 | O2S/HO2S Circuit - Low Voltage - Sensor 1 HO2S Circuit - Low Voltage - Bank 1, Sensor 1 |
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| P0132 | O2S/HO2S Circuit - High Voltage - Sensor 1 HO2S Circuit - High Voltage - Bank 1, Sensor 1 |
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| P0133 | O2S/HO2S Circuit - Slow Response - Sensor 1 HO2S Circuit - Slow Response - Bank 1, Sensor 1 |
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| P0134 | O2S/HO2S Circuit - Insufficient Activity - Sensor 1 HO2S Circuit - Insufficient Activity - Bank 1, Sensor 1 |
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| P0135 | HO2S Heater Circuit - Sensor 1 HO2S Heater Circuit - Bank 1, Sensor 1 |
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| P0137 | HO2S Circuit - Low Voltage - Sensor 2 HO2S Circuit - Low Voltage - Bank 1, Sensor 2 |
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| P0138 (4.3L) | HO2S Circuit - High Voltage - Sensor 2 HO2S Circuit - High Voltage Bank 1, Sensor 2 |
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| P0138 (Except 4.3L) | HO2S Circuit - High Voltage - Sensor 2 HO2S Circuit - High Voltage Bank 1, Sensor 2 |
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| P0140 | HO2S Circuit - Insufficient Activity - Sensor 2 HO2S Circuit - Insufficient Activity - Bank 1, Sensor 2 |
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| P0141 | HO2S Heater Circuit - Sensor 2 HO2S Heater Circuit - Bank 1, Sensor 2 |
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| P0143 (2) | HO2S Circuit - Low Voltage - Bank 1, Sensor 3 | ||||||||
| P0144 (2) | HO2S Circuit - High Voltage - Bank 1, Sensor 3 | ||||||||
| P0146 (2) | HO2S Circuit - Insufficient Activity - Bank 1, Sensor 3 | ||||||||
| P0147 (2) | HO2S Heater Circuit - Bank 1, Sensor 3 | ||||||||
| P0151 | HO2S Circuit - Low Voltage - Bank 2, Sensor 1 | ||||||||
| P0152 | HO2S Circuit - High Voltage - Bank 2, Sensor 1 | ||||||||
| P0153 | HO2S Circuit - Slow Response - Bank 2, Sensor 1 | ||||||||
| P0154 | HO2S Circuit - Insufficient Activity - Bank 2, Sensor 1 | ||||||||
| P0155 | HO2S Heater Circuit - Bank 2, Sensor 1 | ||||||||
| P0157 | HO2S Circuit - Low Voltage - Bank 2, Sensor 2 | ||||||||
| P0158 | HO2S Circuit - High Voltage - Bank 2, Sensor 2 | ||||||||
| P0160 | HO2S Circuit - Insufficient Activity - Bank 2, Sensor 2 | ||||||||
| P0161 | HO2S Heater Circuit - Bank 2, Sensor 2 | ||||||||
| P0171 | Fuel Trim System Lean Fuel Trim System Lean - Bank 1 |
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| P0172 | Fuel Trim System Rich Fuel Trim System Rich - Bank 1 |
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| P0174 | Fuel Trim System Lean - Bank 2 | ||||||||
| P0175 | Fuel Trim System Rich - Bank 2 | ||||||||
| P0300 | Engine Misfire Detected | ||||||||
| P0325 | Knock Sensor Circuit/System Knock Sensor Module Circuit |
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| P0327 | Knock Sensor No. 1 Circuit Knock Sensor Circuit - Front Knock Sensor Noise Channel - Low Voltage |
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| P0336 | 24X Reference Signal Circuit CKP Sensor Circuit Performance |
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| P0337 | CKP Sensor Circuit - Low Frequency | ||||||||
| P0338 | CKP Sensor Circuit - High Frequency | ||||||||
| P0339 | CKP Sensor Circuit Intermittent | ||||||||
| P0340 | CMP Sensor Circuit | ||||||||
| P0341 | CMP Sensor Circuit Performance | ||||||||
| P0401 | EGR System Flow Insufficient | ||||||||
| P0404 | EGR Valve Open Pintle Position EGR System Performance |
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| P0405 | EGR Sensor Circuit - Low Voltage EGR Pintle Position Circuit - Low Voltage |
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| P0410 (4.3L) | AIR System | ||||||||
| P0410 (5.7L & 7.4L) | AIR System | ||||||||
| P0420 | TWC System - Low Efficiency TWC System - Low Efficiency - Bank 1 TWC System - Low Efficiency - Bank 1, Sensor 2 Or 3 |
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| P0430 | TWC System - Low Efficiency - Bank 2 | ||||||||
| P0440 | EVAP System | ||||||||
| P0442 | EVAP Control System - Small Leak Detected | ||||||||
| P0446 | EVAP Canister Vent Blocked EVAP Vent Valve Performance |
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| P0452 | Fuel Tank Pressure Sensor - Low Voltage | ||||||||
| P0453 | Fuel Tank Pressure Sensor - High Voltage | ||||||||
| P0461 | Fuel Level Sensor Circuit Performance | ||||||||
| P0462 | Fuel Level Sensor Circuit - Low Voltage | ||||||||
| P0463 | Fuel Level Sensor Circuit - High Voltage | ||||||||
| P0500 | Vehicle Speed Sensor Circuit | ||||||||
| P0506 | Idle Speed Low IAC System - RPM Low Idle Control System - Low RPM |
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| P0507 | Idle Speed High IAC System - RPM High Idle Control System - High RPM |
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| P0601 | VCM Memory | ||||||||
| P0602 | VCM Not Programmed | ||||||||
| P0603 | VCM Memory Reset | ||||||||
| P0604 | VCM Random Access Memory Performance | ||||||||
| P0605 | VCM Read Only Memory | ||||||||
| P0704 (3) | Clutch Switch Circuit | ||||||||
| P1106 (4.3L) | MAP Sensor Circuit - Intermittent High Voltage | ||||||||
| P1106 (Except 4.3L) | MAP Sensor Circuit - Intermittent High Voltage | ||||||||
| P1107 (4.3L) | MAP Sensor Circuit - Intermittent Low Voltage | ||||||||
| P1107 (Except 4.3L) | MAP Sensor Circuit - Intermittent Low Voltage | ||||||||
| P1111 | IAT Sensor Circuit - Intermittent High Voltage | ||||||||
| P1112 (4.3L) | IAT Sensor Circuit - Intermittent Low Voltage | ||||||||
| P1112 (Except 4.3L) | IAT Sensor Circuit - Intermittent Low Voltage | ||||||||
| P1114 (4.3L) | ECT Sensor Circuit - Intermittent Low Voltage | ||||||||
| P1114 (Except 4.3L) | ECT Sensor Circuit - Intermittent Low Voltage | ||||||||
| P1115 (4.3L) | ECT Sensor Circuit - Intermittent High Voltage | ||||||||
| P1115 (Except 4.3L) | ECT Sensor Circuit - Intermittent High Voltage | ||||||||
| P1121 (4.3L) | TP Sensor Circuit - Intermittent High Voltage | ||||||||
| P1121 (Except 4.3L) | TP Sensor Circuit - Intermittent High Voltage | ||||||||
| P1122 (4.3L) | TP Sensor Circuit - Intermittent Low Voltage | ||||||||
| P1122 (Except 4.3L) | TP Sensor Circuit - Intermittent Low Voltage | ||||||||
| P1133 (4.3L) | O2S/HO2S Circuit - Insufficient Switching - Sensor 1 HO2S Circuit - Insufficient Switching - Bank 1, Sensor 1 |
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| P1133 (Except 4.3L) | O2S/HO2S Circuit - Insufficient Switching - Sensor 1 HO2S Circuit - Insufficient Switching - Bank 1, Sensor 1 |
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| P1134 | HO2S Transition Time Ratio - Sensor 1 HO2S Transition Time Ratio - Bank 1, Sensor 1 |
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| P1153 (4.3L) | HO2S Circuit - Insufficient Switching - Bank 2, Sensor 1 | ||||||||
| P1153 (Except 4.3L) | HO2S Circuit - Insufficient Switching - Bank 2, Sensor 1 | ||||||||
| P1154 | HO2S Transition Time Ratio - Bank 2, Sensor 1 | ||||||||
| P1201 (4) | Gas Mass Sensor Circuit - Range Performance | ||||||||
| P1202 (4) | Gas Mass Sensor Circuit - Low Frequency | ||||||||
| P1203 (4) | Gas Mass Sensor Circuit - High Frequency | ||||||||
| P1215 (4) | Quad Driver Output | ||||||||
| P1336 (4.3L) | CKP System Variation Not Learned | ||||||||
| P1336 (Except 4.3L) | CKP System Variation Not Learned | ||||||||
| P1345 (4.3L) | CKP/CMP Sensor Correlation | ||||||||
| P1345 (Except 4.3L) | CKP/CMP Sensor Correlation | ||||||||
| P1351 (4.3L) | IC Circuit - High Voltage | ||||||||
| P1351 (Except 4.3L) | IC Circuit - High Voltage | ||||||||
| P1361 (4.3L) | IC Circuit Not Toggling IC Circuit - Low Voltage |
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| P1361 (Except 4.3L) | IC Circuit Not Toggling IC Circuit - Low Voltage |
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| P1380 (4.3L) | ABS/EBCM/EBTCM DTC Rough Road Data Unstable | ||||||||
| P1380 (Except 4.3L) | ABS/EBCM/EBTCM DTC Rough Road Data Unstable | ||||||||
| P1381 (4.3L) | Misfire Detected - No EBCM/VCM Serial Data | ||||||||
| P1381 (Except 4.3L) | Misfire Detected - No EBCM/VCM Serial Data | ||||||||
| P1404 | EGR Valve Closed Pintle Position EGR Valve Pintle Stuck Open |
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| P1415 (4.3L) | AIR System - Bank 1 | ||||||||
| P1415 (5.7L & 7.4L) | AIR System - Bank 1 | ||||||||
| P1416 (4.3L) | AIR System - Bank 2 | ||||||||
| P1416 (5.7L & 7.4L) | AIR System - Bank 2 | ||||||||
| P1432 (4) | Fuel Pressure Sensor Circuit - Low Voltage | ||||||||
| P1433 (4) | Fuel Pressure Sensor Circuit - High Voltage | ||||||||
| P1441 (4.3L) | EVAP System Flow During Non-Purge | ||||||||
| P1441 (Except 4.3L) | EVAP System Flow During Non-Purge | ||||||||
| P1508 (4.3L) | IAC System - Low RPM | ||||||||
| P1508 (Except 4.3L) | IAC System - Low RPM | ||||||||
| P1509 (4.3L) | IAC System - High RPM | ||||||||
| P1509 (Except 4.3L) | IAC System - High RPM | ||||||||
| P1621 (4.3L) | VCM Memory Performance VCM EEPROM Performance |
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| P1621 (Except 4.3L) | VCM Memory Performance VCM EEPROM Performance |
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| P1626 | Theft Deterrent System Fuel Enable Circuit Loss Of Serial Communication W/VTD |
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| P1631 (4.3L & 7.4L) | Theft Deterrent System Password Incorrect | ||||||||
| U1026 | Loss Of ATC Class 2 Communication | ||||||||
| U1041 | Loss Of EBCM Communication | ||||||||
| U1192 | Loss Of EVO/VTD Passlock® Communication | ||||||||
| U1193 | Loss Of VIM Communication | ||||||||
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