| P0106 /B | MAP Sensor Circuit Range/ Performance Problem | MAP Sensor |
| P0107 /A | MAP Sensor Circuit Low Frequency | Open/Short, MAP Sensor Or PCM |
| P0108 /A | MAP Sensor Circuit High Frequency | Open, MAP Sensor Or PCM |
| P0112 /A | IAT Sensor Circuit Low Frequency | Short, IAT Sensor Or PCM |
| P0113 /A | IAT Sensor Circuit High Frequency | Open, IAT Sensor Or PCM |
| P0117 /A | ECT Sensor Circuit Low Frequency | Short, ECT Sensor Or PCM |
| P0118 /A | ECT Sensor Circuit High Frequency | Open, ECT Sensor Or PCM |
| P0121 /A | TP Sensor Circuit Range/ Performance Problem | TP Sensor Or PCM |
| P0122 /A | TP Sensor Circuit Low Frequency | Open/Short, TP Sensor Or PCM |
| P0123 /A | TP Sensor Circuit High Frequency | Open Circuit, TP Sensor Or PCM |
| P0125 /B | ECT Sensor Circuit Excessive Warm-Up Time To Closed Loop | Cooling System, ECT Or PCM |
| P0131 /A | Bank 1 Primary HO2S Circuit Low Voltage | Short, HO2S Sensor, Fuel Supply Or PCM |
| P0132 /A | Bank 1 Primary HO2S Circuit High Voltage | Open, HO2S Sensor Or PCM |
| P0133 /B | Bank 1 Primary HO2S Slow Response | Open/Short, HO2S Sensor Or PCM |
| P0134 /A | Bank 1 Primary HO2S Insufficient Activity | Poor Connections, HO2S Sensor Or PCM |
| P0135 /B | Bank 1 Primary HO2S Heater Circuit Malfunction | Open/Short Or HO2S |
| P0137 /A | Bank 1 Secondary HO2S Circuit Low Voltage | Short, HO2S Or PCM |
| P0138 /A | Bank 1 Secondary HO2S Circuit High Voltage | Open/Short, HO2S Or PCM |
| P0140 /A | Bank 1 Secondary HO2S Circuit Insufficient Activity | Open, HO2S Or PCM |
| P0141 /B | Bank 1 Secondary HO2S Circuit Malfunction | Open Or HO2S |
| P0171 /B | Bank 1 System Too Lean | Fuel Supply/Contam- ination, Primary HO2S,MAF, Leaking Exhaust Or Valve Clearance |
| P0172 /B | Bank 1 System Too Rich | Fuel Supply, Primary HO2S, MAF Sensor, Fuel, Contamination Or Valve Clearance |
| P0201 /A | Injector No. 1 Circuit Malfunction | Open/Short Or PCM |
| P0202 /A | Injector No. 2 Circuit Malfunction | Open/Short Or PCM |
| P0203 /A | Injector No. 3 Circuit Malfunction | Open/Short Or PCM |
| P0204 /A | Injector No. 4 Circuit Malfunction | Open/Short Or PCM |
| P0300 /B | Random Misfire Detected | Ignition System, Fuel Supply, MAF Sensor, EGR System, IAC Valve Or Contaminated Fuel |
| P0325 /B | Knock Sensor (KS) Circuit | PCM |
| P0327 /B | Knock Sensor (KS) Circuit Low Input | Open/Short, KS Or PCM |
| P0336 /B | Crankshaft Position (CKP) Sensor Range/Performance | CKP Sensor, Valve Timing, Timing Belt Skipped Teeth, Or PCM |
| P0337 /B | CKP Circuit Low Frequency | Open/Short, CKP Sensor Or PCM |
| P0341 /A | CMP Circuit Performance | Open/Short, CMP Sensor, Faulty Or Missing CMP Magnet OR PCM |
| P0342 /A | CMP Sensor Low Frequency | CMP Sensor/Magnet Or PCM |
| P0351 /A | Ignition Coil "A" Primary/Secondary Circuit Malfunction | Ignition Control Module (ICM) Open/Short Or PCM |
| P0352 /A | Ignition Coil "B" Primary/Secondary Circuit Malfunction | Miscellaneous |
| P0401 /A | Insufficient EGR Flow Detected | MAP Sensor, EGR Valve Or Line |
| P0402 /B | Excessive EGR Flow Detected | Open, Poor Connections, Open Or EGR Valve |
| P0404 /B | EGR Circuit Range/Performance | EGR Valve, EGR Valve Circuit Or PCM |
| P0405 /A | EGR Sensor Circuit Low | Short, EGR Valve Or PCM |
| P0406 /A | EGR Sensor Circuit High | Open/Short, EGR Valve Or PCM |
| P0420 /A | Catalyst System Efficiency Below Threshold | Catalytic Converter Or Secondary HO2S |
| P0440 /A | EVAP System | EVAP Canister, Canister Purge Valve, EVAP Vent Solenoid Or Hoses |
| P0442 /A | EVAP Small Leak Detected | Vent Solenoid, Fuel Cap Or Lines |
| P0443 /A | Evaporative Emission Control System Purge Valve Malfuntion | Open/Short, Canister Purge Control Solenoid Or PCM |
| P0446 /A | EVAP System Vent Control Circuit Malfunction | Short, EVAP Canister Vent Solenoid Or EVAP Canister |
| P0449 /A | EVAP System Vent Valve/Solenoid Circuit Malfunction | Poor Connections, Short, EVAP Vent Valve/Solenoid, EVAP Canister Or PCM |
| P0452 /D | EVAP Control System Pressure Sensor Low Input | Open Or PCM |
| P0453 /D | EVAP Control System Pressure Sensor High Input | Open/Short, Pressure Sensor Or PCM |
| P0461 /D | Fuel Level Sensor Circuit Range/Performance | Fuel Level Sensor/ Circuit Or PCM/VCM |
| P0462 /D | Fuel Level Sensor Circuit Low Input | Open/Short, Fuel Level Sensor Or PCM/VCM |
| P0463 /D | Fuel Level Sensor Circuit High Input | Fuel Level Sensor/ Circuit Or PCM/VCM |
| P0480 /D | Cooling Fan No. 1 Control Circuit Malfunction | Open/Short, Low Fan Relay Or PCM |
| P0481 /D | Cooling Fan No. 2 Control Circuit Malfunction | Open/Short, High Fan Relay Or PCM |
| P0502 /A | VSS Circuit Low Frequency | Open/Short, VSS Or PCM |
| P0506 /B | Idle Control System Low RPM | Open/Short, IAC Valve Or PCM |
| P0507 /B | Idle Control System High RPM | IAC Valve Or PCM |
| P0532 /D | A/C Refrigerant Pressure Sensor Circuit Low Input | Open/Short, A/C Refrigerant Pressure Sensor Or PCM |
| P0533 /D | A/C Refrigerant Pressure Sensor Circuit High Input | Open/Short, A/C Refrigerant Pressure Sensor Or PCM |
| P0562 /D | System Voltage Low | Open Or PCM |
| P0563 /D | System Voltage High | Generator Or PCM |
| P0601 /A | Powertrain Control module (PCM) Memory Check Sum Error | PCM |
| P0705/D (2) | Transmission Range Switch Illegal Position | Miscellaneous |
| P0706/D (2) | Transmission Range Sensor Performance | Miscellaneous |
| P0712/D (2) | Transmission Fluid Temperature Low Voltage | Miscellaneous |
| P0713/D (2) | Transmission Fluid Temperature High Voltage | Miscellaneous |
| P0719/D (2) | Brake Switch Circuit Low | Miscellaneous |
| P0722/A (2) | Output Speed Sensor Circuit No Signal | Miscellaneous |
| P0723/A (2) | Output speed Sensor Circuit Intermittent Signal | Miscellaneous |
| P0724/D (2) | Brake Switch Circuit High | Miscellaneous |
| P0730/C (2) | Incorrect Gear Ratio. Stuck In 1st Or 4th Gear (A/T) | Faulty Shift Control System |
| P0742/A (2) | Torque Converter Clutch Circuit Stuck On | Miscellaneous |
| P0748/C (2) | Transmission Pressure Control Solenoid Electrical Circuit Fault | Miscellaneous |
| P0751/B (2) | Transmission Shift Solenoid "A" Performance Or Stuck Off (A/T) | Miscellaneous |
| P0753/A (2) | Transmission Shift Solenoid "A" Electrical Circuit Fault | Open/Short Or Faulty Solenoid |
| P0756/B (2) | Transmission Shift Solenoid "B" Performance Stuck Off (A/T) | Miscellaneous |
| P0758/A (2) | Transmission Shift Solenoid "B" Electrical Circuit Fault | Open/Short Or Faulty Solenoid |
| P1106 /D | Manifold Absolute Pressure (MAP) Circuit Intermittent High Voltage | Open/Short In Circuit |
| P1107 /D | MAP/Barometric Pressure Circuit Low Voltage | Intermittent Open/ Short Or PCM |
| P1111 /D | Intake Air Temperature (IAT) Circuit Intermittent High Voltage | Poor Ground Or Open Circuit |
| P1112 /D | IAT Circuit Intermittent Low Voltage | Short In Circuit |
| P1114 /D | Engine Coolant Temperature (ECT) Circuit Intermittent Low Voltage | Intermittent Short |
| P1115 /D | ECT Circuit Intermittent High Voltage | Poor PCM Ground Or Open |
| P1121 /D | Throttle Position (TP) Circuit Intermittent High Voltage | Open/Short Or Poor Ground In Circuit |
| P1122 /D | TP Circuit Intermittent Low Voltage | Open/Short Or Poor Ground In Circuit |
| P1133 /B | Bank 1 Primary HO2S Circuit Insufficient Switching | Exhaust Leak, Short In Circuit, HO2S Or PCM |
| P1134 /B | Bank 1 Primary HO2S Circuit Transition Time Ratio | Exhaust Leak, Open/ Short In Circuit, HO2S Or PCM |
| P1171 /A | Fuel System Lean During Acceleration | Faulty Or Incorrect Fuel Pump, Plugged Strainer, Incorrect Fuel Or Hot Fuel |
| P1336 | CKP System Variation Not Learned | Miscellaneous |
| P1380 /A | ABS DTC Detected Rough Road Data Unusable | PCM |
| P1381 /A | ABS Rough Road Class 2 Serial Link Error | Open Circuit Or PCM |
| P1404 /A | EGR Valve Closed Pintle Position | EGR Valve/Circuit Or PCM |
| P1441 /B | Evaporative Emission (EVAP) System Flow During Non-Purge | Short, PCM, EVAP Purge Solenoid Or EVAP Vacuum Switch |
| P1546 P1546 /D | A/C Clutch Output Circuit Malfunction | Open/Short, A/C Clutch Relay Or PCM |
| P1627 P1627 /A | PCM A/D Conversion Malfunction | Open/Short Or PCM |
| P1635 P1635 /A | 5 Volt Reference Voltage Circuit Malfunction | Open/Short Or PCM2 |
| P1640 P1640 /D | ODM Output Circuit Fault | Open in Ignition Circuit Or PCM |
| (1) For information on Type of DTC, see TRIP DETECTION LOGIC in TESTS W/CODES - INTRODUCTION article. (2) Transmission fault. See appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS. |
