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Diagnostic Trouble Code Identification

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC/Type (1) Component/System Most Likely Cause
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
P1546P1546  /D A/C Clutch Output Circuit Malfunction Open/Short, A/C Clutch Relay Or PCM
P1627P1627  /A PCM A/D Conversion Malfunction Open/Short Or PCM
P1635P1635  /A 5 Volt Reference Voltage Circuit Malfunction Open/Short Or PCM2
P1640P1640  /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.