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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Type(1) Component/System Most Likely Cause
P0106  A 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 HO2S Sensor Or Exhaust System
P0134  A Bank 1 Primary HO2S Insufficient Activity Poor Connections, HO2S Sensor Or PCM
P0137  A Bank 1 Secondary HO2S Circuit Low Voltage Short, HO2S Or PCM
P0138  A Bank 1 Secondary HO2S Circuit High Voltage Open, HO2S Or PCM
P0140  A Bank 1 Secondary HO2S Ckt. Insufficient Activity Short In Circuit, HO2S Or PCM
P0141  B Bank 1 Secondary HO2S Circuit Malfunction Open/Short In Heater Circuit Or PCM
P0171  B Bank 1 System Too Lean Fuel Supply/Contamination, Primary HO2S, MAP, Leaking Exhaust Or Valve Clearance
P0172  B Bank 1 System Too Rich Fuel Supply, Primary HO2S, MAP Sensor, Fuel Contamination Or Valve Clearance
P0300  B Random Misfire Detected Ignition System, Fuel Supply, MAP Sensor, EGR System, IAC Valve Or Contaminated Fuel
P0301  B Cylinder No. 1 Misfire Detected Miscellaneous
P0302  B Cylinder No. 2 Misfire Detected Miscellaneous
P0303  B Cylinder No. 3 Misfire Detected Miscellaneous
P0304  B Cylinder No. 4 Misfire Detected Miscellaneous
P0325  A Knock Sensor (KS) Circuit Malfunction PCM
P0335  A Crankshaft Position (CKP) Sensor Circuit Malfunction CKP Sensor, Circuit Or PCM
P0341  A CKP Circuit Performance Open/Short, CKP Sensor, Faulty Or
P0342  ..... CKP Circuit Performance Missing CKP Magnet OR PCM
P0401  A CKP Sensor Low Frequency CKP Sensor/Magnet Or PCM
P0420  A Insufficient EGR Flow Detected EGR Valve Or Line
P0440  A Bank 1 Catalyst System Efficiency Below Threshold Catalytic Converter Or Secondary HO2S
P0442  A EVAP System Canister Purge Valve, Vent Solenoid Or Hoses
P0446  A EVAP Small Leak Detected Vent Solenoid, Fuel Cap Or Lines
P0460  A EVAP Canister Vent Blocked Vent Solenoid Or Canister
P0502  D EVAP Fuel Level Sensor Circuit Miscellaneous
P0506  A VSS Circuit Low Frequency Open/Short, VSS Or PCM
P0507  B Idle Control System Low RPM IAC Valve Or PCM
P0530  B Idle Control System High RPM IAC Valve Or PCM
P0562  D A/C Refrigerant Pressure Sensor Circuit Open, A/C Refrigerant Pressure Sensor Or PCM
P0563  D System Voltage Low Open Or PCM
P0600  D System Voltage High PCM
P0601  A Loss Of Serial Communication Link PCM
P0602  A Powertrain Control module (PCM) Memory Check Sum Error PCM
  D PCM Not Programmed PCM
P0700(2) D Automatic Transaxle Miscellaneous
P0705(2) D Transmission Range Sensor Circuit Malfunction Miscellaneous
P0706(2) D Transmission Range Sensor Rationality Miscellaneous
P0712(2) D Transmission Fluid Temperature Low Voltage Miscellaneous
P0713(2) D Transmission Fluid Temperature High Voltage Miscellaneous
P0715(2) D Transmission Jerks Hard When Shifting (A/T) Open/Short In Mainshaft Speed Sensor Circuit
P0715(2) D Transmission Jerks Hard When Shifting (A/T) Or Faulty Mainshaft Speed Sensor
P0719(2) D Brake Switch Circuit Low Miscellaneous
P0720(2) D Lock-up Clutch Does Not Engage (A/T) Open Or Short In Countershaft Speed Sensor Circuit
P0720(2) D Lock-up Clutch Does Not Engage (A/T) Or Faulty Countershaft Speed Sensor
P0722(2) A Output Speed Sensor Circuit No Signal Miscellaneous
P0723(2) ..... Output speed Sensor Circuit Intermittent Signal Miscellaneous
P0724(2) D Brake Switch Circuit High Miscellaneous
P0730(2) C Wont Shift Between 1/2nd, 2/3rd, 2/4th. Stuck in 1st Or 4th gears (A/T) Faulty Shift Control System
P0740(2) ..... Lock-up clutch does not engage/disengage unstable Idle Speed (A/T) Faulty Lock-up Control system
P0742(2) A Torque Converter Clutch Circuit Stuck On Miscellaneous
P0748(2) C Transmission Pressure Control Solenoid Electrical Circuit Fault Miscellaneous
P0751(2) B Transmission Shift Solenoid "A" Performance Or Stuck Off (A/T Only) Miscellaneous
P0753(2) A Transmission Shift Solenoid "A" - Electrical Circuit Fault Open/Short In Ckt. Or Faulty Solenoid
P0756(2) B Transmission Shift Solenoid "B" Performance Stuck Off (A/T Only) Miscellaneous
P0758(2) A Transmission Shift Solenoid "B" - Electrical Circuit Fault Open/Short In Circuit Or Faulty Solenoid
P1133  B Bank 1 Primary HO2S Circuit Insufficient Switching Exhaust Leak, Short In Circuit, HO2S Or PCM
P1171  A Fuel System Lean During Acceleration Fuel Pressure,Incorrect Fuel Or Hot Fuel
P1380  A ABS DTC Detected Rough Road, Data Unusable PCM
P1381  A CPS Intermittent Interruption CYP Sensor
P1406  A Exhaust Gas Recirculation (EGR) Valve Pintle Position Circuit Open/Short, EGR Or PCM
P1441  B EVAP System Flow During Non-Purge Short, PCM, EVAP Purge Solenoid Or EVAP Vacuum Switch
P1705(2) ..... (3) Short In A/T Gear Position Switch Wire Or Faulty A/T Gear Position Switch
P1706(2) ..... (4) Open A/T Gear Position Switch Circuit Or Faulty A/T Gear Position Switch
P1753(2) ..... Lock-Up Clutch Does Not Engage Or Disengage. Unstable Idle (A/T) Open/Short In Lock-Up Control Solenoid
P1753(2) ..... Lock-up Clutch Wont Engage/Disengage. Unstable Idle (A/T) Valve "A" Circuit Or Faulty Solenoid
P1758(2) ..... Lock-up Clutch Does Not Engage (A/T) Open/Short In Lock-up Control Solenoid
P1758(2) ..... Lock-up Clutch Does Not Engage (A/T) Valve "B" Circuit Or Faulty Solenoid
P1860(2) A TCC PWM Solenoid Circuit Fault Miscellaneous
P1870(2) A Transmission Component Slipping Miscellaneous
(1) See Trip Detection Logic for Type Definitions.
(2) See appropriate ELECTRONIC CONTROLS article in the AUTOMATIC TRANSMISSIONS section.
(3) Only Shifts In 2nd and 4th Gears. Lock-up Clutch Does Not Engage (A/T).
(4) Only Shifts In 2nd And 4th Gears. Lock-up Clutch Does Not Engage Or Engages and Disengages Alternately (A/T).
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