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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE (DTC) DEFINITIONS

DTC Description
P0100 (1) Mass Airflow (MAF) Sensor Circuit
P0101 (1) Mass Airflow (MAF) Sensor Circuit Range/Performance Problem
P0110  Intake Air Temperature (IAT) Sensor Circuit
P0115  Engine Coolant Temperature (ECT) Sensor Circuit Fault
P0116 (1) Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance Problem
P0120  Throttle Position (TP) Sensor Circuit Malfunction
P0121 (1) Throttle Position (TP) Sensor Circuit Range/Performance Fault
P0125  Insufficient Coolant Temperature For Closed Loop Fuel Control
P0130 (1) (2) Heated Oxygen Circuit (Sensor No. 1)
P0133 (1) (2) Heated Oxygen Sensor Circuit (Sensor No. 1) Slow Response
P0135 (1) Heated Oxygen Sensor Heater Circuit
P0136 (1) (2) Heated Oxygen Sensor Circuit (Sensor No. 2)
P0141 (1) Heated Oxygen Sensor Heater Circuit
P0150 (1) Heated Oxygen Circuit (Sensor No. 1)
P0153 (1) Heated Oxygen Sensor Circuit (Sensor No. 1) Slow Response
P0155 (1) Heated Oxygen Sensor Heater Circuit
P0156 (1) Heated Oxygen Sensor Circuit (Sensor No. 2)
P0161 (1) Heated Oxygen Sensor Heater Circuit
P0171 (1) System Too Lean (Fuel Trim)
P0172 (1) System Too Rich (Fuel Trim)
P0300  Random Misfire Detected
P0301 (1) Cylinder No. 1 Misfire Detected
P0302 (1) Cylinder No. 2 Misfire Detected
P0303 (1) Cylinder No. 3 Misfire Detected
P0304 (1) Cylinder No. 4 Misfire Detected
P0305 (1) Cylinder No. 5 Misfire Detected
P0306 (1) Cylinder No. 6 Misfire Detected
P0307 (1) Cylinder No. 7 Misfire Detected
P0308 (1) Cylinder No. 8 Misfire Detected
P0325  Knock Sensor No. 1 Circuit
P0330 (1) Knock Sensor No. 2 Circuit
P0335 (1) Crankshaft Position (CKP) Sensor "A" Circuit
P0340 (1) Camshaft Position (CMP) Sensor Circuit
P0420 (1) Catalyst System Efficiency Below Threshold
P0430 (1) Catalyst System Efficiency Below Threshold
P0440 (1) Evaporative Emission Control System Malfunction
P0441 (1) Incorrect EVAP Purge Flow
P0446 (1) EVAP Vent Control Malfunction
P0450  EVAP Pressure Sensor Fault
P0451  EVAP Pressure Sensor Range/Performance
P0500 (1) Vehicle Speed Sensor Malfunction
P0505 (1) Idle Air Control (IAC) System Malfunction
P1120  Accelerator Pedal Position (APP) Sensor Circuit Fault
P1121  Accelerator Pedal Position (APP) Sensor Range/Performance Fault
P1125  Throttle Control Motor Circuit Malfunction
P1126  Magnetic Clutch Circuit Malfunction
P1127  Electronic Throttle Control System Actuator Power Source Circuit Fault
P1128  Throttle Control Motor Lock Malfunction
P1129  Electronic Throttle Control System Fault
P1200 (1) Fuel Pump Relay/ECU Circuit Fault
P1300  Ignitor Circuit Malfunction
P1305  Ignitor Circuit Malfunction
P1310  Ignitor Circuit Malfunction
P1315  Ignitor Circuit Malfunction
P1320  Ignitor Circuit Malfunction
P1325  Ignitor Circuit Malfunction
P1330  Ignitor Circuit Malfunction
P1335  Crankshaft Position (CKP) Sensor "A" Circuit
P1340  Ignitor Circuit Malfunction
P1520 (1) Stoplight Switch Signal Malfunction (A/T Only)
P1600  ECM BATT Malfunction
P1633  ECM Malfunction (Electronic Throttle Control System Circuit)
P1780 (1) Park/Neutral Position (PNP) Switch
(1) Two-trip detection logic code. For more information, see TWO-TRIP DETECTION LOGIC in TESTS W/CODES - INTRODUCTION.
(2) Some models are equipped with non-heated oxygen sensors.