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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC (1) Description
P0031  Oxygen Sensor Heater Control Circuit Low (B1, S1)
P0032  Oxygen Sensor Heater Control Circuit High (B1, S1)
P0037 (2) Oxygen Sensor Heater Control Circuit Low (B1, S2)
P0038 (2) Oxygen Sensor Heater Control Circuit High (B1, S2)
P0100 (2) Mass Airflow Meter Circuit
P0101  Mass Airflow Meter Circuit Range/Performance
P0102 (2) Mass Airflow Meter Circuit Low Input
P0103 (2) Mass Airflow Meter Circuit High Input
P0110 (2) Intake Air Temperature Sensor Circuit
P0112 (2) Intake Air Temperature Sensor Circuit Low Input
P0113 (2) Intake Air Temperature Sensor Circuit High Input
P0115 (2) Engine Coolant Temperature Sensor Circuit
P0116  Engine Coolant Temperature Sensor Circuit Range/Performance
P0117 (2) Engine Coolant Temperature Sensor Circuit Low Input
P0118 (2) Engine Coolant Temperature Sensor Circuit High Input
P0120 (2) Throttle/Pedal Position Sensor/Switch "A" Circuit
P0121  Throttle Pedal Position Sensor/Switch "A" Circuit Range/Performance
P0122  Throttle Pedal Position Sensor/Switch "A" Circuit Low Input
P0123  Throttle Pedal Position Sensor/Switch "A" Circuit High Input
P0125  Insufficient Coolant Temperature For Closed Loop Fuel Control
P0128  Thermostat Malfunction
P0134  Oxygen (A/F) Sensor Circuit No Activity Detected (B1 S1)
P0136  Oxygen Sensor Malfunction (B! S2)
P0171  System Too Lean
P0172  System Too Rich
P0220  Throttle Pedal Position Sensor/Switch "B" Circuit
P0222  Throttle Pedal Position Sensor/Switch "B" Circuit Low Input
P0223  Throttle Pedal Position Sensor/Switch "B" Circuit High Input
P0300 (4) Random/Multiple Cylinder Misfire Detected
P0301 (4) Cylinder No. 1 Misfire Detected
P0302 (4) Cylinder No. 2 Misfire Detected
P0303 (4) Cylinder No. 3 Misfire Detected
P0304 (4) Cylinder No. 4 Misfire Detected
P0305 (4) Cylinder No. 5 Misfire Detected
P0306 (4) Cylinder No. 6 Misfire Detected
P0325 (2) Knock Sensor "1" Circuit (Bank 1 Or Single Sensor)
P0327 (2) Knock Sensor "1" Circuit Low Input (Bank 1 Or Single Sensor)
P0328 (2) Knock Sensor "1" Circuit High Input (Bank 1 Or Single Sensor)
P0330 (2) Knock Sensor "2" Circuit (Bank 2)
P0332 (2) Knock Sensor "2" Circuit Low Input (Bank 2)
P0333 (2) Knock Sensor "2" Circuit High Input (Bank 2)
P0335  Crankshaft Position Sensor "A"Circuit
P0339 (5) Crankshaft Position Sensor "A" Circuit Intermittent
P0340  Camshaft Position Sensor "A"Circuit (Bank 1 Or Single Sensor)
P0341  Camshaft Position Sensor "A"Circuit Range/Performance (Bank 1 Or Single Sensor)
P0351 (2) Ignition Coil "A" Primary/Secondary Circuit
P0420  Catalyst System Efficiency Below Threshold
P0441  Evaporative Emission Control System Incorrect Purge Flow
P0442  Evaporative Emission Control System Leak Detected (Small Leak)
P0446  Evaporative Emission Control System Vent Control Circuit
P0451  Evaporative Emission Control System Pressure Sensor/Switch Range/Performance
P0452  Evaporative Emission Control System Pressure Sensor/Switch Low Input
P0453  Evaporative Emission Control System Pressure Sensor/Switch High Input
P0456  Evaporative Emission Control System Leak Detected (Very Small Leak)
P0500  Vehicle Speed Sensor "A"
P0560  System Voltage
P0571  Brake Switch "A" Circuit
P0604  Internal Control Module RAM Error
P0606  Engine Control Module Processor
P0607  Control Module Performance
P0617  Starter Relay Circuit High
P0657  Actuator Supply Voltage Circuit Open
P0705 (3) Transmission Range Sensor Circuit Malfunction (PRNDL Input)
P0724  Brake Switch "B" Circuit High
P0850 (3) Park/Neutral Position Switch Input Circuit Low
P1126  Magnetic Clutch Circuit
P2102  Throttle Actuator Control Motor Circuit Low Input
P2103  Throttle Actuator Control Motor Circuit High Input
P2111  Throttle Actuator Control System Stuck Open
P2112  Throttle Actuator Control System Stuck Closed
P2118  Throttle Actuator Control Motor Current Range/Performance Problem
P2119  Throttle Actuator Control
Throttle Body Range/Performance Problem
P2120  Throttle Pedal Position Sensor/Switch "D" Circuit Malfunction
P2121  Throttle Pedal Position Sensor/Switch "D" Circuit Range/Performance Problem
P2122  Throttle Pedal Position Sensor/Switch "D" Circuit Low Input
P2123  Throttle Pedal Position Sensor/Switch "D" Circuit High Input
P2125  Throttle Pedal Position Sensor/Switch "E" Circuit Malfunction
P2127  Throttle Pedal Position Sensor/Switch "E" Circuit Low Input
P2128  Throttle Pedal Position Sensor/Switch "E" Circuit High Input
P2135  Throttle Pedal Position Sensor/Switch "A/B" Voltage Correlation
P2138  Throttle Pedal Position Sensor/Switch "D/E" Voltage Correlation
P2195  Oxygen (A/F) Sensor Circuit Stuck Lean/Rich
P2196  Oxygen (A/F) Sensor Circuit Stuck Lean/Rich
P2237  Oxygen Sensor Pumping Circuit Malfunction (A/F Sensor) (B1, S1)
P2238  Oxygen Sensor Pumping Circuit/Low Malfunction (A/F Sensor) (B1, S1)
P2239  Oxygen Sensor Pumping Circuit/High Malfunction (A/F Sensor) (B1, S1)
P2A00  Air/Fuel Sensor Circuit Slow Response (B1 S1)
(1) Some DTCs are two-trip detection logic DTCs. For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this DTC is set, Engine Control Module (ECM) will enter fail-safe mode.
(3) DTC applies to electronically controlled automatic transmission. For testing procedures, see appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.
(4) MIL lights up or blinks.
(5) MIL will not illuminate.
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