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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC ⁽¹⁾

Definition

Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 1)

Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 1)

Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)

Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)

Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 1)

Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 1)

Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2)

Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2)

Mass Or Volume Airflow Circuit

Mass Or Volume Airflow Sensor Circuit Range/Performance Fault

Mass Or Volume Airflow Circuit Low Input

Mass Or Volume Airflow Circuit High Input

Intake Air Temperature Sensor Circuit

Intake Air Temperature Circuit Low Input

Intake Air Temperature Circuit High Input

Engine Coolant Temperature Sensor Circuit

Engine Coolant Temperature Circuit Range/Performance Fault

Engine Coolant Temperature Circuit Low Input

Engine Coolant Temperature Circuit High Input

Throttle/Pedal Position Sensor/Switch "A" Circuit Malfunction

Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Fault

Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input

Throttle/Pedal Position Sensor/Switch "A" Circuit High Input

Insufficient Coolant Temperature For Closed Loop Fuel Control

Thermostat Malfunction

Oxygen Sensor Circuit (Bank 1 Sensor 1)

Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1)

Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1)

Oxygen Sensor Circuit Fault (Bank 1 Sensor 2)

Oxygen Sensor Circuit Fault (Bank 2 Sensor 1)

Oxygen Sensor Circuit Slow Response (Bank 2 Sensor 1)

Oxygen Sensor Circuit No Activity Detected (Bank 2 Sensor 1)

Oxygen Sensor Circuit Fault (Bank 2 Sensor 2)

System Too Lean (Bank 1)

System Too Rich (Bank 1)

System Too Lean (Bank 2)

System Too Rich (Bank 2)

Throttle/Pedal Position Sensor/Switch "B" Circuit

Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input

Throttle/Pedal Position Sensor/Switch "B" Circuit High Input

Fuel Pump Primary Circuit

Random/Multiple Cylinder Misfire Detected

Cylinder No. 1 Misfire Detected

Cylinder No. 2 Misfire Detected

Cylinder No. 3 Misfire Detected

Cylinder No. 4 Misfire Detected

Cylinder No. 5 Misfire Detected

Cylinder No. 6 Misfire Detected

Cylinder No. 7 Misfire Detected

Cylinder No. 8 Misfire Detected

Knock Sensor 1 Circuit (Bank 1 Or Single Sensor)

Knock Sensor 2 Circuit (Bank 2)

Crankshaft Position (CKP) Sensor "A" Circuit Fault

Crankshaft Position Sensor "A" Circuit Intermittent

Camshaft Position (CMP) Sensor Circuit (Bank 1 Or Single Sensor)

Camshaft Position Sensor "A" Circuit Range/Performance (Single Sensor)

Igniter Coil "A" Primary/Secondary Circuit

Igniter Coil "B" Primary/Secondary Circuit

Igniter Coil "C" Primary/Secondary Circuit

Igniter Coil "D" Primary/Secondary Circuit

Igniter Coil "E" Primary/Secondary Circuit

Igniter Coil "F" Primary/Secondary Circuit

Igniter Coil "G" Primary/Secondary Circuit

Igniter Coil "H" Primary/Secondary Circuit

Catalyst System Efficiency Below Threshold (Bank 1)

Catalyst System Efficiency Below Threshold (Bank 2)

Incorrect EVAP Purge Flow

Evaporative Emission Control System Leak Detected (Small Leak)

EVAP Vent Control Circuit Fault

Evaporative Emission Control System Pressure Sensor/Switch Range/Performance

Evaporative Emission Control System Pressure Sensor/Switch Low Input

Evaporative Emission Control System Pressure Sensor/Switch High Input

Evaporative Emission Control System Leak Detected (Very Small Leak)

Vehicle Speed Sensor "A"

Vehicle Speed Sensor "A" Intermittent Erratic/High

Brake Switch "A"/"B" Correlation

Idle Air Control (IAC) System Malfunction

System Voltage

Brake Switch "A" Circuit

Internal Control Module Random Access Memory (RAM) Error

ECM/PCM Processor

Control Module Performance

Starter Relay Circuit High

Actuator Supply Voltage Circuit/Open

Transmission Range Sensor Circuit Malfunction (PRNDL Input)

P07XX

⁽²⁾

Park/Neutral Switch Input Circuit

P09XX

⁽²⁾

P17XX

⁽²⁾

Throttle Actuator Control Motor Circuit Low

Throttle Actuator Control Motor Circuit High

Throttle Actuator Control System Stuck Open

Throttle Actuator Control System Stuck Closed

Throttle Actuator Control Motor Current Range/Performance

Throttle Actuator Control Throttle Body Range/Performance

Throttle/Pedal Position Sensor/Switch "D" Circuit

Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance

Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input

Throttle/Pedal Position Sensor/Switch "D" Circuit High Input

Throttle/Pedal Position Sensor/Switch "E" Circuit

Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input

Throttle/Pedal Position Sensor/Switch "E" Circuit High Input

Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correction

Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation

Oxygen Sensor Signal Stuck Lean (Bank 1 Sensor 1)

Oxygen Sensor Signal Stuck Rich (Bank 1 Sensor 1)

Oxygen Sensor Signal Stuck Lean (Bank 2 Sensor 1)

Oxygen Sensor Signal Stuck Rich (Bank 2 Sensor 1)

⁽¹⁾	Some codes are two-trip detection logic code(s). For more information, see DETECTION LOGIC under INTRODUCTION.

⁽²⁾	These codes only apply to electronically controlled transmissions. For testing procedures, see appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.