Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC

Definition

P0101 ⁽¹⁾

Mass Airflow Sensor Performance

P0102 ⁽²⁾

Mass Airflow Sensor Circuit - Low Voltage

P0103 ⁽²⁾

Mass Airflow Sensor Circuit - High Voltage

P0107 ⁽¹⁾

Manifold Absolute Sensor Circuit - Low Input

P0108 ⁽¹⁾

Manifold Absolute Sensor Circuit - High Input

P0111 ⁽¹⁾

Intake Air Temperature Sensor Circuit - Range/Performance Problem

P0112 ⁽²⁾

Intake Air Temperature Sensor Circuit - Low Input

P0113 ⁽²⁾

Intake Air Temperature Sensor Circuit - High Input

P0116 ⁽¹⁾

Engine Coolant Temperature Sensor Performance

P0117 ⁽²⁾

Engine Coolant Temperature Sensor Circuit - Low Input

P0118 ⁽²⁾

Engine Coolant Temperature Sensor Circuit - High Input

P0121 ⁽¹⁾

Throttle Position Sensor Circuit Performance Problem

P0122 ⁽²⁾

Throttle Position Sensor Circuit - Low Input

P0123 ⁽²⁾

Throttle Position Sensor Circuit - High Input

P0125 ⁽¹⁾

Insufficient Coolant Temperature For Closed Loop Fuel Control

P0128 ⁽¹⁾

Coolant Thermostat (Coolant Temperature Less Than Regulating Temperature)

P0131 ⁽¹⁾

Heated Oxygen Sensor Circuit - Low Input (Bank 1; Sensor 1)

P0132 ⁽¹⁾

Heated Oxygen Sensor Circuit - High Voltage (Bank 1; Sensor 1)

P0133 ⁽¹⁾

Heated Oxygen Sensor Circuit - Slow Response (Bank 1; Sensor 1)

P0134 ⁽¹⁾

Heated Oxygen Sensor - No Activity Detected (Bank 1; Sensor 1)

P0135 ⁽¹⁾

Heated Oxygen Sensor Heater Circuit Malfunction (Bank 1; Sensor 1)

P0137 ⁽¹⁾

Heated Oxygen Sensor Circuit - Low Voltage (Bank 1; Sensor 2)

P0138 ⁽¹⁾

Heated Oxygen Sensor Circuit - High Voltage (Bank 1; Sensor 2)

P0141 ⁽¹⁾

Heated Oxygen Sensor Heater Circuit Malfunction (Bank 1; Sensor 2)

P0151 ⁽¹⁾

Heated Oxygen Sensor Circuit - Low Input (Bank 2; Sensor 1)

P0152 ⁽¹⁾

Heated Oxygen Sensor Circuit - High Voltage

P0153 ⁽¹⁾

Heated Oxygen Sensor - Slow Response (Bank 2; Sensor 1)

P0154 ⁽¹⁾

Heated Oxygen Sensor - No Activity Detected (Bank 2; Sensor 1)

P0155 ⁽¹⁾

Heated Oxygen Sensor Heater Circuit Malfunction (Bank 2; Sensor 1)

P0157 ⁽¹⁾

Heated Oxygen Sensor Circuit - Low Voltage

P0158 ⁽¹⁾

Heated Oxygen Sensor Circuit - High Voltage

P0161 ⁽¹⁾

Heated Oxygen Sensor Heater Circuit Malfunction (Bank 2; Sensor 2)

P0171 ⁽¹⁾

Fuel System Too Lean (Bank 1)

P0172 ⁽¹⁾

Fuel System Too Rich (Bank 1)

P0174 ⁽¹⁾

Fuel System Too Lean (Bank 2)

P0175 ⁽¹⁾

Fuel System Too Rich (Bank 2)

P0300 ⁽¹⁾

Misfire Detected

P0301 ⁽¹⁾

Misfire Detected

P0302 ⁽¹⁾

Misfire Detected

P0303 ⁽¹⁾

Misfire Detected

P0304 ⁽¹⁾

Misfire Detected

P0305 ⁽¹⁾

Misfire Detected

P0306 ⁽¹⁾

Misfire Detected

P0335 ⁽²⁾

Crankshaft Position Sensor Circuit Malfunction

P0340 ⁽²⁾

Camshaft Position Sensor Circuit Malfunction

P0401

EGR Flow Malfunction

P0403 ⁽²⁾

EGR Control Circuit

P0420 ⁽¹⁾

Catalyst System Efficiency Below Threshold (Bank 2)

P0430 ⁽¹⁾

Catalyst System Efficiency Below Threshold (Bank 1)

P0442 ⁽¹⁾

EVAP Control System Leak Detected (Small Leak)

P0444 ⁽¹⁾

EVAP Purge Control Circuit Open

P0445 ⁽¹⁾

EVAP Purge Control Valve Circuit Shorted

P0447 ⁽¹⁾

EVAP Vent Control Circuit Open

P0448 ⁽¹⁾

EVAP Vent Control Circuit Shorted

P0451 ⁽¹⁾

EVAP Pressure Sensor Performance

P0452 ⁽¹⁾

EVAP Pressure Sensor - Low Input

P0453 ⁽¹⁾

EVAP Pressure Sensor - High Input

P0455 ⁽²⁾

EVAP Control System Leak Detected (Gross Leak)

P0456 ⁽¹⁾

EVAP System Leak Detected (Very Small Leak)

P0461 ⁽¹⁾

Fuel Level Sensor Circuit Performance

P0463 ⁽¹⁾

Fuel Level Sensor Circuit - High Input

P0464 ⁽¹⁾

Fuel Level Sensor Circuit - Intermittent

P0496 ⁽¹⁾

EVAP System Flow During Non-Purge

P0500 ⁽²⁾

Vehicle Speed Sensor Malfunction

P0505 ⁽¹⁾

Idle Air Control System

P0506 ⁽¹⁾

Idle Air Control System - RPM Lower Than Expected

P0507 ⁽¹⁾

Idle Air Control System - RPM Higher Than Expected

P0601 ⁽²⁾

Internal Control Module Memory Check Sum Error

P0616 ⁽¹⁾

Starter Relay Circuit - Low Voltage

P0617 ⁽¹⁾

Starter Relay Circuit - High Voltage

P0705 ⁽²⁾⁽³⁾

Transmission Range Sensor Circuit Malfunction (PRNDL Input)

P0707 ⁽¹⁾⁽³⁾

Transmission Range Sensor Circuit - Low Input

P0717 ⁽²⁾⁽³⁾

Input/Turbine Speed Sensor Circuit - No Signal

P0722 ⁽²⁾⁽³⁾

Output Speed Sensor Circuit - No Signal

P0741 ⁽¹⁾⁽³⁾

TCC Lock-Up Solenoid Performance Or Stuck Off

P0742 ⁽¹⁾⁽³⁾

TCC Circuit Stuck On

P0751 ⁽¹⁾⁽³⁾

Shift Solenoid "A" (No. 1) Performance Or Stuck Off

P0752 ⁽¹⁾⁽³⁾

Shift Solenoid "A" (No. 1) Stuck On

P0756 ⁽¹⁾⁽³⁾

Shift Solenoid "B" (No. 2) Performance Or Stuck Off

P0757 ⁽¹⁾⁽³⁾

Shift Solenoid "B" (No. 2) Stuck On

P0973 ⁽²⁾⁽³⁾

Shift Solenoid "A" (No. 1) Control Circuit - Low

P0974 ⁽²⁾⁽³⁾

Shift Solenoid "A" (No. 1) Control Circuit - High

P0976 ⁽²⁾⁽³⁾

Shift Solenoid "B" (No. 2) Control Circuit - Low

P0977 ⁽²⁾⁽³⁾

Shift Solenoid "B" (No. 2) Control Circuit - High

P1510 ⁽²⁾

ECM Back-Up Power Supply Malfunction

P1740 ⁽²⁾⁽³⁾

Cruise Control Signal Circuit

P1875 ⁽²⁾⁽³⁾

4WD Low Switch Circuit Malfunction

P2025 ⁽¹⁾

EVAP Fuel Vapor Temperature Sensor Performance

P2026 ⁽²⁾

EVAP Fuel Vapor Temperature Sensor Circuit - Low Voltage

P2027 ⁽²⁾

EVAP Fuel Vapor Temperature Sensor Circuit - High Voltage

P2227 ⁽¹⁾

Barometric Pressure Circuit Performance

P2228 ⁽²⁾

Barometric Pressure Circuit Performance - Low Voltage

P2229 ⁽²⁾

Barometric Pressure Circuit Performance - High Voltage

P2231 ⁽¹⁾

Heated Oxygen Sensor Circuit - Shorted Heater Power Supply (Bank 1; Sensor 1)

P2232 ⁽¹⁾

Heated Oxygen Sensor Circuit - Shorted To Heater Circuit (Bank 1; Sensor 2)

P2234 ⁽¹⁾

Heated Oxygen Sensor Circuit - Shorted To HO2S Power Supply

P2235 ⁽¹⁾

Heated Oxygen Sensor Circuit - Shorted To Heater Circuit

P2270 ⁽²⁾⁽³⁾

TCC Circuit - High

P2769 ⁽²⁾⁽³⁾

TCC Circuit - Low

⁽¹⁾	DTC requires 2 consecutive drive cycles to set MIL.

⁽²⁾	DTC requires 1 drive cycle to set MIL

⁽³⁾	See appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.

⁽⁴⁾	See appropriate CRUISE CONTROL article in ACCESSORIES & EQUIPMENT.