Diagnostic Trouble Code Definitions

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Use of Tech 2 or generic OBD II scan tool is required to retrieve DTCs. Refer to user reference manual supplied with scan tool.

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC

⁽¹⁾ Definition

⁽²⁾ Code Type

BXXXX

Body Control DTC

⁽³⁾

CXXXX

Suspension/Brake DTC

⁽³⁾

P0101 ⁽⁴⁾

Mass Air Flow Sensor Performance

P0102 ⁽⁴⁾

MAF Sensor Circuit - Low Frequency

P0103 ⁽⁴⁾

MAF Sensor Circuit - High Frequency

P0106 ⁽⁴⁾

MAP/TP Sensor Performance/Range

P0107 ⁽⁴⁾

MAP Sensor Circuit - Low Voltage

P0108 ⁽⁴⁾

MAP Sensor Circuit - High Voltage

P0112 ⁽⁴⁾

IAT Sensor Circuit - Low Voltage

P0113 ⁽⁴⁾

IAT Sensor Circuit - High Voltage

P0117 ⁽⁴⁾

ECT Sensor Circuit - Low Voltage

P0118 ⁽⁴⁾

ECT Sensor Circuit - High Voltage

P0121 ⁽⁴⁾

TP Sensor Angle Out Of Range

P0122 ⁽⁴⁾

TP Sensor Circuit - Low Voltage

P0123 ⁽⁴⁾

TP Sensor Circuit - High Voltage

P0125 ⁽⁴⁾

ECT Excessive Time To Enter Closed Loop Fuel Control

P0128 ⁽⁵⁾

Engine Coolant Thermostat

P0131 ⁽⁴⁾

HO2S Bank 1 Sensor 1 Circuit - Low Voltage

P0132 ⁽⁴⁾

HO2S Bank 1 Sensor 1 Circuit - High Voltage

P0133 ⁽⁵⁾

HO2S Bank 1 Sensor 1 Circuit - Slow Response

P0134 ⁽⁴⁾

HO2S Bank 1 Sensor 1 Circuit - Insufficient Activity

P0135 ⁽⁴⁾

HO2S Bank 1 Sensor 1 Heater Circuit

P0137 ⁽⁵⁾

HO2S Bank 1 Sensor 2 Circuit - Low Voltage

P0138 ⁽⁵⁾

HO2S Bank 1 Sensor 2 Circuit - High Voltage

P0140 ⁽⁵⁾

HO2S Bank 1 Sensor 2 Circuit - Insufficient Activity

P0141 ⁽⁵⁾

HO2S Bank 1 Sensor 2 Heater Circuit

P0151 ⁽⁴⁾

HO2S Bank 2 Sensor 1 Circuit - Low Voltage

P0152 ⁽⁴⁾

HO2S Bank 2 Sensor 1 Circuit - High Voltage

P0153 ⁽⁵⁾

HO2S Bank 2 Sensor 1 Circuit - Slow Response

P0154 ⁽⁴⁾

HO2S Bank 2 Sensor 1 Circuit - Insufficient Activity

P0155 ⁽⁴⁾

HO2S Bank 2 Sensor 1 Heater Circuit

P0157 ⁽⁵⁾

HO2S Bank 2 Sensor 2 Circuit - Low Voltage

P0158 ⁽⁵⁾

HO2S Bank 2 Sensor 2 Circuit - High Voltage

P0160 ⁽⁵⁾

HO2S Bank 2 Sensor 2 Circuit - Insufficient Activity

P0161 ⁽⁵⁾

HO2S Bank 2 Sensor 2 Heater Circuit

P0171 ⁽⁴⁾

Fuel Trim System Lean - Bank 1

P0172 ⁽⁴⁾

Fuel Trim System Rich - Bank 1

P0174 ⁽⁵⁾

Fuel Trim System Lean - Bank 2

P0175 ⁽⁵⁾

Fuel Trim System Rich - Bank 2

P0200 ⁽⁵⁾

Injector Control Circuit

P0218 ⁽⁶⁾

Transmission Over Temperature Condition

P0300 ⁽⁵⁾

Engine Misfire Detected

P0325 ⁽⁵⁾

Knock Sensor Circuit

P0327 ⁽⁵⁾

Knock Sensor Circuit - Low Voltage

P0335 ⁽⁵⁾

Crankshaft Position Sensor Circuit

P0336 ⁽⁴⁾

Crankshaft Position Sensor Performance

P0341 ⁽⁵⁾

Camshaft Position Sensor Circuit Performance

P0351 ⁽⁵⁾

Ignition Control Circuit

P0401 ⁽⁵⁾

EGR System - Insufficient Flow

P0404 ⁽⁵⁾

EGR Valve Pintle Position

P0405 ⁽⁵⁾

EGR Pintle Position Circuit - Low Voltage

P0410 ⁽⁵⁾

Secondary Air Injection System

P0420 ⁽⁵⁾

TWC System - Low Efficiency - Bank 1

P0430 ⁽⁵⁾

TWC System - Low Efficiency - Bank 2

P0440 ⁽⁵⁾

EVAP System

P0442 ⁽⁵⁾

EVAP Control System - Small Leak Detected

P0443 ⁽⁵⁾

EVAP Purge Solenoid Control Circuit

P0446 ⁽⁵⁾

EVAP Vent System Performance

P0449 ⁽⁵⁾

EVAP Vent Valve Performance

P0452 ⁽⁵⁾

Fuel Tank Pressure Sensor Circuit - Low Voltage

P0453 ⁽⁵⁾

Fuel Tank Pressure Sensor Circuit - High Voltage

P0461 ⁽⁷⁾

Fuel Level Sensor Circuit Performance

P0462 ⁽⁷⁾

Fuel Level Sensor Circuit - Low Voltage

P0463 ⁽⁷⁾

Fuel Level Sensor Circuit - High Voltage

P0500

VSS Circuit

P0502 ⁽⁶⁾

VSS Circuit - Low Input

P0503 ⁽⁶⁾

VSS Circuit Performance

P0506 ⁽⁵⁾

Idle Speed Low

P0507 ⁽⁵⁾

Idle Speed High

P0562 ⁽⁸⁾

System Voltage Low

P0563 ⁽⁸⁾

System Voltage High

P0601 ⁽⁴⁾

AF ECM Memory

P0602 ⁽⁵⁾

AF ECM Memory

P0604 ⁽⁵⁾

PCM Random Access Memory Performance

P0606 ⁽⁵⁾

PCM Memory

P0607 ⁽⁵⁾

PCM Memory

P0650 ⁽⁵⁾

MIL Control Circuit

P0706 ⁽⁶⁾

Transmission Range Switch

P0711 ⁽⁶⁾

Transmission Fluid Temperature Sensor Circuit Out-Of-Range

P0712 ⁽⁶⁾

Transmission Fluid Temperature Sensor Circuit - Low Voltage

P0713 ⁽⁶⁾

Transmission Fluid Temperature Sensor Circuit - High Voltage

P0717 ⁽⁶⁾

Input Speed Sensor Circuit - Low Input

P0719 ⁽⁶⁾

Brake Switch Circuit - Low Input

P0724 ⁽⁶⁾

Brake Switch Circuit - High Input

P0740 ⁽⁶⁾

TCC Enable Solenoid Circuit - Electrical Malfunction

P0741 ⁽⁶⁾

TCC System - Stuck Off

P0742 ⁽⁶⁾

TCC System - Stuck On

P0748 ⁽⁶⁾

Pressure Control Solenoid Electrical Malfunction

P0751 ⁽⁶⁾

1-2 Shift Solenoid Performance

P0752 ⁽⁶⁾

1-2 Shift Solenoid Performance - No 2nd Or 3rd Gear

P0753 ⁽⁶⁾

1-2 Shift Solenoid Electrical

P0756 ⁽⁶⁾

2-3 Shift Solenoid Performance

P0757 ⁽⁶⁾

2-3 Shift Solenoid Performance - No 3rd Or 4th Gear

P0758 ⁽⁶⁾

2-3 Shift Solenoid Electrical

P0785 ⁽⁶⁾

3-2 Shift Solenoid Electrical

P1111 ⁽⁵⁾

IAT Sensor Circuit - Intermittent High Voltage

P1112 ⁽⁵⁾

IAT Sensor Circuit - Intermittent Low Voltage

P1114 ⁽⁵⁾

ECT Sensor Circuit - Intermittent Low Voltage

P1115 ⁽⁵⁾

ECT Sensor Circuit - Intermittent High Voltage

P1121 ⁽⁵⁾

TP Sensor Circuit - Intermittent High Voltage

P1122 ⁽⁵⁾

TP Sensor Circuit - Intermittent Low Voltage

P1133 ⁽⁵⁾

HO2S Bank 1 Sensor 1 Insufficient Switching

P1134 ⁽⁵⁾

HO2S Bank 1 Sensor 2 Transition Time Ratio

P1153 ⁽⁵⁾

HO2S Bank 2 Sensor 1 Circuit - Insufficient Switching

P1154 ⁽⁵⁾

HO2S Bank 2 Sensor 1 Transition Time Ratio

P1215

Output Driver Circuit Fault

P1336 ⁽⁵⁾

CKP System Variation Not Learned

P1345 ⁽⁵⁾

Crankshaft/Camshaft Sensor Correlation

P1380 ⁽⁵⁾

EBCM DTC Detected Rough Road Date Unstable

P1381 ⁽⁵⁾

Misfire Detected - No EBCM/PCM Serial Data

P1404 ⁽⁵⁾

EGR Valve Closed Pintle Position

P1415 ⁽⁵⁾

Air System - Bank 1

P1416 ⁽⁵⁾

Air System - Bank 2

P1432

Fuel Tank Pressure Sensor Signal Low

P1433

Fuel Tank Pressure Sensor Signal High

P1441 ⁽⁵⁾

EVAP System Flow During Non-Purge

P1600 ⁽⁵⁾

PCM Memory Performance

P1621 ⁽⁵⁾

PCM Memory Performance

P1626 ⁽⁹⁾

Theft Deterrent Fuel Enable Circuit

P1627 ⁽⁵⁾

PCM Memory Performance

P1630 ⁽⁹⁾

Theft Deterrent Learn Mode Active

P1631 ⁽⁹⁾

Theft Deterrent Fuel Enable Signal Not Correct

P1635 ⁽⁵⁾

5-Volt Reference "A" Circuit

P1637 ⁽⁸⁾

Generator Turn-On Signal Circuit Voltage Out Of Range

P1638 ⁽⁸⁾

Pulse Width Modulated Signal Out Of Range

P1639 ⁽⁵⁾

5-Volt Reference "B" Circuit

P1665 ⁽⁷⁾

Fuel Level Signal Circuit

P1680 ⁽⁵⁾

PCM Memory

P1681 ⁽⁵⁾

PCM Memory

P1683 ⁽⁵⁾

PCM Memory

P1810 ⁽⁶⁾

TFP Valve Position Switch Circuit

P1860 ⁽⁶⁾

TCC PWM Solenoid Circuit

P1870 ⁽⁶⁾

Transmission Component Slipping

UXXXX

Communication DTC

⁽³⁾

⁽¹⁾	DTC definitions may vary depending on vehicle and/or engine configuration.

⁽²⁾	See CODE TYPES under ON-BOARD DIAGNOSTICS.

⁽³⁾	See appropriate BODY CONTROL MODULES article in ACCESSORIES & EQUIPMENT.

⁽⁴⁾	This DTC may also set during gasoline operation. See SELF-DIAGNOSTICS - 5.0L & 5.7L CHEVY EXPRESS & SAVANA article.

⁽⁵⁾	See SELF-DIAGNOSTICS - 5.0L & 5.7L CHEVY EXPRESS & SAVANA article.

⁽⁶⁾	See appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.

⁽⁷⁾	See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT.

⁽⁸⁾	See appropriate GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS.

⁽⁹⁾	See appropriate ANTI-THEFT SYSTEMS article in ACCESSORIES & EQUIPMENT.