Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC

Description

Perform Test

B0016

Right Front Deployment Loop Resistance Low

⁽¹⁾

B0017

Right Front Deployment Loop Open

⁽¹⁾

B0018

Right Front Deployment Loop Short To Ground Or Voltage Out Of Range

⁽¹⁾

B0022

Left Front Deployment Loop Resistance Low

⁽¹⁾

B0024

Left Front Deployment Loop Short To Ground Or Voltage Out Of Range

⁽¹⁾

B0026

Left Front Deployment Loop Open

⁽¹⁾

B0051

Deployment Commanded

⁽¹⁾

B0053

Deployment Commanded With Loop Malfunctions Present

⁽¹⁾

B1000

Body Control Module Malfunction

DTC B1000

B1001

Option Configuration Error

DTC B1001

B1365

Ignition 0 Fault Voltage Low

⁽²⁾

B1369

Ignition 0 Fault No Voltage

DTC B1369

B1374

Ignition 1 Fault

DTC B1374

B1379

Ignition 3 Fault

DTC B1379

B1780

Radio VIN Data Mismatch

⁽³⁾

B2532

Foglight Relay Output Short To Ground Or Open

⁽⁴⁾

B2533

Foglight Relay Output Short To Battery

⁽⁴⁾

B2558

Interior Light Control Output Short To Battery

⁽⁵⁾

B2575

Headlight Request/Feedback Mismatch

⁽⁴⁾

B2577

Headlight Control Circuit Low

⁽⁴⁾

B2578

Headlight Relay Output Short TO Battery

⁽⁴⁾

B2585

Parklamp Control Circuit Malfunction

⁽⁴⁾

B2587

Parklamp Relay Output Open Or Short To Ground

⁽⁴⁾

B2588

Parklamp Relay Output Short To Voltage

⁽⁴⁾

B2600

Daytime Running Lights Error

⁽⁴⁾

B2601

Daytime Running Lights Stuck On

⁽⁴⁾

B2602

Daytime Running Lights Relay Output Short To Ground Or Open

⁽⁴⁾

B2603

Daytime Running Lights Relay Output Short To Battery

⁽⁴⁾

B2647

Ambient Light Sensor Circuit Low

⁽⁴⁾

B2648

Ambient Light Sensor Circuit High

⁽⁴⁾

B2752

Horn Relay Coil Circuit Low

⁽⁶⁾

B2753

Horn Relay Coil Circuit High

⁽⁶⁾

B2947

Security System Sensor Power Circuit Low

⁽⁷⁾

B2948

Security System Sensor Power Circuit High

⁽⁷⁾

B2957

Security System Sensor Data Circuit Low

⁽⁷⁾

B2958

Security System Sensor Data Circuit High

⁽⁷⁾

B2960

Security System Sensor Data Incorrect But Valid

⁽⁷⁾

B2965

Key In Ignition Fault

DTC B2965

B3031

Security System Controller In Learn Mode

⁽⁷⁾

B3033

Security System Indicates Tamper

⁽⁷⁾

B3127

Driver Door Only Unlock Circuit Low

⁽⁸⁾

B3128

Driver Door Only Unlock Circuit High

⁽⁸⁾

B3132

All Door Unlock Circuit Low

⁽⁸⁾

B3133

All Door Unlock Circuit High

⁽⁸⁾

B3137

All Door Lock Circuit Low

⁽⁸⁾

B3138

All Door Lock Circuit High

⁽⁸⁾

B3267

Decklid Relay Output Short To Ground/Open

⁽⁸⁾

B3268

Decklid Relay Output Short To Voltage

⁽⁸⁾

C1214

Brake Control Relay Contact Circuit Open

⁽⁹⁾

C1217

Brake Control Relay Coil Circuit Short To Ground

⁽⁹⁾

C1218

Brake Control Relay Coil Circuit Short To Voltage

⁽⁹⁾

C1221

Left Front Wheel Speed Sensor Input Signal Is Zero

⁽⁹⁾

C1222

Right Front Wheel Speed Sensor Input Signal Is Zero

⁽⁹⁾

C1223

Left Rear Wheel Speed Sensor Input Signal Is Zero

⁽⁹⁾

C1224

Right Rear Wheel Speed Sensor Input Signal Is Zero

⁽⁹⁾

C1225

Left Front Excessive Wheel Speed Variation

⁽⁹⁾

C1226

Right Front Excessive Wheel Speed Variation

⁽⁹⁾

C1227

Left Rear Excessive Wheel Speed Variation

⁽⁹⁾

C1228

Right Rear Excessive Wheel Speed Variation

⁽⁹⁾

C1232

Left Front Wheel Speed Circuit Open Or Shorted

⁽⁹⁾

C1233

Right Front Wheel Speed Circuit Open Or Shorted

⁽⁹⁾

C1234

Left Rear Wheel Speed Circuit Open Or Shorted

⁽⁹⁾

C1235

Right Rear Wheel Speed Circuit Open Or Shorted

⁽⁹⁾

C1236

Low System Supply Voltage

⁽⁹⁾

C1237

High System Supply Voltage

⁽⁹⁾

C1241

Variable Effort Steering Solenoid Open Or Short

⁽¹⁰⁾

C1242

Pump Motor Circuit Open

⁽⁹⁾

C1243

Brake Pressure Modulator Valve Pump Motor Stalled

⁽⁹⁾

C1245

Tire Pressure Monitor Fault

⁽¹¹⁾

C1247

Brake Fluid Level Sensor Signal Low

⁽¹²⁾

C1254

Keep Alive Memory Mismatch

⁽⁹⁾

C1255 Or C1256

Electronic Brake Control Module Internal Malfunction

⁽⁹⁾

C1261

Right Front Anti-Lock Brake System Motor Circuit Open

⁽⁹⁾

C1262

Right Front Anti-Lock Brake System Motor Circuit Shorted To Ground

⁽⁹⁾

C1263

Right Front Anti-Lock Brake System Motor Circuit Shorted To Voltage

⁽⁹⁾

C1264

Rear Anti-Lock Brake System Motor Circuit Open

⁽⁹⁾

C1265

Rear Anti-Lock Brake System Motor Circuit Shorted To Ground

⁽⁹⁾

C1266

Rear Anti-Lock Brake System Motor Circuit Shorted To Voltage

⁽⁹⁾

C1267

DTC U1300 Previously Stored

⁽⁹⁾

C1268

DTC U1301 Previously Stored

⁽⁹⁾

C1275

Powertrain Control Module Requested Enhanced Traction System To Be Disabled

⁽⁹⁾

C1278

Enhanced Traction System Temporarily Inhibited By Powertrain Control Module

⁽⁹⁾

C1295

Brake Lamp Switch Circuit Open

⁽⁹⁾

P0461

Fuel Level Sensor Performance

⁽¹³⁾

P0462

Fuel Level Sensor Circuit Low Voltage

⁽¹³⁾

P0463

Fuel Level Sensor Circuit High Voltage

⁽¹³⁾

P1189

Engine Oil Pressure Switch Circuit

⁽¹³⁾

P1626

Theft Deterrent Fuel Enable Signal Not Received

⁽⁷⁾

P1630

Theft Deterrent Learn Mode Active

⁽⁷⁾

P1631

Theft Deterrent Start Enable Signal Not Correct

⁽⁷⁾

P1632

Theft Deterrent Fuel Disable Signal Received

⁽⁷⁾

PXXXX

Powertrain

⁽¹⁴⁾

U1000 & U1255

Class 2 Communication Malfunction

DTC U1000 & DTC U1255

U1001-U1254

Loss Of Communications With XXX

DTC U1001-U1254

U1300

Class 2 Data Link Low

DTC U1300

U1301

Class 2 Data Link High

DTC U1301

⁽¹⁾	For information on air bag DIAGNOSIS & TESTING, see lemon-25(R) AIR BAG SERVICE & REPAIR MANUAL, DOMESTIC & IMPORTED MODELS.

⁽²⁾	Diagnose and repair Purple wire between left instrument panel junction block harness connector C1 terminal B9 and instrument cluster harness connector terminal A2. See WIRING DIAGRAMS article in ANALOG INSTRUMENT PANELS - ALERO & GRAND AM article.

⁽³⁾	Repair audio system as necessary.

⁽⁴⁾	Diagnose and repair circuit as necessary. See HEADLIGHT SYSTEMS & DAYTIME RUNNING LIGHTS article.

⁽⁵⁾	Diagnose and repair circuit as necessary. See ILLUMINATION/INTERIOR LIGHTS article.

⁽⁶⁾	Diagnose and repair horn circuit as necessary. See WIRING DIAGRAMS in STEERING COLUMN SWITCHES - ALERO & GRAND AM article.

⁽⁷⁾	See ANTI-THEFT SYSTEMS - ALERO & GRAND AM article.

⁽⁸⁾	See POWER DOOR LOCKS & TRUNK RELEASE - ALERO & GRAND AM article.

⁽⁹⁾	See appropriate ANTI-LOCK article in BRAKES.

⁽¹⁰⁾	See ELECTRONICS - VARIABLE EFFORT STEERING - ALERO & GRAND AM article in STEERING.

⁽¹¹⁾	Repair tire pressure monitoring system as necessary.

⁽¹²⁾	Repair brake fluid level sensor circuit as necessary.

⁽¹³⁾	See ANALOG INSTRUMENT PANELS - ALERO & GRAND AM article.

⁽¹⁴⁾	For powertrain control module diagnostic trouble code descriptions and testing procedures, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.