GM Service Manual Online
For 1990-2009 cars only

DTC Code

Diagnostic Procedure

Module

B0285

DTC B0285 in Stationary Windows

BCM

B1000

DTC B1000

BCM, SDM, ECM, IPC, EBCM, VCIM, EPS

B1001

DTC B1001

BCM, EBCM, SDM

B1004

DTC B1004

VCIM

B1009

DTC B1009

VCIM

B1372

DTC B1372, B1373, or B1374

BCM

B1373

DTC B1372, B1373, or B1374

BCM

B1374

DTC B1372, B1373, or B1374

BCM

B1382

DTC B1382, B1383, or B1384

BCM

B1383

DTC B1382, B1383, or B1384

BCM

B1384

DTC B1382, B1383, or B1384

BCM

B1441

DTC B1441, B1442, or B1443

BCM

B1442

DTC B1441, B1442, or B1443

BCM

B1443

DTC B1441, B1442, or B1443

BCM

B2558

DTC B2558 in Lighting Systems

BCM

B2613

DTC B2613 in Lighting Systems

BCM

B2627

DTC B2627 in Lighting Systems

BCM

B2647

DTC B2647 in Lighting Systems

BCM

B2648

DTC B2648 in Lighting Systems

BCM

B2707

DTC B2707 in Shift Lock Control

BCM

B2709

DTC B2709 in Shift Lock Control

BCM

B2957

DTC B2957 in Theft Deterrent

BCM

B2958

DTC B2958 in Theft Deterrent

BCM

B2960

DTC B2960 in Theft Deterrent

BCM

B3031

DTC B3031 in Theft Deterrent

BCM

B3033

DTC B3033 in Theft Deterrent

BCM

B3109

DTC B3109 in Keyless Entry

BCM, RFA

B3127

DTC B3127 in Doors

BCM

B3132

DTC B3132 in Doors

BCM

B3137

DTC B3137 in Doors

BCM

B3267

DTC B3267 in Body Rear End

BCM

B3268

DTC B3268 in Body Rear End

BCM

B3715

DTC B3715, B3716, B3717, B3718, or B3719 in Wipers/Washer System

BCM

B3717

DTC B3715, B3716, B3717, B3718, or B3719 in Wipers/Washer System

BCM

B3718

DTC B3715, B3716, B3717, B3718, or B3719 in Wipers/Washer System

BCM

B3948

DTC B3948 in Lighting Systems

BCM

B3949

DTC B3949 in Lighting Systems

BCM

B3950

DTC B3950 in Lighting Systems

BCM

B3951

DTC B3951 in Lighting Systems

BCM

C0267 or C0129

DTC C0267 in Hydraulic Brakes

BCM

C0550

DTC C0550

EPS, EBCM

U1000

DTC U1000 and U1255 in Data Link Communications

BCM, EBCM, ECM, EPS, IPC, SDM, VCIM

U1016

DTC U1001-U1254 in Data Link Communications

BCM, EBCM, EPS, IPC, SDM

U1040

DTC U1001-U1254 in Data Link Communications

BCM, ECM, EPS, IPC, SDM

U1048

DTC U1001-U1254 in Data Link Communications

BCM

U1064

DTC U1001-U1254 in Data Link Communications

ECM, EPS, SDM

U1088

DTC U1001-U1254 in Data Link Communications

BCM, IPC

U1096

DTC U1001-U1254 in Data Link Communications

BCM, SDM

U1151

DTC U1001-U1254 in Data Link Communications

BCM

U1255

DTC U1000 and U1255 in Data Link Communications

BCM, EBCM, ECM, EPS, IPC, SDM, VCIM

U1300

DTC U1300, U1301, or U1305 in Data Link Communications

BCM, EBCM, EPS, IPC, SDM, VCIM

U1301

DTC U1300, U1301, or U1305 in Data Link Communications

BCM, EBCM, EPS, IPC, SDM, VCIM

U1305

DTC U1300, U1301, or U1305 in Data Link Communications

BCM, EBCM, EPS, IPC, SDM, VCIM

U2100

DTC U2100 in Data Link Communications

ECM, Radio, TCM

U2103

DTC U2103 or U2104 in Data Link Communications

Radio

U2104

DTC U2103 or U2104 in Data Link Communications

ECM, TCM

U2105

DTC U2105-U2199 in Data Link Communications

ECM

U2106

DTC U2105-U2199 in Data Link Communications

ECM

U2172

DTC U2105-U2199 in Data Link Communications

Radio