GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B0012, B0013, B0014, B0016, B0017, or B0018

DTC B0012, B0013, B0014, B0016, B0017, or B0018

SDM

B0022, B0024, B0026, B0042, B0043, or B0044

DTC B0022, B0024, B0026, B0042, B0043, or B0044

SDM

B0051

DTC B0051

SDM

B0053

DTC B0053

SDM

B0083 or B0084

DTC B0083 or B0084

SDM

B0090

DTC B0090

SDM

B0091

DTC B0091

SDM

B0100, B0101, or B0102

DTC B0100, B0101, or B0102

SDM

B1000

DTC B1000 in Body Control System

BCM, IPC, Radio, RCDLR, SDM, VCIM

B1001

DTC B1001

SDM

U1000 and U1255

DTC U1000 and U1255 in Data Link Communications

BCM, EBCM, IPC, PCM, Radio, RCDLR, SDM, VCIM

U1001-U1254

DTC U1001-U1254 in Data Link Communications

BCM, EBCM, IPC, PCM, Radio, RCDLR, SDM, VCIM

U1300, U1301, or U1305

DTC U1300, U1301, or U1305 in Data Link Communications

BCM, EBCM, IPC, PCM, Radio, RCDLR, SDM, VCIM