GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B0016, B0017, or B0018

DTC B0016, B0017, or B0018

SDM

B0022, B0024, or B0026

DTC B0022, B0024, or B0026

SDM

B0051

DTC B0051

SDM

B0053

DTC B0053

SDM

B0077, B0079, or B0080

DTC B0077, B0079, or B0080

SDM

B0090

DTC B0090

SDM

B0091

DTC B0091

SDM

B1000

DTC B1000

SDM

B1001

DTC B1001

SDM

U1000 and U1255

DTC U1000 and U1255 in Data Link Communications

Chime Module, ECM, EBCM, IPC, RCDLR, SDM, SDGM, TCM

U1001 - U1254

DTC U1001-U1254 in Data Link Communications

Chime Module, ECM, EBCM, IPC, Radio, RCDLR, SDM, SDGM, TCM

U1300, U1301, or U1305

DTC U1300, U1301, or U1305 in Data Link Communications

Chime Module, ECM, EBCM, IPC, Radio, RCDLR, SDM, SDGM, TCM