GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2004 🢒 Alero 🢒 Accessories 🢒 Entertainment 🢒 Diagnostic Trouble Code (DTC) List

DTC

Diagnostic Procedure

Module(s)

B1001

DTC B1001

Radio

B1025, B1035, B1045, or B1055

DTC B1025, B1035, B1045, or B1055

Radio

B1259

DTC B1259

Digital Radio Receiver

B1780

DTC B1780

Radio