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

DTC

Diagnostic Proceedure

Module

10

DTC 10

Radio

11

DTC 11

Radio

21

DTC 21

Radio

22

DTC 22

Radio

30

DTC 30

Radio

33

DTC 33

Radio

34

DTC 34

Radio

35

DTC 35

Radio

40

DTC 40

Radio