GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Generic
🢒
2003
🢒
Unit Repair
🢒 PCM Power, Grounding, Serial Data, and MIL
PCM Power, Grounding, Serial Data, and MIL
PCM Power, Grounding, Serial Data, and MIL
Master Electrical Component List
Powertrain Control Module Description
5 Volt and Low Reference Busses
OBD II Symbol Description Notice
G104 and G106
ETC, PCM, INJ 1, and INJ 2 Fuses
ETC, PCM, INJ 1, and INJ 2 Fuses
B+ Bus
PCMB, TREC, IPC/DIC, TBC BATT, SEO B1, SEO B2, and HVAC/ECAS Fuses
WS WPR, SEO ACCY, RR WPR, and TBC ACCY Fuses
WS WPR, SEO ACCY, RR WPR, and TBC ACCY Fuses
WS WPR, SEO ACCY, RR WPR, and TBC ACCY Fuses
WS WPR, SEO ACCY, RR WPR, and TBC ACCY Fuses
Power, Ground, DLC, and Splice Pack SP205
G102 and G103
G102 and G103
G102 and G103
G104 and G106
