GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2003
🢒
Chevy C Silverado - 2WD
🢒 Module Power, Ground, Serial Data and MIL
Module Power, Ground, Serial Data and MIL
Module Power, Ground, Serial Data and MIL
Master Electrical Component List
Powertrain Control Module Description
Engine Data Sensors - Pressure, Temperature, and VSS
OBD II Symbol Description Notice
Ignition, Run, Start, Accy Bus Bar
IGN 1 Relay Bus, SEO 2, RR DEFOG, SEO IGN, B/U LP
SBA, ETC, PCM 1, BTSI, TRL B/U
B+ Bus Bar (Gas) - 1 of 3
ECM, ECMRPV, EDU, EDU Relay - Diesel Only
IGN 0 , TBC IGN 0, TBC ACCY, SEO ACCY, W/S WIPER, RR WIPER
IGN 0 , TBC IGN 0, TBC ACCY, SEO ACCY, W/S WIPER, RR WIPER
SBA, ETC, PCM 1, BTSI, TRL B/U
Power, Ground, Serial Data
RTD/ECAS, RR WPR, EAP, SUNROOF, IPC/DIC, SEO 1
G102, G103-Gas
SP205 - 2 of 2
