Other information:
System Operation
Body Control Module (BCM)
The BCM controls various systems by monitoring inputs from switches,
sensors and network messages from other modules on the HS-CAN1 and from
the GWM . Based on the inputs received, the BCM activates outputs...
Special Tool(s)
MASTERTECH MTS-4000 ANALYZER257-00018
EngineEAR107-R2100Chassis EarsJSP97170 Squeak And Rattle Kit164-R4900
Ultrasonic Leak Detector134-R0135
Diagnostic Theory
The shortest route to an accurate diagnosis results from:
System knowledge, including comparison with a known good system...