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Tests AG: No Communication With The Restraints Control Module (RCM)

PINPOINT TEST AG: NO COMMUNICATION WITH THE RESTRAINTS CONTROL MODULE (RCM)


AG1-AG3:






AG3-AG5:






AG6:






Normal Operation
The diagnostic tool communicates with the restraints control module (RCM) monitors through the data link connector (DLC) C251 pin 7, circuit 70 (LB/WH).

Possible Causes
A no communication fault with the RCM can be caused by:
- fuse.
- wiring, terminals or connectors.
- a faulted DLC.
- a faulted RCM.