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Tests AD: No Communication With the Restraints Control Module (RCM)

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


AD1:






AD2-AD4:






AD5-AD6:






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

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