Tests AG: No Communication With the Restraints Control Module (RCM) - Vehicles Built 03/2002 Onward

PINPOINT TEST AG: NO COMMUNICATION WITH THE RESTRAINTS CONTROL MODULE (RCM) - VEHICLES BUILT 03/2002 ONWARD

AG1:

AG2:

AG3:

AG4:

AG5:

AG6:

Normal Operation
The scan tool communicates with the restraints control module (RCM) 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:
- damaged wiring, terminals, or connectors.
- a faulty data link connector (DLC).
- a faulted RCM.