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

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

BO1-BO3:

BO3-BO5:

BO6:

Normal Operation
The diagnostic tool communicates via the HS-CAN with the restraints control module (RCM) through data link connector (DLC) C251 pins 6 and 14, circuits 4-EC7 (GY/RD) and 5-EC7 (BU/RD).

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