Instrument Cluster
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PINPOINT TEST 31: DTC U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE (BCM)
Normal Operation
The instrument cluster sets DTC U0140 in continuous memory if data messages received from the smart junction box (SJB) over the high speed controller area network (HS-CAN) are missing. For a complete list of all network messages, see Communications Network.
Possible Causes
- SJB
- Instrument cluster
Diagnostic Procedure
