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Diagnostic Test

VERIFY DTC IS ACTIVE

Turn the ignition on.
With the scan tool, read the active DTCs.
Does the scan tool display; U0140-00-LOST COMMUNICATION WITH BODY CONTROL MODULE as active?

Yes
- Refer to NO RESPONSE FROM BCM (BODY CONTROL MODULE) and perform the NO RESPONSE FROM BCM (BODY CONTROL MODULE) diagnostic procedure.
No
- Refer to STORED LOST COMMUNICATION DTCS and perform the STORED LOST COMMUNICATION DTC diagnostic procedure.