U0140

Test 1 - Test 2:

Test 3:

SYMPTOM
U0140-NO BODY BUS MESSAGES

WHEN MONITORED
Engine running. Battery voltage greater than 10.0 volts.

SET CONDITION
No BUS messages received from the BCM for 20 seconds.

POSSIBLE CAUSES
- DTC reset
- Communicate with BCM
- PCI BUS circuit open
- PCM