No Communication Bus (Active)

Test 1:

Test 2 - Test 4:

Test 5 - Test 6:

SYMPTOM
NO COMMUNICATION BUS (ACTIVE)

WHEN MONITORED
With the ignition on.

SET CONDITION
This DTC will set if the Automatic Temperature Control (ATC) fails to receive all module messages.

POSSIBLE CAUSES
- Can circuits shorted to voltage
- Module short to voltage
- Can circuits shorted to ground
- Module short to ground
- Can circuits shorted together
- Engine control module
- Sentry key remote entry module