Bcm Messages Not Received - Jeep KJ Liberty 2005 Service Manual

BRAKES (25E)
Symptom:

BCM MESSAGES NOT RECEIVED

When Monitored and Set Condition:
BCM MESSAGES NOT RECEIVED
When Monitored: Ignition On - Continuously
Set Condition: When the ABM detects the BCM is not connected or not functioning
correctly for 10 seconds.
ATTEMPT TO COMMUNICATE WITH THE BCM
BODY CONTROL MODULE
TEST
1 Turn the ignition on.
With the DRBIII , attempt to communicate with the Body Control Module.
Was the DRBIII able to I/D or communicate with the BCM?
Yes → Go To 2
No
2 With the DRBIII , erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIII , read DTC's.
Did this DTC reset?
Yes → Replace the Body Control Module in accordance with the service
No
POSSIBLE CAUSES
ACTION
→ Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
information.
Perform BODY VERIFICATION TEST - VER 1.
→ Test Complete.
14
APPLICABILITY
All
All