No Response From Front Control Module - Chrysler Town and Country 2003 Owner's Manual

COMMUNICATION
Symptom:

*NO RESPONSE FROM FRONT CONTROL MODULE

ATTEMPT TO COMMUNICATE WITH ANOTHER MODULE
OPEN GROUND CIRCUIT(S)
OPEN PCI BUS CIRCUIT
FRONT CONTROL MODULE
TEST
1 Turn the ignition on.
With the DRB, attempt to communicate with the Airbag Control Module.
With the DRB, attempt to communicate with the Controller Antilock Brake (CAB)
module.
With the DRB, attempt to communicate with the Body Control Module (BCM).
Was the DRB able to I/D or communicate with any of the modules?
Yes → Go To 2
→ Refer to symptom list for problems related to the PCI Bus
No
2 Turn the ignition off.
Remove the Front Control Module from the IPM.
Using a 12-volt test light connected to 12-volts, probe both Ground circuits.
Is the test light illuminated for each circuit?
Yes → Go To 3
→ Repair the Ground circuit(s) for an open.
No
POSSIBLE CAUSES
ACTION
Communication Failure.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
374
APPLICABILITY
All
All