No Tcm Messages Received - Chrysler Town and Country 2003 Owner's Manual

OVERHEAD CONSOLE
Symptom:

NO TCM MESSAGES RECEIVED

DTC PRESENT
NO RESPONSE - PCI BUS - TCM
CMTC/EVIC MODULE
TEST
1 With the DRBIII , erase DTCs.
Cycle the ignition and wait approximately 1 minute.
With the DRBIII , read DTCs.
Did this DTC reset?
Yes → Go To 2
→ The condition is not present at this time. Monitor DRBIII
No
2 Turn the ignition on.
With the DRBIII , attempt to I/D or communicate with the TCM.
Was the DRBIII able to communicate with the TCM?
Yes → Replace the CMTC or EVIC in accordance with the Service
→ Refer to the COMMUNICATION category and perform the appro-
No
POSSIBLE CAUSES
ACTION
parameters while wiggling the related wire harness. Refer to any
Technical Service Bulletins (TSB) that may apply. Visually in-
spect the related wiring harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1.
Information.
Perform BODY VERIFICATION TEST - VER 1.
priate symptom.
Perform BODY VERIFICATION TEST - VER 1.
746
APPLICABILITY
All
All