Dodge Ram Truck 1500-2500-3500. Manual - part 368
ACM MESSAGES NOT RECEIVED
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
The Instrument Cluster does not receive any messages from the ACM for at least 5 seconds.
Possible Causes
BUS MESSAGE NOT RECEIVED DTC PRESENT
INSTRUMENT CLUSTER
1.
BUS MESSAGE NOT RECEIVED DTC PRESENT
With the DRBIII
T
, attempt to communicate with the module that corresponds to the DTC that is set.
Was the DRBIII
T
able to I/D or communicate with the Module in question?
Yes
>> Go To 2
No
>> Refer to Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST - VER 1.)
2.
INSTRUMENT CLUSTER
NOTE: If this is an active DTC, answer yes to the question.
With the DRBIII
T
, erase DTCs.
Cycle the ignition, wait approximately 1 minute.
With the DRBIII
T
, read DTCs.
Did the DTC reset?
Yes
>> Replace the Instrument Cluster in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST - VER 1.)
No
>> The condition is not present at this time. Monitor DRBIII
T
parameters while wiggling the related wire
harness. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wir-
ing harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST - VER 1.)
8J - 32
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
DR/DH