U0155-No Cluster Bus Message - Chrysler Pacifica CS 2004 Service Manual

Symptom:

U0155-NO CLUSTER BUS MESSAGE

When Monitored and Set Condition:
U0155-NO CLUSTER BUS MESSAGE
When Monitored: Engine Running.
Set Condition: No BUS messages received from the MIC (Instrument Cluster) for 20
seconds.
DTC RESET
COMMUNICATE WITH CLUSTER
INSTRUMENT CLUSTER OPERATION
PCM
TEST
1 Turn the ignition on.
With the DRBIII , erase DTCs.
Start the engine on and off several times. Leave the engine running for at least 20
second each time.
With the DRBIII , read DTCs.
Does the DTC reset?
Yes → Go To 2
→ Refer to the INTERMITTENT CONDITION symptom in the
No
2 Ignition on, engine not running.
With the DRBIII , attempt to communicate with the Instrument cluster.
Can communication be established with the Instrument Cluster?
Yes → Go To 3
→ Refer to the Communication Category and perform the appropri-
No
3 Start the engine
Allow the engine to idle.
Is the correct engine speed display (Tachometer) in the instrument cluster?
Yes → Replace and program the Powertrain Control Module in accor-
→ Refer to the Instrument Category and perform the appropriate
No
POSSIBLE CAUSES
ACTION
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
ate symptom related to no communication with cluster.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
symptom.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
DRIVEABILITY - NGC
291
APPLICABILITY
All
All
All