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.
POSSIBLE CAUSES
DTC RESET
COMMUNICATE WITH CLUSTER
INSTRUMENT CLUSTER OPERATION
PCM
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, erase DTCs.
Start the engine on and off several times. Leave the engine running for at least 20
second each time.
With the DRBIIIt, read DTCs.
Does the DTC reset?
All
Yes → Go To 2
No → Refer to the INTERMITTENT CONDITION symptom in the
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
2 Ignition on, engine not running.
With the DRBIIIt, attempt to communicate with the Instrument cluster.
Can communication be established with the Instrument Cluster?
All
Yes → Go To 3
No → Refer to the Communication Category and perform the appropri-
ate symptom related to no communication with cluster.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
3 Start the engine
Allow the engine to idle.
Is the correct engine speed display (Tachometer) in the instrument cluster?
All
Yes → Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No → Refer to the Instrument Category and perform the appropriate
symptom.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
287
DRIVEABILITY - NGC
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