Diagnostic Procedure
WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
U0155-NO CLUSTER BUS MESSAGE DIAGNOSTIC TEST REFERENCE
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | Ignition on, engine not running. With the DRBIII®, erase DTCs. Start the engine and shut if off several times allowing it to idle each time for 20 seconds. With the DRBIII®, read DTCs. Does the DTC reset? Yes --> Go To 2 No --> Refer to the INTERMITTENT CONDITION SYMPTOM . Perform POWERTRAIN VERIFICATION TEST VER - 1 . |
All |
| 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 No --> Refer to the COMMUNICATION CATEGORY and perform the appropriate test related to no communication with cluster. Perform POWERTRAIN VERIFICATION TEST VER - 1 . |
All |
| 3 | Start the engine Allow the engine to idle. Is the correct engine speed display in the instrument cluster (Tach)? Yes --> Replace and program the Powertrain Control Module per Service Information. Perform POWERTRAIN VERIFICATION TEST VER - 1 . No --> Refer to the INSTRUMENT CLUSTER and perform the appropriate test. Perform POWERTRAIN VERIFICATION TEST VER - 1 . |
All |