U0155/049493

From Ross-Tech Wiki

U0155/049493 - No Communication with Instrument Cluster

Possible Symptoms

• Malfunction Indicator Lamp (MIL) active

Possible Causes

• Connector(s)/Wiring from/to Instrument Cluster faulty
• Databus Communication faulty

Possible Solutions

• Check Connector(s)/Wiring from/to Instrument Cluster
• Check Databus Communication
  • See Measuring Value Blocks (MVB)

Special Notes

• When found in Engine Control Module without any obvious cause (i.e. Measuring Value Blocks show plausible Values)
  • Check Oil Level and Temperature Sensor Installation Information in Instrument Cluster Adaptation Channel 039.