00546
From Ross-Tech Wiki
00546 - Data Wiring faulty
00546 - Data Wiring faulty: Implausible Signal
Possible Symptoms
- Engine not starting / immediate Shutdown
- Malfunction Indicator Light (MIL) ON
Possible Causes
- Wiring and/or Connector(s) from/to Immobilizer Control Module (J362) faulty
- No Signal or Implausible Signal on W-Line between Immobilizer Control Module (J362) and Engine Control Unit or Fuel Cut-Off Valve Control Unit
- Immobilizer Control Module (J362) incorrectly coded
- Immobilizer Control Module (J362) faulty
Possible Solutions
- Check Wiring and/or Connector(s) from/to Immobilizer Control Module (J362)
- Check Immobilizer Control Module (J362) Coding, Baud Rate Setting
- Check/Replace Immobilizer Control Module (J362)
Special Notes
- Under certain circumstances this code may be stored after improperly operating the Vehicle/Ignition. For example after the Engine has stopped the Ignition is switched on again immediately (Engine Control Module is still in the Start-Up Phase).
- In such a case switch off the Ignition and wait at least 10 seconds before switching it back on. Then check and clear Fault Codes.