00546

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.