Fault-Tracing

Fault-tracing

Information
The diagnostic trouble code indicates that CAN-communication between engine control module (ECM) and central electronic module (CEM) is missing.
Among others, the code may be caused by:
- Engine control module (ECM) or central electronic module (CEM) contains no software for this vehicle.
- Open circuit in CAN-communication between central electronic module (CEM) and engine control module (ECM)
- Programmed engine control module (ECM) or central electronic module (CEM) has been moved from one vehicle to another.

Hint: Read off diagnostic trouble codes in central electronic module (CEM).

Continue - Verification

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Verification

Hint: After repairing, it is necessary to check that the malfunction has been fixed.




- Ignition off
- Reinstall connector, components, etc.
- Start the engine.

Did engine start?

Yes - Troubleshooting complete for this DTC

No - Troubleshooting information

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Troubleshooting information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Information

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