Signal Too Low

Signal too low

Information
The immobilizer function is integrated in the central electronic module (CEM).
The diagnostic trouble code (DTC) indicates that there is an internal fault in the engine control module (ECM) that is preventing the immobilizer function from working This can be caused by a damaged engine control module (ECM).

Hint: Try replacing the engine control module (ECM).

For further information about this diagnostic trouble code (DTC), select Information, then DTC information.

Other information
- Signal specification, B5254T7 Signal Specification
- Engine control module (ECM), B5254T7 Service and Repair

Continue - Verification

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Fault-tracing 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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Verification

Hint: After carrying out the repair, check that the fault has been remedied.




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

Did the engine start?

Yes - FAULT FOUND

No - Fault-tracing information

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