Faulty Signal

Faulty signal

Reading off diagnostic trouble codes (DTCs)




- Ignition on
- Read off diagnostic trouble codes (DTCs).
If any other codes than BCM-0050 are stored, these must be fault-traced first.





Were any diagnostic trouble codes (DTCs) other than BCM-0050 stored?

Yes - DONE

No - Erasing diagnostic trouble code (DTC)

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Erasing diagnostic trouble code (DTC)




- Ignition on.
Erase the diagnostic trouble code (DTC).





Continue - Checking diagnostic trouble codes (DTCs)

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Checking diagnostic trouble codes (DTCs)




- Ignition off
- Check the brake control module (BCM) connector. Check for contact resistance. Check for oxidation
- Wait a couple of seconds
- Ignition on
- Read off diagnostic trouble codes (DTCs).
Replace the brake control module (BCM) if the diagnostic trouble code (DTC) is still stored as a permanent fault.

Other information
- Anti-lock Brake System Module (ABS) Anti-Lock Brake System Module (ABS)
- Checking wiring and terminals Checking Wiring and Terminals





Was diagnostic trouble code (DTC) BCM-0050 stored as a permanent fault?

Yes - FAULT FOUND

No - Fault-tracing information

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Fault-tracing information
The brake control module (BCM) has previously registered a fault but the fault is no longer active. Check that the wiring is not too close to a source of interference such as a cell phone etc.

Continue - No Fault Found

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