Signal Faulty

Signal faulty

Checking the serial number
Compare the serial number on the control unit with the table and check that the number tallies with the car.
SRS serial number
AABBBCCCCD Ten letters in total indicating





If the serial number does not tally, replace the control unit.

Additional information
- To access/replace control unit, see Service and Repair.





Select Continue when fault has been rectified.

Continue - Verification

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Verification




Verification

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




- Ignition off
- Disconnect the battery negative lead
- Reinstall the connectors, components etc.
- Ignition on
- Connect the battery negative lead.

Warning! There must not be anyone inside the passenger compartment when the battery is connected.

- Read off diagnostic trouble codes (DTCs).
The fault is no longer present if the status of the diagnostic trouble code (DTC) has changed to intermittent.





Does the status change?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Verification

VERIFIED - FAULT FOUND

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Verification




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 - Checking the serial number

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