Cannot Be Programmed

Cannot be programmed

IMM-121 PIN code

Initiating immobilizer control module

Hint: A fault was stored in the control module when storing the PIN code during initiation.




- Ignition on.
- Try to initiate the control module according to Immobilizer control module, initiating Immobilizer Control Module, Initiating.
- Switch the ignition off and on.
Read off diagnostic trouble codes (DTCs).





Has diagnostic trouble code (DTC) IMM-121 been stored again?

Yes - Replacing the component

No - Fault-tracing information

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Replacing the component
Immobilizer control module cannot be initiated. Try a new control module according to Immobilizer control module Immobilizer Control Module.
Initiate the new control module according to Immobilizer control module, initiating Immobilizer Control Module, Initiating.

Select "Continue" when the fault has been remedied.

Continue - Verifying the immobilizer control module

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Fault-tracing information
The fault is caused by temporary disruption of communication.

Select Continue.

Continue - FAULT FOUND

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Verifying the immobilizer control module




Verification

Verification

Hint: Check that the repair has been successful and that the fault has been remedied as follows.




- Switch the ignition off and on.
Read off diagnostic trouble codes (DTCs).





Has the diagnostic trouble code (DTC) recurred?

Yes - VERIFICATION FAILED

No - VERIFIED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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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 - FAULT-TRACING FAILED

No - Attempt New Test

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Attempt New Test - Initiating immobilizer control module

FAULT-TRACING FAILED - FAULT-TRACING FAILED

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