Cannot Be Programmed

Cannot be programmed

IMM-121 PIN

Initiating immobilizer control module

Hint: A fault was stored in the control module when storing the PIN while initiating.

- Ignition on.
- Try to initiate control module again according to Initiating a new immobilizer control module Initiating A New Immobilizer Control Module.
Read diagnostic trouble codes (DTCs).





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

Yes - Replacing component

No - Fault-tracing information

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Replacing component
Immobilizer control module cannot be initiated. Try a new control module according to Replacing the control module Replacing the Control Module and initiate according to Initiating a new immobilizer control module Initiating A New Immobilizer Control Module.

Continue - Verification

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

Continue - FAULT FOUND

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Verification




Verification

Hint: After finishing the repair check that the repair is successful and that the fault is corrected as follows.




- Ignition on.
Read 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 - Exit fault-tracing

No - Attempt New Test


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