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Home >> Fiat >> 2014 >> 500c Abarth >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Body Control Module (BCM) - DTCS B106A-19 To B2229-62 - 500E) >> Diagnosis And Testing >> B1A25-96-Invalid Key - Component Internal Failure >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2014 Fiat 500e. However, it is still accessible from the selected car via links, so may be relevant.

The Body Control Module (BCM) monitors the condition of the RKE (Remote Keyless Entry) Fob transponder. When a report comes back to the BCM that the transponder has an internal failure, the BCM will set the code.

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