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Home >> Fiat >> 2018 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 44 (Body Control Module (BCM) - DTCS B106A-19 To B2229-62 - 500 - Electric) >> DTC Troubleshooting >> B1A25-96-Invalid Key - Component Internal Failure >> Theory Of Operation

Theory Of Operation

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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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