What is the 5afe fault?

1 Answers
DiAdeline
07/30/25 5:43am
5afe refers to a fault in the anti-theft control unit, which requires timely replacement and commonly occurs in Volkswagen models. Overview: The engine immobilizer system (abbreviated as IMMO) is an electronic device built into the car that prevents the engine from operating without the correct key (or other verification measures). Components: The engine immobilizer system is a passive anti-theft system composed of a transponder key control unit, engine control unit (ECM), transponder key amplifier, and an ignition key with a transponder chip.
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