Car Won’t Start Hybrid Interlock Circuit Open
Questions?
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Hybrid vehicles from Toyota, Honda, Ford, Audi, VW, BMW, and Mercedes-Benz utilize interlock circuits for the hybrid system. If the interlock circuit is tampered with, the vehicle will not start.
A fault code such as "The interlock circuit of the high-voltage on-board electrical system has a malfunction." will get triggered and disables the engine start.
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Have questions about your car? Get assistance in our newly launched forum section. We’re here to provide support!