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Contactors

1 article(s) on «Contactors». Sorted by severity — most severe first.

Tesla Model S/X stuck HV contactor: BMS_f038 errors, won't sleep, won't charge — diagnosis and replacement

Sticking HV battery contactors on early 85/90 kWh packs cause BMS_f038 / BMS_w026 / BMS_w086 errors, prevent the car from sleeping (12V drains overnight), and after a charge-station pyrofuse trigger leave the car unable to drive or charge. Service Mode diagnostics, replacement procedure, and why this is one of the few HV jobs you should not DIY.

607075RWDAWD

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