Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
Hello, my name is Bobby. Thank you for the question. This system does not use relays. It uses modules and circuit breakers. Most of the time it is the circuit breakers. In the interior fuse boxes there are small metal boxes that look like large fuses. You need to locate the one LT DOOR and SEATS. Replace both of these. If that does not help then you need to replace the driver door module with a new programmed one. I hope this helps. Let me know if you need further assistance.
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My immediate suspicion is that the seat heater itself is damaged. The module will continue to turn it off because it sees a fault in the system.
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