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Q: mechanical seats on 2004 GMC Yukon

The front driver seat will not operate at all. The passenger seat still operates but heat will not come on either seat. Is there a fuse that im not seeing or is there something else i could check?
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GMC have a service Bulletin about intermittent heated seat operation which requires a reprogram of the control module.
The instrument panel fuse block has a 30 Amp circuit breaker that protects the electrically operated front seats. Fuse identified as IGN fuse 3 (10 Amp) , Driver fuse (20 Amp), Front Passenger (20 Amp fuse) also protect the seat heater and seat functions.
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