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GMC
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2018
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Acadia Denali, FWD
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Repair and Diagnosis
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External Pages
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Different car
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Section 336 (Seat Heating System And Seat Cooling System)
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Diagnostic Information and Procedures
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DTC B191A or B191B: Heated Seat Module
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Conditions for Running the DTC
Conditions for Running the DTC
WARNING:
This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
Ignition ON.