Operation CHARM
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GMC Truck
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2012
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Sierra 3500 Denali 4WD V8-6.6L DSL Turbo
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Repair and Diagnosis
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Body and Frame
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Seats
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Power Seat Switch
Power Seat Switch
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Locations
Component Locations
Seat Lumbar Switch - Driver (AN3)
Seat Adjuster Switch - Driver (AG1)
Seat Adjuster Switch - Passenger (AG2)
Seat Lumbar Switch - Passenger (AN3)
Harness Locations
Seat Lumbar Switch - Driver (AN3)
Seat Adjuster Switch - Driver (AG1)
Seat Adjuster Switch - Passenger (AG2)
Seat Lumbar Switch - Passenger (AN3)
Service and Repair
Driver or Passenger Seat Adjuster Switch Knob Replacement
Power Seat Switch Replacement
Lumbar Switch Replacement
Diagrams
Seat Adjuster Switch - Driver (AG1 without AN3)
Seat Adjuster Switch - Driver (AN3)
Seat Adjuster Switch - Passenger (AG2 without AN3)
Seat Adjuster Switch - Passenger (AN3)
Seat Lumbar Switch - Driver (AN3)
Seat Lumbar Switch - Passenger (AN3)
Technical Service Bulletins
