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SIERRA 3500 PICKUP
- Air Bag
  - (on transmission tunnel)
    - roof air bags (opt ASF)
    - Without roof air bags
- Body Control (BCM)
  - (under steering column)
- Communication
  - (OnStar, opt UE1)
    - (center dash, behind radio)
- Driver Side Assist
  - (park assist)
    - (below Passenger Side front seat)
- Memory
  - (under Driver Side seat)
- power take-off
  - (left hand frame rail)
- Towing Control
  - (left hand rear frame)
- Transfer Case
  - (left hand dash)
- Transmission
  - (left hand fan shroud)
    - (Automatic Transmission, 6 speed, opt MW7)
SIERRA DENALI 3500
- Air Bag
  - (on transmission tunnel)
- Body Control (BCM)
  - (under steering column)
- Communication
  - (OnStar, opt UE1)
    - (center dash, behind radio)
- Driver Side Assist
  - (park assist)
    - (below Passenger Side front seat)
- Memory
  - (under Driver Side seat)
- Towing Control
  - (left hand rear frame)
- Transfer Case
  - (left hand dash)
- Transmission
  - (left hand fan shroud)
    - (Automatic Transmission, 6 speed, opt MW7)

Chassis Computer for 2012 GMC Sierra 3500

Fits: SIERRA 3500 PICKUP Driver Side Assist park assist below Passenger Side front seat (change)

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