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SUBURBAN 1500
- Air Bag
  - (below left hand front seat)
    - front and seat air bags (opt AJ7)
      - ID 12220270
      - ID 12231730
    - Without front and seat air bags
      - ID 12227940
      - ID 12231740
- Body Control (BCM)
  - (under steering column)
- Communication
  - (OnStar, opt UE1)
    - (Passenger Side dash)
- Memory
  - (under Driver Side seat)
- Suspension
  - (behind Passenger Side rear quarter trim panel)
    - (chassis opt Z55)
- Transfer Case
  - (left hand dash)
SUBURBAN 2500
- Air Bag
  - (below left hand front seat)
    - front and seat air bags (opt AJ7)
      - ID 12220270
      - ID 12231730
    - Without front and seat air bags
      - ID 12227940
      - ID 12231740
- Body Control (BCM)
  - (under steering column)
- Communication
  - (OnStar, opt UE1)
    - (Passenger Side dash)
- Memory
  - (under Driver Side seat)
- Steering
  - (Quadrasteer, opt NYS)
- Suspension
  - (behind Passenger Side rear quarter trim panel)
    - (chassis opt Z55)
- Transfer Case
  - (left hand dash)

Chassis Computer for 2003 GMC Suburban

Fits: SUBURBAN 1500 Body Control BCM under steering column (change)

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