There are 18 choices

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Air Bag
- (below center console)
Body Control (BCM)
- (Passenger Side dash)
Communication
- telematics (OnStar, opt UE1)
  - ID 84613034
  - ID 84676081
  - ID 84721683
- wireless charger
  - (under console)
Differential Lock
- (rear differential)
Driver Side Assist
- forward collision warning
  - (trunk compartment)
- park assist
  - (Passenger Side quarter panel)
    - front and rear park assist (opt UD5)
    - rear park assist (opt UD7)
Fuel Pump
- (floor chassis)
Information-GPS-TV
- (left hand quarter panel)
Memory
- (seat, mounted under seat)
  - ID 13536040
  - ID 13536041
Network Gateway
- (engine comparment)
Temperature
- (center of heater box)
Transfer Case
- (left hand rear side panel)
Transmission
- (left hand engine compartment)

Chassis Computer for 2020 Cadillac CT4

Fits: Communication telematics OnStar, opt UE1 ID 84721683 (change)

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