2020 GMC Sierra 1500 HD Chassis Computer

2020 GMC Sierra 1500 HD Chassis Computer (No parts in stock)
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Chassis Computer (Not Actual Photo)
Summary
Year: 2020change
Make: GMCchange
Model: Sierra 1500 HDchange
Item: Chassis Computer
Condition: OEM Used
Items Available: 0
Price Range: N/A
Local Discount: N/A
Returns: Cancellation & Return Policy
Item: Chassis Computer change
Condition: OEM Usedchange
Items Available: 0
Price Range: N/A
Local Discount: N/A
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Select the right Chassis Computer for your 2020 GMC Sierra 1500 HD

This part may have multiple fitment options depending on your vehicle's engine, drivetrain, and configuration. To ensure proper compatibility, please select the correct fitment below. If you’re unsure, we strongly recommend checking your VIN or vehicle build details before ordering. You can update or change the fitment selection at any time.

Chassis Computer - SIERRA 1500 PICKUP Air Bag (Passenger Side rear floor)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Air Bag (Passenger Side rear floor)
Items in stock: 440
Chassis Computer - SIERRA 1500 PICKUP Body Control (BCM) (under steering column) ID 13508761
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Body Control (BCM) (under steering column) ID 13508761
Items in stock: 553
Chassis Computer - SIERRA 1500 PICKUP Body Control (BCM) (under steering column) ID 13536089
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Body Control (BCM) (under steering column) ID 13536089
Items in stock: 53
Chassis Computer - SIERRA 1500 PICKUP Communication (telematics) (left hand dash) ID 84644344
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Communication (telematics) (left hand dash) ID 84644344
Items in stock: 968
Chassis Computer - SIERRA 1500 PICKUP Communication (telematics) (left hand dash) ID 84720629
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Communication (telematics) (left hand dash) ID 84720629
Items in stock: 0
Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist park assist (Passenger Side cab back panel) opt UD5
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Driver Side Assist park assist (Passenger Side cab back panel) opt UD5
Items in stock: 129
Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist park assist (Passenger Side cab back panel) opt UD7
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Driver Side Assist park assist (Passenger Side cab back panel) opt UD7
Items in stock: 127
Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist surround view (Passenger Side cab back panel) ID 84656961
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Driver Side Assist surround view (Passenger Side cab back panel) ID 84656961
Items in stock: 16
Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist surround view (Passenger Side cab back panel) ID 84680218
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Driver Side Assist surround view (Passenger Side cab back panel) ID 84680218
Items in stock: 0
Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist surround view (Passenger Side cab back panel) ID 84691752
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Driver Side Assist surround view (Passenger Side cab back panel) ID 84691752
Items in stock: 16
Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist surround view (Passenger Side cab back panel) ID 84691754
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Driver Side Assist surround view (Passenger Side cab back panel) ID 84691754
Items in stock: 0
Chassis Computer - SIERRA 1500 PICKUP Fuel Pump (Passenger Side rear frame rail)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Fuel Pump (Passenger Side rear frame rail)
Items in stock: 503
Chassis Computer - SIERRA 1500 PICKUP Memory (under Driver Side seat)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Memory (under Driver Side seat)
Items in stock: 1493
Chassis Computer - SIERRA 1500 PICKUP Multifunction (roof mounted)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Multifunction (roof mounted)
Items in stock: 966
Chassis Computer - SIERRA 1500 PICKUP Network Gateway (left hand rear engine compartment)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Network Gateway (left hand rear engine compartment)
Items in stock: 684
Chassis Computer - SIERRA 1500 PICKUP Power Supply (behind rear seat) 100 volt (opt KI4)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Power Supply (behind rear seat) 100 volt (opt KI4)
Items in stock: 142
Chassis Computer - SIERRA 1500 PICKUP Power Supply (behind rear seat) 230 volt (opt KI5)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Power Supply (behind rear seat) 230 volt (opt KI5)
Items in stock: 2
Chassis Computer - SIERRA 1500 PICKUP Steering (steering mounted) ID 13524104
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Steering (steering mounted) ID 13524104
Items in stock: 117
Chassis Computer - SIERRA 1500 PICKUP Steering (steering mounted) ID 13535112
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Steering (steering mounted) ID 13535112
Items in stock: 117
Chassis Computer - SIERRA 1500 PICKUP Steering (steering mounted) ID 84836986
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Steering (steering mounted) ID 84836986
Items in stock: 20
Chassis Computer - SIERRA 1500 PICKUP Suspension (rear frame) ID 84447009
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Suspension (rear frame) ID 84447009
Items in stock: 25
Chassis Computer - SIERRA 1500 PICKUP Suspension (rear frame) ID 84591777
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Suspension (rear frame) ID 84591777
Items in stock: 95
Chassis Computer - SIERRA 1500 PICKUP Temperature (Passenger Side under dash) ID 13507671
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Temperature (Passenger Side under dash) ID 13507671
Items in stock: 88
Chassis Computer - SIERRA 1500 PICKUP Temperature (Passenger Side under dash) ID 13507672
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Temperature (Passenger Side under dash) ID 13507672
Items in stock: 8
Chassis Computer - SIERRA 1500 PICKUP Temperature (Passenger Side under dash) ID 13507673
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Temperature (Passenger Side under dash) ID 13507673
Items in stock: 2
Chassis Computer - SIERRA 1500 PICKUP Temperature (Passenger Side under dash) ID 84569253
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Temperature (Passenger Side under dash) ID 84569253
Items in stock: 0
Chassis Computer - SIERRA 1500 PICKUP Temperature (Passenger Side under dash) ID 84569254
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Temperature (Passenger Side under dash) ID 84569254
Items in stock: 1
Chassis Computer - SIERRA 1500 PICKUP Temperature (Passenger Side under dash) ID 84569255
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Temperature (Passenger Side under dash) ID 84569255
Items in stock: 5
Chassis Computer - SIERRA 1500 PICKUP Theft-Locking (keyless entry, left hand under dash)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Theft-Locking (keyless entry, left hand under dash)
Items in stock: 478
Chassis Computer - SIERRA 1500 PICKUP Towing Control (behind left hand bumper) tow package
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Towing Control (behind left hand bumper) tow package
Items in stock: 89
Chassis Computer - SIERRA 1500 PICKUP Towing Control (behind left hand bumper) trailer lamp control ID 13524896
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Towing Control (behind left hand bumper) trailer lamp control ID 13524896
Items in stock: 10
Chassis Computer - SIERRA 1500 PICKUP Towing Control (behind left hand bumper) trailer lamp control ID 13535101
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Towing Control (behind left hand bumper) trailer lamp control ID 13535101
Items in stock: 10
Chassis Computer - SIERRA 1500 PICKUP Transfer Case (left hand inner fender)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Transfer Case (left hand inner fender)
Items in stock: 276
Chassis Computer - SIERRA 1500 PICKUP Transmission Control (left hand core support)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Transmission Control (left hand core support)
Items in stock: 112
Chassis Computer - SIERRA DENALI 1500 Air Bag (Passenger Side rear floor)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Air Bag (Passenger Side rear floor)
Items in stock: 440
Chassis Computer - SIERRA DENALI 1500 Body Control (BCM) body control (under steering column)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Body Control (BCM) body control (under steering column)
Items in stock: 553
Chassis Computer - SIERRA DENALI 1500 Body Control (BCM) running board (opt BRS) (under right side step bar)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Body Control (BCM) running board (opt BRS) (under right side step bar)
Items in stock: 1
Chassis Computer - SIERRA DENALI 1500 Communication (telematics) (left hand dash)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Communication (telematics) (left hand dash)
Items in stock: 968
Chassis Computer - SIERRA DENALI 1500 Driver Side Assist park assist (Passenger Side cab back panel) opt UD5
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Driver Side Assist park assist (Passenger Side cab back panel) opt UD5
Items in stock: 129
Chassis Computer - SIERRA DENALI 1500 Driver Side Assist park assist (Passenger Side cab back panel) opt UD7
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Driver Side Assist park assist (Passenger Side cab back panel) opt UD7
Items in stock: 127
Chassis Computer - SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84656961
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84656961
Items in stock: 16
Chassis Computer - SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84680218
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84680218
Items in stock: 0
Chassis Computer - SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84691752
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84691752
Items in stock: 16
Chassis Computer - SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84691754
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84691754
Items in stock: 0
Chassis Computer - SIERRA DENALI 1500 Fuel Pump (Passenger Side rear frame rail)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Fuel Pump (Passenger Side rear frame rail)
Items in stock: 503
Chassis Computer - SIERRA DENALI 1500 Memory (under Driver Side seat)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Memory (under Driver Side seat)
Items in stock: 1493
Chassis Computer - SIERRA DENALI 1500 Multifunction (roof mounted)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Multifunction (roof mounted)
Items in stock: 966
Chassis Computer - SIERRA DENALI 1500 Network Gateway (left hand rear engine compartment)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Network Gateway (left hand rear engine compartment)
Items in stock: 684
Chassis Computer - SIERRA DENALI 1500 Power Supply (behind rear seat) (120 volt)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Power Supply (behind rear seat) (120 volt)
Items in stock: 142
Chassis Computer - SIERRA DENALI 1500 Steering (steering mounted) ID 13524104
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Steering (steering mounted) ID 13524104
Items in stock: 117
Chassis Computer - SIERRA DENALI 1500 Steering (steering mounted) ID 13535112
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Steering (steering mounted) ID 13535112
Items in stock: 117
Chassis Computer - SIERRA DENALI 1500 Steering (steering mounted) ID 84836986
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Steering (steering mounted) ID 84836986
Items in stock: 20
Chassis Computer - SIERRA DENALI 1500 Suspension (rear frame) ID 84447009
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Suspension (rear frame) ID 84447009
Items in stock: 25
Chassis Computer - SIERRA DENALI 1500 Suspension (rear frame) ID 84571533
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Suspension (rear frame) ID 84571533
Items in stock: 95
Chassis Computer - SIERRA DENALI 1500 Suspension (rear frame) ID 84591777
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Suspension (rear frame) ID 84591777
Items in stock: 95
Chassis Computer - SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 13507671
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 13507671
Items in stock: 88
Chassis Computer - SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 13507672
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 13507672
Items in stock: 8
Chassis Computer - SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 13507673
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 13507673
Items in stock: 2
Chassis Computer - SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 84569253
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 84569253
Items in stock: 0
Chassis Computer - SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 84569254
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 84569254
Items in stock: 1
Chassis Computer - SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 84569255
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 84569255
Items in stock: 5
Chassis Computer - SIERRA DENALI 1500 Theft-Locking (keyless entry, left hand under dash)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Theft-Locking (keyless entry, left hand under dash)
Items in stock: 478
Chassis Computer - SIERRA DENALI 1500 Towing Control (behind left hand bumper) tow package
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Towing Control (behind left hand bumper) tow package
Items in stock: 89
Chassis Computer - SIERRA DENALI 1500 Towing Control (behind left hand bumper) trailer lamp control
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Towing Control (behind left hand bumper) trailer lamp control
Items in stock: 10
Chassis Computer - SIERRA DENALI 1500 Transfer Case (left hand inner fender) ID 84414504
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Transfer Case (left hand inner fender) ID 84414504
Items in stock: 276
Chassis Computer - SIERRA DENALI 1500 Transfer Case (left hand inner fender) ID 84691765
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Transfer Case (left hand inner fender) ID 84691765
Items in stock: 276
Chassis Computer - SIERRA DENALI 1500 Transmission Control (left hand core support)
Select Fitment This fitment option is for 2020 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Transmission Control (left hand core support)
Items in stock: 112

Interchange Fitment FAQs

Q: How does interchange fitment work for my 2020 GMC Sierra 1500 HD Chassis Computer?

A: All Chassis Computer options shown on this page are matched to your selected configuration: 2020 GMC Sierra 1500 HD. Used OEM parts are dismantled from donor vehicles as complete assemblies, and a specific interchange fitment is assigned during this process. Every detail shown in the fitment notes must match your vehicle exactly.

Q: What is an interchange fitment option for my 2020 GMC Sierra 1500 HD?

A: An interchange fitment option defines the exact donor vehicle configuration your part came from. For 2020 GMC Sierra 1500 HD, this may include engine size, VIN code, transmission model, drivetrain, axle ratio, and other critical identifiers. This data comes from VIN decoding, OEM information, and physical inspection of the donor vehicle.

Q: Why must every fitment detail match for my 2020 GMC Sierra 1500 HD?

A: Used OEM parts are not universal. If any fitment detail for your 2020 GMC Sierra 1500 HD differs from what is shown in the fitment notes, the Chassis Computer may not install, communicate with your vehicle, or function correctly. Always verify all fitment details before ordering.

Q: Where does the fitment information for my 2020 GMC Sierra 1500 HD come from?

A: Fitment information is captured when the donor vehicle is dismantled. The yard decodes the VIN for 2020 GMC Sierra 1500 HD, checks OEM data and interchange databases, and verifies details during physical inspection. The resulting fitment is then assigned to the Chassis Computer assembly.

Q: What if there are multiple fitment options for my 2020 GMC Sierra 1500 HD?

A: Many 2020 GMC Sierra 1500 HD vehicles were built with multiple configurations in the same year and trim. Trim name alone (XLT, Limited, Sport, etc.) is not enough. You must match the exact configuration shown in the fitment notes—such as engine size, transmission type, drivetrain, and axle ratio—before selecting a Chassis Computer.

Q: Where can I find my 2020 GMC Sierra 1500 HD VIN??

A: You can find the VIN for your 2020 GMC Sierra 1500 HD on the driver-side dashboard (visible through the windshield), inside the driver-side door jamb, and on your registration or insurance documents. The VIN helps confirm the correct configuration and fitment.

Q: Do trim levels affect fitment on my 2020 GMC Sierra 1500 HD?

A: Yes. Trim levels on your 2020 GMC Sierra 1500 HD can affect electronics, sensors, body parts, and interior components. Always match the detailed fitment notes for your configuration, not just the trim name, before selecting a Chassis Computer.

Attention!

There are 67 Chassis Computer choices for the 2020 GMC Sierra 1500 HD!!!
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