2020 Chevrolet Tahoe LS, 4WD, Gas/EthanolFACTORY OEM SERVICE PROCEDURE

Rear Seat Heater Control Module Replacement

GM3639015Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove the rear seat riser opening finish cover. Refer to Rear Seat Riser Opening Finish Cover Replacement .
1 Rear Seat Heater Control Module Fastener (Qty: 2)
CAUTION:

Refer to Fastener Caution .


Tighten 
2 N.m (18 lb in)
2 Rear Seat Heater Control Module
Procedure 
Disconnect the electrical connectors.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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