Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 GMC Terrain FWD L4-2.4LFACTORY OEM SERVICE PROCEDURE
Power Seat Control Module: Locations
Passenger Compartment/Roof Component Views
Driver Seat Components
1 - M56D Seat Recline Motor - Driver (AE8)
2 - E14A Seat Heating Element - Driver Back (KA1)
3 - P22E Video Display - Driver Seatback (UWG)
4 - F106LF Seat Air Bag - Left Front
5 - M52D Seat Lumbar Support Horizontal Motor - Driver
6 - M51D Seat Horizontal Motor - Driver (AE8)
7 - K40 Seat Memory Control Module (LTZ or SLT) or K29 Seat Heating Control Module (KA1 without LTZ or SLT)
8 - F113D Seat Belt Anchor Pretensioner - Driver
9 - M55D Seat Rear Vertical Motor (AE8) or M57D Seat Vertical Motor (without AE8)
10 - M50D Seat Front Vertical Motor - Driver
11 - S65D Seat Lumbar Support Switch - Driver
12 - S64D Seat Adjuster Switch - Driver (without AE8)
13 - S64D Seat Adjuster Switch - Driver (AE8)
14 - S47D Seat Memory Switch - Driver (LTZ or SLT)
15 - E14B Seat Heating Element - Driver Cushion (KA1)
16 - B88D Seat Belt Switch - Driver
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.