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.
2009 Chevrolet Traverse LS, AWDFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Accessory AC/DC Power Control Module | Behind left rear interior trim panel. See Figure. |
| Blower Motor Control Module | Behind glove box, in front of blower motor. See Figure. |
| Blower Motor Control Module - Auxiliary | On rear HVAC module. See Figure. |
| Body Control Module (BCM) | Under left side of dash. See Figure. |
| Driver Door Module (DDM) | In driver's door arm rest. See Figure. |
| Electronic Brake Control Module (EBCM) (7) | Left side of engine compartment. See Figure. |
| Engine Control Module (ECM) | Left side of engine. See Figure. |
| Heated Seat Control Module - Driver (Power Seat) | Under driver's seat. See Figure. |
| Inflatable Restraint Sensing & Diagnostic Module | Under floor console. See Figure. |
| Liftgate Module (LGM) | Near base of left "D" pillar. See Figure. |
| Memory Seat Module | Under driver's seat. See Figure. |
| Object Alarm Module | Left quarterpanel. See Figure. |
| Passenger Door Module (DDM) | In front passenger's door arm rest. See Figure. |
| Passenger Presence System (PPS) Module | Integral to inflatable restraint front passenger presence System (PPS) sensor. See Figure. |
| Rear Differential Clutch Control Module (3) | At rear differential. See Figure. |
| Rear Parking Assist (RPA) Module | Behind left rear interior trim panel. See Figure. |
| Sunroof Control Module | Front of sunroof assembly. See Figure. |
| Sunroof Shade Module | Center rear of roof. See Figure. |
| Theft Deterrent Control Module | In steering column, at ignition switch. See Figure. |
| Vehicle Communications Interface Module (VCIM) | Left quarterpanel. See Figure. |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.