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.
2008 Porsche Cayenne Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Climatronic Man | In center console. See Figure. |
| Climatronic 2+2 Control Unit (Front) | In center console. |
| Climatronic 2+2 Control Unit (Left/Right) | In center console. |
| Climatronic 2+2 Control Unit (Rear) | In center console. |
| Comfort Systems Control Unit (Rear) | Right rear cargo area. |
| CU Airbag | Under center console. See Figure. |
| CU Air Suspension Ride - Height Control | Right rear wheel housing. See Figure. |
| CU Axle - Differential Lock | Left rear of vehicle. See Figure. |
| CU Center Differential Lock | Under front passenger's seat. See Figure. |
| CU Gateway | Right end of dash. See Figure. |
| CU Headlight (Left/Right) | Behind respective headlight assemblies. See Figure. |
| CU KESSY | Left center of dash. See Figure. |
| CU Motor | Right rear of engine compartment. See Figure. |
| CU On Board Comp. Network | Left side of dash. See Figure. |
| CU Parking Assistant | Left rear cargo area. See Figure. |
| CU Rear | Right rear wheel housing. See Figure. |
| CU Seat Memory (Left/Right) | Under respective front seat. See Figure. |
| CU Stabilizer Decoupling | Left rear of vehicle. See Figure. |
| CU Stationary Heater | Left rear corner of engine compartment. See Figure. |
| CU Telephone | Under front passenger's seat. See Figure. |
| CU Trailer | Over right rear wheel housing. See Figure. |
| CU Weight Recognition | Under front passenger seat. See Figure. |
| CU Wiper | Left rear of engine compartment. See Figure. |
| DME Motor Control Unit | In engine compartment. |
| Panorama Roof System Control Unit | Front center of roof. |
| PCM 2.1 | Middle of instrument panel. |
| PSM Control Unit | Right rear of engine compartment. |
| Ride-Height Control Control Unit | Over right rear wheelwell. |
| Tiptronic Control Unit | Under right front seat. |
| Tire Pressure Control Unit | Behind left end of dash. |
| Transmission | Under front passenger's seat. 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.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
