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.
General Information
Shift Mechanism
The parking lock is mechanically engaged by the selector lever cable only in selector lever position "P". The other selector lever positions and shift functions are transmitted to the Transmission Control Module -J217- from the Selector Lever -E313- in the selector mechanism via the CAN Bus.
Shift Point Changes on Inclines and Declines
Additional gear change maps automatically select the gear changes for gradients depending on the accelerator pedal position and vehicle speed.
- The gear change map for extreme uphill stretches is matched to engine output.
- The gear change map for extreme downhill stretches is matched to the braking effect of the engine.
- Direct gear selection by way of the Tiptronic function permits utilization of engine braking action with a specific gear engaged, for example, on a downhill gradient with a trailer.
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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.