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.
Gear Selector Assembly
There are two types of gear selector assembly for the 4T65EV (-GT). There is one gear selector assembly with seven positions and one with the Geartronic function.
Gear shift selector, seven positions
The gear selector has seven positions with the following functions:
- P Park position
- R Back-up (reverse) position
- N Neutral position
- D Automatic shifting between all gears. (Does not apply when winter (W) mode is selected)
- 3 Fourth gear is blocked in this position
- 2 Only first and second gear function in this position
- 1 2nd, 3rd and 4th gears are blocked in this position.
Geartronic gear shift selector
Gear selector assemblies with Geartronic are unique in appearance and function. In addition to P/R/N/D modes they also have a "manual" (MAN) shifting mode.
The gear selector for Geartronic has the following functions:
- P Park position
- R Back-up (reverse) position
- N Neutral position
- D Automatic shifting between all gears. (Does not apply when the mode selector is in winter mode (W), for further information see, Function/Shifting program (Winter mode))
- MAN Manual shifting. There are three hall sensors on the gear selector module (GSM). A permanent magnet on the gear selector lever affects the output signals of the sensors to the gear selector module (GSM).
Use the Manual With the Right Hardware
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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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