17090
From Ross-Tech Wiki
17090 - Transmission Range Sensor (F125): Implausible Signal
Possible Causes
- Failed Multi-Function Transmission Range Switch (F125)
- Wiring harness issue between F125 and TCM
- Failed TCM
- Shifter cable incorrectly adjusted
Possible Solutions
- Inspect wiring harness between F125 and TCM, repair as needed
- Replace Multi-Function Transmission Range Switch (F125)
- Replace TCM
- Check shifter cable adjustment
- Check Measuring Blocks for F125 readings
Special Notes
- When found in the VW Passat (3B), the Multi-Function Transmission Range Switch (F125) is adjustable, make sure it is set correctly as per repair manual.
- When found in the Audi models with CVT (Continuously Variable Transmission), the Multi-Function Transmission Range Switch (F125) is part of the Mechatronic unit and cannot be replaced separately.
- 2011-2013 Q7 with 0C8 8 speed transmission, see TSB 37-13-92 or TPI 2030370 for possible corrosion on the pins of the multi-function switch.