DTC B118A-29: Rear Window Position Sensor - Signal invalid: Action
WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the rear window regulator motor position sensor signal circuits for short circuit to ground, short circuit to power, open circuit, high resistance