Possible Causes
WARNING: This page is about a different car, the 2017 Jaguar XJ, 2016 Jaguar XJ, 2015 Jaguar XJ, 2014 Jaguar XJ, and 2013 Jaguar XJ. However, it is still accessible from the selected car via links, so may be relevant.
- Adaptive speed control module power or ground circuit open circuit, high resistance
- High speed CAN bus (powertrain) circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Adaptive speed control system fault