P2420-85 - Evaporative Emission Control System Switching Valve Control Circuit High - Signal above allowable range: Action
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.
NOTE:
If purge valve related DTCs are also set, perform the relevant corrective action(s) first.
- Refer to the applicable SYSTEM WIRING DIAGRAMS and check the diagnostic module tank leakage changeover valve circuit for short circuit to power