DTC P0620-01: Generator Control Circuit - General electrical failure: Action
WARNING: This page is about a different car, the 2015 Jaguar XK, 2014 Jaguar XK, 2013 Jaguar XK, and 2012 Jaguar XK. However, it is still accessible from the selected car via links, so may be relevant.
- Check for good/clean contact at generator B+ and battery terminal connectors
- Refer to the appropriate electrical circuit wiring diagrams and check charging circuit for short circuit, open circuit
- Clear DTC and repeat automated diagnostic procedure using the manufacturer approved diagnostic system
- If DTC remains, check and install a new generator as required. Refer to the warranty policy and procedures manual, or determine if any prior approval program is in operation, prior to the installation of a new module/component