DTC U300A-64: Ignition Switch - Signal plausibility failure: Action
WARNING: This page is about a different car, the 2023 Jaguar F-Pace and 2022 Jaguar F-Pace. However, it is still accessible from the selected car via links, so may be relevant.
- Check the security and integrity of the switched ignition supply circuit connectors. Rectify as required
- Refer to the electrical circuit diagrams and check the switched ignition supply circuit to the control module for short circuit to ground, open circuit, high resistance. Repair circuit, clear the DTCs and retest