DTC C1B18-62: Module Power Supplies - Signal compare failure: 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.
- Check the module connector(s) for security and integrity. Rectify as required
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the power supply circuit(s) to the module for short circuit to ground, high resistance. Repair circuit (s) as required, clear DTC and retest