DTC C1A06-26: Right Rear Height Sensor - Signal rate of change below threshold: 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 height sensor linkage is securely connected and not damaged. Visually inspect the height sensor for security, damage and correct orientation/installation. Check the sensor connector for damage. Repair/renew as required, clear DTC and retest
If fault persists, refer to the applicable SYSTEM WIRING DIAGRAM(S) and check rear right height sensor circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair circuit as required, clear DTC and retest