DTC C1A03-64: Left Front Height Sensor - Signal plausibility failure: Action

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2015 Land Rover Range Rover, and 2014 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If any height sensor fixings were slackened or found to be loose or if a height sensor was changed, the vehicle ride height MUST be recalibrated

Check the front and rear valve block pipes for correct routing and installation. Repair/renew as required, clear the DTCs and retest
Check the air harness for evidence of melting, crushing, kinking or collapsing. Repair/renew as required, clear the DTCs and retest
Refer to the approved diagnostic system for corner and reservoir checks. Repair/renew as required, clear the DTCs and retest
Check that the vehicle is free of obstructions. Check the height sensor for correct installation and torque of fixings. If any fixings require attention, recalibrate the ride height using the Jaguar Land Rover Approved Diagnostic Equipment. Clear the DTCs and retest
Visually inspect the height sensor for security, damage and correct orientation/installation. Check the sensor connector for damage. Repair/renew as required, clear the DTCs and retest