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

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 re-calibrated

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, re-calibrate the ride height using the approved diagnostic system. 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