DTC C1A10-64: Pressure Fluctuates When System Inactive - Signal plausibility failure: Action
- Check for an air spring leak. Check the air harness for evidence of melting, crushing, kinking or collapsing. Repair/renew as required, clear DTC and retest
- If fault persists, check the front and rear valve block pipes for correct routing and installation. Repair/renew as required, clear DTC and retest
- Refer to the approved diagnostic system for corner, reservoir and exhaust valve checks. Check the corner valve for leaks. Repair/renew as required, clear DTC and retest
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check air suspension air pressure sensor circuit for short circuit to ground, short circuit to power, short circuit to another circuit, open circuit, high resistance. Repair circuit as required, clear DTC and retest
- If fault persists, check and install new air suspension air pressure sensor as required