OBD-II FAULT CODE
C1722

Air Suspension Height Sensor Power Circuit Short To Battery

Reference information for C1722. Because this is manufacturer-specific, confirm the exact definition for the vehicle before using the diagnostic guidance below.

Manufacturer-specific code

This code can have different meanings depending on vehicle make, model and year. Treat the definition below as a reference and confirm it with OEM service information before diagnosis or repair.

ChassisSystem
Suspension / ride controlCategory
MediumSeverity
  • ABS/traction/steering/suspension warning lamp or abnormal chassis behaviour
  • Height sensor fault
  • Air leak
  • Compressor/relay fault
  • Damaged wiring
  • Wire shorted to power feed
  • Inspect wheel/brake/suspension area, connectors, sensor wiring and module power/ground
  • Inspect ride-height sensors, air lines, compressor relay/fuse and leaks
  • Check for unwanted voltage on signal/control circuit
  • Repair leaks/wiring, replace failed sensor/compressor/valve after testing
  • Repair harness short to power or replace internally shorted component
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Disclaimer: Information is provided for general guidance only and may not apply to all vehicles. Always consult a qualified technician.