C1770
Air Suspension Vent Solenoid Output Circuit Failure
C1770 is an OBD-II diagnostic trouble code meaning: Air Suspension Vent Solenoid Output Circuit Failure. Common causes: open or short circuit in solenoid circuit, ventilation solenoid valve malfunction. Estimated repair cost: $56–167.
Symptoms
- Check Engine or Suspension System Light Is On
- Air suspension does not adjust body height
- The car may be skewed to one side
- Extraneous sounds are heard from the air suspension area
Causes
- Open or short circuit in solenoid circuit
- Ventilation solenoid valve malfunction
- Wiring harness damage
- Problems with the air suspension control unit
- Corrosion of contacts or connectors
How to Fix
- Check the integrity of the wiring harness and contacts
- Check the solenoid resistance (the value is indicated in the manual)
- Check voltage at valve control circuit
- Replace faulty solenoid valve if necessary
- Clean or replace damaged connectors
- Reset the error and check system functionality
Related codes
FAQ
What does the C1770 code mean?
C1770 is an OBD-II diagnostic trouble code that indicates: Air Suspension Vent Solenoid Output Circuit Failure
What causes a C1770 error code?
The most common causes of C1770 include: Open or short circuit in solenoid circuit; Ventilation solenoid valve malfunction; Wiring harness damage; Problems with the air suspension control unit.
How do I fix a C1770 diagnostic trouble code?
To fix C1770: Check the integrity of the wiring harness and contacts. Check the solenoid resistance (the value is indicated in the manual). Check voltage at valve control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1770?
Limited driving only, diagnose soon
How much does it cost to fix C1770?
The estimated repair cost for C1770 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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