C1771
Air Suspension Vent Solenoid Output Circuit Open
C1771 is an OBD-II diagnostic trouble code meaning: Air Suspension Vent Solenoid Output Circuit Open. Common causes: open or short circuit in wiring harness, ventilation solenoid valve malfunction. Estimated repair cost: $56–167.
Symptoms
- Suspension fault indicator is on
- Air suspension does not adjust ground clearance
- The car may drop to minimum ground clearance
- Unusual sounds from the air suspension area
Causes
- Open or short circuit in wiring harness
- Ventilation solenoid valve malfunction
- Poor contact in connectors
- Air Suspension Control Module (ASCM) Malfunction
- Contact corrosion
How to Fix
- Carry out diagnostics with a scanner to confirm the code
- Visually inspect the wiring harness and connectors for damage.
- Check the resistance of the ventilation solenoid
- Check power and ground at solenoid connector
- If necessary, replace the solenoid or repair the wiring harness.
- Clear error codes and check system operation
Related codes
FAQ
What does the C1771 code mean?
C1771 is an OBD-II diagnostic trouble code that indicates: Air Suspension Vent Solenoid Output Circuit Open
What causes a C1771 error code?
The most common causes of C1771 include: Open or short circuit in wiring harness; Ventilation solenoid valve malfunction; Poor contact in connectors; Air Suspension Control Module (ASCM) Malfunction.
How do I fix a C1771 diagnostic trouble code?
To fix C1771: Carry out diagnostics with a scanner to confirm the code. Visually inspect the wiring harness and connectors for damage.. Check the resistance of the ventilation solenoid. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1771?
Limited driving only, diagnose soon
How much does it cost to fix C1771?
The estimated repair cost for C1771 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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