C1865
Air Suspension Rear Inflator Solenoid Output Circuit Failure
C1865 is an OBD-II diagnostic trouble code meaning: Air Suspension Rear Inflator Solenoid Output Circuit Failure. Common causes: open or short circuit in wiring harness, supercharger solenoid malfunction. Estimated repair cost: $56–167.
Symptoms
- The rear of the car sags
- Uneven ground clearance
- Suspension fault light is on
- The air suspension system does not respond to load changes
Causes
- Open or short circuit in wiring harness
- Supercharger solenoid malfunction
- Problems with the air suspension control module (ASCM)
- Corrosion of contacts or connectors
- Blown fuse
How to Fix
- Check fuses associated with the air suspension system
- Inspect the wiring harness for damage
- Check solenoid resistance (usually 10-20 ohms)
- Check power and ground at solenoid connector
- If necessary, replace the solenoid or repair the wiring harness.
- Reset the error and check the system operation
Related codes
FAQ
What does the C1865 code mean?
C1865 is an OBD-II diagnostic trouble code that indicates: Air Suspension Rear Inflator Solenoid Output Circuit Failure
What causes a C1865 error code?
The most common causes of C1865 include: Open or short circuit in wiring harness; Supercharger solenoid malfunction; Problems with the air suspension control module (ASCM); Corrosion of contacts or connectors.
How do I fix a C1865 diagnostic trouble code?
To fix C1865: Check fuses associated with the air suspension system. Inspect the wiring harness for damage. Check solenoid resistance (usually 10-20 ohms). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1865?
Limited driving only, diagnose soon
How much does it cost to fix C1865?
The estimated repair cost for C1865 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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