C1844
Air Suspension Secondary Front Inflator Solenoid Output Circuit Failure
C1844 is an OBD-II diagnostic trouble code meaning: Air Suspension Secondary Front Inflator Solenoid Output Circuit Failure. Common causes: open or short circuit in wiring harness, secondary supercharger solenoid malfunction. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of the air suspension
- Suspension fault lamp comes on
- The car does not maintain the specified body height
- Grinding or knocking noises from the suspension area
Causes
- Open or short circuit in wiring harness
- Secondary supercharger solenoid malfunction
- Problems with the suspension control module
- Corroded contacts or poor connection
- Blown fuse
How to Fix
- Check air suspension circuit fuses
- Inspect the wiring harness for damage
- Check the solenoid resistance (compare with specifications)
- Check power and ground at solenoid connector
- If necessary, replace the solenoid or repair the wiring.
Related codes
FAQ
What does the C1844 code mean?
C1844 is an OBD-II diagnostic trouble code that indicates: Air Suspension Secondary Front Inflator Solenoid Output Circuit Failure
What causes a C1844 error code?
The most common causes of C1844 include: Open or short circuit in wiring harness; Secondary supercharger solenoid malfunction; Problems with the suspension control module; Corroded contacts or poor connection.
How do I fix a C1844 diagnostic trouble code?
To fix C1844: Check air suspension circuit fuses. Inspect the wiring harness for damage. Check the solenoid resistance (compare with specifications). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1844?
Limited driving only, diagnose soon
How much does it cost to fix C1844?
The estimated repair cost for C1844 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat