C1891
Air Suspension Left Front Height Sensor Circuit Short To Battery
C1891 is an OBD-II diagnostic trouble code meaning: Air Suspension Left Front Height Sensor Circuit Short To Battery. Common causes: wiring harness damage, short circuit in the sensor circuit. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of the air suspension
- The suspension fault light comes on
- The car may roll to one side
- The suspension system goes into emergency mode
Causes
- Wiring harness damage
- Short circuit in the sensor circuit
- Height sensor malfunction
- Oxidation or corrosion of contacts
- Problems with the suspension control unit
How to Fix
- Visual inspection of the wiring harness and sensor contacts
- Checking the resistance and voltage in the sensor circuit
- Replacing damaged wires or connectors
- Check and replace the height sensor if necessary
- Resetting the error and testing the suspension system
Related codes
FAQ
What does the C1891 code mean?
C1891 is an OBD-II diagnostic trouble code that indicates: Air Suspension Left Front Height Sensor Circuit Short To Battery
What causes a C1891 error code?
The most common causes of C1891 include: Wiring harness damage; Short circuit in the sensor circuit; Height sensor malfunction; Oxidation or corrosion of contacts.
How do I fix a C1891 diagnostic trouble code?
To fix C1891: Visual inspection of the wiring harness and sensor contacts. Checking the resistance and voltage in the sensor circuit. Replacing damaged wires or connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1891?
Limited driving only, diagnose soon
How much does it cost to fix C1891?
The estimated repair cost for C1891 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat