C1759
Air Suspension Front Height Sensor High Signal Circuit Short To Ground
C1759 is an OBD-II diagnostic trouble code meaning: Air Suspension Front Height Sensor High Signal Circuit Short To Ground. Common causes: damage to the height sensor wiring harness, signal wire short circuit to ground. Estimated repair cost: $56–167.
Symptoms
- Incorrect suspension operation
- Suspension system error illumination on the instrument panel
- Uneven vehicle ground clearance at the front
Causes
- Damage to the height sensor wiring harness
- Signal wire short circuit to ground
- Malfunction of the height sensor itself
- Corrosion or oxidation of contacts
How to Fix
- Perform a visual inspection of the height sensor wiring harness
- Check the resistance and continuity of the sensor circuit
- Clean or replace oxidized contacts
- Replace the height sensor if necessary
- Reset the error and check the system
Related codes
FAQ
What does the C1759 code mean?
C1759 is an OBD-II diagnostic trouble code that indicates: Air Suspension Front Height Sensor High Signal Circuit Short To Ground
What causes a C1759 error code?
The most common causes of C1759 include: Damage to the height sensor wiring harness; Signal wire short circuit to ground; Malfunction of the height sensor itself; Corrosion or oxidation of contacts.
How do I fix a C1759 diagnostic trouble code?
To fix C1759: Perform a visual inspection of the height sensor wiring harness. Check the resistance and continuity of the sensor circuit. Clean or replace oxidized contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1759?
Limited driving only, diagnose soon
How much does it cost to fix C1759?
The estimated repair cost for C1759 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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