Plant Ride Height Setting And/Or Tests Incomplete
Table of contents
C1991 MERCURY Possible Causes
- Calibrate the ride heights
How do I fix code C1991 MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the C1991 MERCURY code
The cost of diagnosing the C1991 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C1991 MERCURY Description
The Air Suspension Control Module monitors the Plant Ride Height Setting. The Air Suspension Control Module sets the OBDII code when the Plant Ride Height Setting is not to factory specifications.