C1851 - Air Suspension Warning Lamp Circuit Open

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

C1851 Possible Causes

  • Faulty Air Suspension Warning Lamp
  • Air Suspension Warning Lamp harness is open or shorted
  • Air Suspension Warning Lamp circuit poor electrical connection
  • Faulty Air Suspension Control Module

How do I fix code C1851

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 C1851 code

Labor: 1.0

The cost of diagnosing the C1851 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)

C1851 Description

The Air Suspension Control Module monitors the Air Suspension Warning Lamp. The Air Suspension Disable Switch sets the OBDII code when the Air Suspension Warning Lamp is not to factory specifications.
OBDII Code C1851 - Air Suspension Warning Lamp Circuit Open - AutoCodes.com

C1851 More Information

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