OBD Guide
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C1807

Air Suspension Vehicle Height Sensor Voltage

C1807 is an OBD-II diagnostic trouble code meaning: Air Suspension Vehicle Height Sensor Voltage. Common causes: open or short circuit in wiring harness, height sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of the air suspension
  • The car does not maintain the set height
  • Suspension fault indicator is on

Causes

  • Open or short circuit in wiring harness
  • Height sensor malfunction
  • Contact corrosion
  • Problems with the suspension control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect the sensor contacts for corrosion
  3. Test the height sensor with a multimeter
  4. Replace sensor if necessary

Related codes

C1710C1715C1760

FAQ

What does the C1807 code mean?

C1807 is an OBD-II diagnostic trouble code that indicates: Air Suspension Vehicle Height Sensor Voltage

What causes a C1807 error code?

The most common causes of C1807 include: Open or short circuit in wiring harness; Height sensor malfunction; Contact corrosion; Problems with the suspension control unit.

How do I fix a C1807 diagnostic trouble code?

To fix C1807: Check the integrity of the wiring harness. Inspect the sensor contacts for corrosion. Test the height sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1807?

Limited driving only, diagnose soon

How much does it cost to fix C1807?

The estimated repair cost for C1807 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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