OBD Guide

C1767

Air Suspension Rear Height Sensor Low Signal Circuit Short To Battery

C1767 is an OBD-II diagnostic trouble code meaning: Air Suspension Rear Height Sensor Low Signal Circuit Short To Battery. Common causes: open or short circuit in wiring harness, sensor contact corrosion. Estimated repair cost: $167–389.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–389 (est.)

Symptoms

  • Incorrect operation of the air suspension
  • Underestimation or overestimation of ground clearance on one side
  • Suspension fault indicator is on
  • Error message on the instrument panel

Causes

  • Open or short circuit in wiring harness
  • Sensor contact corrosion
  • Height sensor malfunction
  • Problems with the suspension control unit
  • Mechanical damage to wires

How to Fix

  1. Visual inspection of the wiring harness and sensor contacts
  2. Checking the resistance and continuity of the sensor circuit
  3. Diagnosing sensor signals with a multimeter or oscilloscope
  4. Checking the operation of the sensor when moving the suspension
  5. Replacing the sensor or repairing the harness if necessary
  6. Reset errors and re-diagnosis

Related codes

FAQ

What does the C1767 code mean?

C1767 is an OBD-II diagnostic trouble code that indicates: Air Suspension Rear Height Sensor Low Signal Circuit Short To Battery

What causes a C1767 error code?

The most common causes of C1767 include: Open or short circuit in wiring harness; Sensor contact corrosion; Height sensor malfunction; Problems with the suspension control unit.

How do I fix a C1767 diagnostic trouble code?

To fix C1767: Visual inspection of the wiring harness and sensor contacts. Checking the resistance and continuity of the sensor circuit. Diagnosing sensor signals with a multimeter or oscilloscope. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1767?

Limited driving only, diagnose soon

How much does it cost to fix C1767?

The estimated repair cost for C1767 is $167–389. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat