OBD Guide

C1889

Air Suspension Left Front Height Sensor Circuit Failure

C1889 is an OBD-II diagnostic trouble code meaning: Air Suspension Left Front Height Sensor Circuit Failure. Common causes: open or shorted sensor wiring harness, poor contact in the sensor connector. 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 suspension fault light comes on
  • The car may roll to one side
  • Changing ground clearance without driver command

Causes

  • Open or shorted sensor wiring harness
  • Poor contact in the sensor connector
  • Malfunction of the height sensor itself
  • Problems with the suspension control unit

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Inspect the sensor connectors for oxidation or damage.
  3. Check the sensor resistance (compare with reference values)
  4. If necessary, replace the height sensor
  5. Reset the error and check the system operation

Related codes

FAQ

What does the C1889 code mean?

C1889 is an OBD-II diagnostic trouble code that indicates: Air Suspension Left Front Height Sensor Circuit Failure

What causes a C1889 error code?

The most common causes of C1889 include: Open or shorted sensor wiring harness; Poor contact in the sensor connector; Malfunction of the height sensor itself; Problems with the suspension control unit.

How do I fix a C1889 diagnostic trouble code?

To fix C1889: Check the integrity of the sensor wiring harness. Inspect the sensor connectors for oxidation or damage.. Check the sensor resistance (compare with reference values). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1889?

Limited driving only, diagnose soon

How much does it cost to fix C1889?

The estimated repair cost for C1889 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat