OBD Guide

C1885

Air Suspension Right Rear Height Sensor Circuit Failure

C1885 is an OBD-II diagnostic trouble code meaning: Air Suspension Right Rear Height Sensor Circuit Failure. Common causes: open or shorted sensor wiring harness, oxidation of contacts in connectors. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Incorrect body height on one side
  • Suspension fault light is on
  • Suspension does not automatically adjust height
  • Harsh rear impacts on bumps

Causes

  • Open or shorted sensor wiring harness
  • Oxidation of contacts in connectors
  • Mechanical damage to the level sensor
  • Suspension control module malfunction
  • Problems with power or circuit ground

How to Fix

  1. Carry out diagnostics using a scanner, check the current parameters of the sensor
  2. Visually inspect the wiring harness and connectors for damage.
  3. Check the resistance and voltage in the sensor circuit
  4. Test the level sensor (usually 3-wire: power, ground, signal)
  5. If necessary, replace the sensor or repair a break in the wiring

Related codes

FAQ

What does the C1885 code mean?

C1885 is an OBD-II diagnostic trouble code that indicates: Air Suspension Right Rear Height Sensor Circuit Failure

What causes a C1885 error code?

The most common causes of C1885 include: Open or shorted sensor wiring harness; Oxidation of contacts in connectors; Mechanical damage to the level sensor; Suspension control module malfunction.

How do I fix a C1885 diagnostic trouble code?

To fix C1885: Carry out diagnostics using a scanner, check the current parameters of the sensor. Visually inspect the wiring harness and connectors for damage.. Check the resistance and voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1885?

Limited driving only, diagnose soon

How much does it cost to fix C1885?

The estimated repair cost for C1885 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat