OBD Guide

C1873

Air Suspension Right Front Air Spring Solenoid Output Circuit Failure

C1873 is an OBD-II diagnostic trouble code meaning: Air Suspension Right Front Air Spring Solenoid Output Circuit Failure. Common causes: open or short circuit in wiring harness, air suspension solenoid valve malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • The vehicle may roll to the right front side
  • Uneven vehicle clearance
  • Suspension error message on dashboard
  • Hard suspension on one side

Causes

  • Open or short circuit in wiring harness
  • Air suspension solenoid valve malfunction
  • Problems with the suspension control unit
  • Corrosion of contacts or connectors
  • Mechanical damage to wires

How to Fix

  1. Check the integrity of the wiring harness to the right front solenoid
  2. Check the resistance and operation of the solenoid
  3. Inspect connectors and contacts for corrosion
  4. Check voltage on control circuit
  5. If necessary, replace the solenoid or repair the wiring.
  6. Reset the error and check the system operation

Related codes

FAQ

What does the C1873 code mean?

C1873 is an OBD-II diagnostic trouble code that indicates: Air Suspension Right Front Air Spring Solenoid Output Circuit Failure

What causes a C1873 error code?

The most common causes of C1873 include: Open or short circuit in wiring harness; Air suspension solenoid valve malfunction; Problems with the suspension control unit; Corrosion of contacts or connectors.

How do I fix a C1873 diagnostic trouble code?

To fix C1873: Check the integrity of the wiring harness to the right front solenoid. Check the resistance and operation of the solenoid. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1873?

Limited driving only, diagnose soon

How much does it cost to fix C1873?

The estimated repair cost for C1873 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat