OBD Guide
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C1869

Air Suspension Gate Solenoid Output Circuit Failure

C1869 is an OBD-II diagnostic trouble code meaning: Air Suspension Gate Solenoid Output Circuit Failure. Common causes: open or shorted solenoid circuit, control solenoid malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Uneven body height
  • Suspension is not adjustable
  • Suspension fault indicator is on
  • Hard or too soft suspension

Causes

  • Open or shorted solenoid circuit
  • Control solenoid malfunction
  • Power or grounding problems
  • Contact corrosion
  • Suspension control module malfunction

How to Fix

  1. Check the integrity of the wiring harness to the solenoid
  2. Measure the solenoid resistance (should be 10-30 ohms)
  3. Check the voltage at the solenoid connector with the ignition on.
  4. Clean contacts from corrosion
  5. Replace solenoid or wiring harness if necessary

Related codes

C1868C1870C1871

FAQ

What does the C1869 code mean?

C1869 is an OBD-II diagnostic trouble code that indicates: Air Suspension Gate Solenoid Output Circuit Failure

What causes a C1869 error code?

The most common causes of C1869 include: Open or shorted solenoid circuit; Control solenoid malfunction; Power or grounding problems; Contact corrosion.

How do I fix a C1869 diagnostic trouble code?

To fix C1869: Check the integrity of the wiring harness to the solenoid. Measure the solenoid resistance (should be 10-30 ohms). Check the voltage at the solenoid connector with the ignition on.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1869?

Limited driving only, diagnose soon

How much does it cost to fix C1869?

The estimated repair cost for C1869 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat