OBD Guide
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C1874

Air Suspension Right Front Air Spring Solenoid Output Circuit Open

C1874 is an OBD-II diagnostic trouble code meaning: Air Suspension Right Front Air Spring Solenoid Output Circuit Open. Common causes: broken or damaged wiring harness, corroded or oxidized solenoid contacts. Estimated repair cost: $56–167.

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

Symptoms

  • Uneven vehicle position (right front corner lower/higher)
  • Suspension error message on dashboard
  • Unstable operation of the air suspension

Causes

  • Broken or damaged wiring harness
  • Corroded or oxidized solenoid contacts
  • Air spring solenoid malfunction
  • Problems with the suspension control module

How to Fix

  1. Check the integrity of the wiring harness to the solenoid
  2. Clean solenoid connector contacts
  3. Check the solenoid resistance (should be between 10-20 ohms)
  4. Replace solenoid or wiring harness if necessary
  5. Reset the error and check the suspension operation

Related codes

C1870C1871C1872C1873

FAQ

What does the C1874 code mean?

C1874 is an OBD-II diagnostic trouble code that indicates: Air Suspension Right Front Air Spring Solenoid Output Circuit Open

What causes a C1874 error code?

The most common causes of C1874 include: Broken or damaged wiring harness; Corroded or oxidized solenoid contacts; Air spring solenoid malfunction; Problems with the suspension control module.

How do I fix a C1874 diagnostic trouble code?

To fix C1874: Check the integrity of the wiring harness to the solenoid. Clean solenoid connector contacts. Check the solenoid resistance (should be between 10-20 ohms). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1874?

Limited driving only, diagnose soon

How much does it cost to fix C1874?

The estimated repair cost for C1874 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat