OBD Guide

C1871

Air Suspension Gate Solenoid Output Circuit Short To Battery

C1871 is an OBD-II diagnostic trouble code meaning: Air Suspension Gate Solenoid Output Circuit Short To Battery. Common causes: wiring harness damage, short circuit in solenoid. Estimated repair cost: $56–333.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–333 (est.)

Symptoms

  • Incorrect operation of the air suspension
  • Ground clearance too high or low on one side
  • Suspension fault indicator is on
  • Suspension does not adjust body position

Causes

  • Wiring harness damage
  • Short circuit in solenoid
  • Problems with the air suspension control unit
  • Oxidation or damage to contacts
  • Mechanical damage to wiring

How to Fix

  1. Carry out air suspension diagnostics using a scanner
  2. Visually check the condition of the wiring harness
  3. Test the solenoid control circuit for a short circuit.
  4. Check solenoid resistance
  5. Replace damaged wires or solenoid
  6. If necessary, replace the suspension control unit

Related codes

FAQ

What does the C1871 code mean?

C1871 is an OBD-II diagnostic trouble code that indicates: Air Suspension Gate Solenoid Output Circuit Short To Battery

What causes a C1871 error code?

The most common causes of C1871 include: Wiring harness damage; Short circuit in solenoid; Problems with the air suspension control unit; Oxidation or damage to contacts.

How do I fix a C1871 diagnostic trouble code?

To fix C1871: Carry out air suspension diagnostics using a scanner. Visually check the condition of the wiring harness. Test the solenoid control circuit for a short circuit.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1871?

Limited driving only, diagnose soon

How much does it cost to fix C1871?

The estimated repair cost for C1871 is $56–333. Actual cost depends on your vehicle, location, and labor rates.

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