OBD Guide

C1877

Air Suspension Left Front Air Spring Solenoid Output Circuit Failure

C1877 is an OBD-II diagnostic trouble code meaning: Air Suspension Left Front Air Spring Solenoid Output Circuit Failure. Common causes: solenoid control circuit open, short circuit in wiring harness. Estimated repair cost: $22–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Lowering or lack of adjustment of the left front suspension
  • Air suspension error lamp flashing
  • Hard suspension on one side
  • Body tilt left

Causes

  • Solenoid control circuit open
  • Short circuit in wiring harness
  • Solenoid valve malfunction
  • Damage to connectors or corrosion of contacts
  • Suspension control module (ASCM) failure
  • Broken air line to the air spring

How to Fix

  1. Visual inspection of connectors and wires for damage
  2. Checking the solenoid resistance (check the value in the manual)
  3. Diagnostics of multimeter/oscilloscope control circuits
  4. Blowing air lines for leaks
  5. Replacing a faulty solenoid or repairing a harness
  6. Reset ASCM errors and test run the system

Related codes

FAQ

What does the C1877 code mean?

C1877 is an OBD-II diagnostic trouble code that indicates: Air Suspension Left Front Air Spring Solenoid Output Circuit Failure

What causes a C1877 error code?

The most common causes of C1877 include: Solenoid control circuit open; Short circuit in wiring harness; Solenoid valve malfunction; Damage to connectors or corrosion of contacts.

How do I fix a C1877 diagnostic trouble code?

To fix C1877: Visual inspection of connectors and wires for damage. Checking the solenoid resistance (check the value in the manual). Diagnostics of multimeter/oscilloscope control circuits. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1877?

Limited driving only, diagnose soon

How much does it cost to fix C1877?

The estimated repair cost for C1877 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat