OBD Guide

C1124

Rear Left Input ABS Solenoid

C1124 is an OBD-II diagnostic trouble code meaning: Rear Left Input ABS Solenoid. Common causes: open or short circuit in wiring harness, abs solenoid malfunction. Estimated repair cost: $167–333.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–333 (est.)

Symptoms

  • The ABS indicator on the dashboard is on
  • Reduced braking efficiency on slippery roads
  • Activation of the stabilization system (if equipped)

Causes

  • Open or short circuit in wiring harness
  • ABS solenoid malfunction
  • Problems with the ABS control module
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the integrity of the wiring harness to the solenoid
  2. Check the solenoid resistance with a multimeter
  3. Inspect connectors for corrosion
  4. Replace ABS solenoid if necessary
  5. Reflash or replace the ABS module (if required)

Related codes

FAQ

What does the C1124 code mean?

C1124 is an OBD-II diagnostic trouble code that indicates: Rear Left Input ABS Solenoid

What causes a C1124 error code?

The most common causes of C1124 include: Open or short circuit in wiring harness; ABS solenoid malfunction; Problems with the ABS control module; Corrosion or poor contact in connectors.

How do I fix a C1124 diagnostic trouble code?

To fix C1124: Check the integrity of the wiring harness to the solenoid. Check the solenoid resistance with a multimeter. Inspect connectors for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1124?

Limited driving only, diagnose soon

How much does it cost to fix C1124?

The estimated repair cost for C1124 is $167–333. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat