OBD Guide

C0243

Engine Drag Control

C0243 is an OBD-II diagnostic trouble code meaning: Engine Drag Control. Common causes: malfunction of wheel speed sensors, damage to the system wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Check Engine light comes on
  • Reduced engine braking efficiency
  • Unstable operation of the transmission when releasing the gas
  • Activation of the stabilization system under normal conditions

Causes

  • Malfunction of wheel speed sensors
  • Damage to the system wiring harness
  • Problems with the engine ECU or ABS
  • Software failures in the control system
  • Malfunction of solenoids in the ABS system

How to Fix

  1. Check error codes in the ABS system
  2. Inspect the wiring harnesses and speed sensor connectors
  3. Check the functionality of the wheel speed sensors
  4. Test the operation of ABS solenoids
  5. Update ECU software if necessary
  6. Carry out road tests to check the system

Related codes

Error C0243 by Vehicle Brand

FAQ

What does the C0243 code mean?

C0243 is an OBD-II diagnostic trouble code that indicates: Engine Drag Control

What causes a C0243 error code?

The most common causes of C0243 include: Malfunction of wheel speed sensors; Damage to the system wiring harness; Problems with the engine ECU or ABS; Software failures in the control system.

How do I fix a C0243 diagnostic trouble code?

To fix C0243: Check error codes in the ABS system. Inspect the wiring harnesses and speed sensor connectors. Check the functionality of the wheel speed sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0243?

Limited driving only, diagnose soon

How much does it cost to fix C0243?

The estimated repair cost for C0243 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat