OBD Guide

P24A6

EGR Cooler Bypass Control Stuck/Open Bank 2

P24A6 is an OBD-II diagnostic trouble code meaning: EGR Cooler Bypass Control Stuck/Open Bank 2. Common causes: egr bypass valve mechanism jammed, depressurization of the vacuum control system. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Unstable idling
  • Increased fuel consumption
  • Possible detonation during acceleration

Causes

  • EGR bypass valve mechanism jammed
  • Depressurization of the vacuum control system
  • Open or short circuit in valve control circuit
  • EGR system contamination with carbon deposits
  • Control solenoid valve malfunction

How to Fix

  1. Check the condition of the EGR bypass valve for mechanical damage
  2. Test the valve control circuit
  3. Check vacuum hoses and connections for leaks
  4. Clean or replace EGR cooler bypass valve
  5. If necessary, replace the EGR cooler assembly

Related codes

Error P24A6 by Vehicle Brand

FAQ

What does the P24A6 code mean?

P24A6 is an OBD-II diagnostic trouble code that indicates: EGR Cooler Bypass Control Stuck/Open Bank 2

What causes a P24A6 error code?

The most common causes of P24A6 include: EGR bypass valve mechanism jammed; Depressurization of the vacuum control system; Open or short circuit in valve control circuit; EGR system contamination with carbon deposits.

How do I fix a P24A6 diagnostic trouble code?

To fix P24A6: Check the condition of the EGR bypass valve for mechanical damage. Test the valve control circuit. Check vacuum hoses and connections for leaks. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24A6?

Yes, but get it checked soon

How much does it cost to fix P24A6?

The estimated repair cost for P24A6 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat