OBD Guide

P2426

EGR Cooling Valve Control Circuit Low

P2426 is an OBD-II diagnostic trouble code meaning: EGR Cooling Valve Control Circuit Low. Common causes: egr cooling valve malfunction, open or short circuit in control circuit. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Check Engine light comes on
  • Deterioration of engine performance
  • Increased fuel consumption
  • Increased emissions of harmful substances
  • Unstable idling

Causes

  • EGR cooling valve malfunction
  • Open or short circuit in control circuit
  • Poor contact in circuit connectors
  • Engine control unit malfunction
  • Corroded or damaged wiring

How to Fix

  1. Check valve control circuit integrity
  2. Inspect connectors and contacts for corrosion
  3. Check EGR cooling valve resistance
  4. Replace faulty valve if necessary
  5. Scan the control unit for additional errors

Related codes

Error P2426 by Vehicle Brand

FAQ

What does the P2426 code mean?

P2426 is an OBD-II diagnostic trouble code that indicates: EGR Cooling Valve Control Circuit Low

What causes a P2426 error code?

The most common causes of P2426 include: EGR cooling valve malfunction; Open or short circuit in control circuit; Poor contact in circuit connectors; Engine control unit malfunction.

How do I fix a P2426 diagnostic trouble code?

To fix P2426: Check valve control circuit integrity. Inspect connectors and contacts for corrosion. Check EGR cooling valve resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2426?

Yes, but get it checked soon

How much does it cost to fix P2426?

The estimated repair cost for P2426 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat