OBD Guide

P24DD

Reductant Purge Control Valve B Circuit Low

P24DD is an OBD-II diagnostic trouble code meaning: Reductant Purge Control Valve B Circuit Low. Common causes: reductant purge valve b faulty, open or short circuit in control circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased reductant consumption
  • Increased NOx emissions
  • Possible SCR system error messages

Causes

  • Reductant purge valve B faulty
  • Open or short circuit in control circuit
  • Poor contact in circuit connectors
  • Engine control unit malfunction
  • Problems with power or grounding of the circuit

How to Fix

  1. Check valve control circuit integrity
  2. Check connectors and connections for corrosion or damage
  3. Check the resistance and operation of the purge valve
  4. If necessary, replace the reductant purge valve
  5. Check and, if necessary, update the software of the control unit

Related codes

Error P24DD by Vehicle Brand

FAQ

What does the P24DD code mean?

P24DD is an OBD-II diagnostic trouble code that indicates: Reductant Purge Control Valve B Circuit Low

What causes a P24DD error code?

The most common causes of P24DD include: Reductant purge valve B faulty; Open or short circuit in control circuit; Poor contact in circuit connectors; Engine control unit malfunction.

How do I fix a P24DD diagnostic trouble code?

To fix P24DD: Check valve control circuit integrity. Check connectors and connections for corrosion or damage. Check the resistance and operation of the purge valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24DD?

Yes, but get it checked soon

How much does it cost to fix P24DD?

The estimated repair cost for P24DD is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat