Reductant Purge Control Valve B Stuck Open

Where it lives

For P24DF, start at the valve the description names.

Check these first

• A reductant purge control valve B stuck open
• Debris that holds the purge valve B open
• A purge valve B control circuit that keeps it energized
• A failed purge valve B solenoid

What to do next

1. Command the reductant purge control valve B with a scan tool
2. Check whether the valve closes when commanded
3. Inspect purge valve B for debris that holds it open
4. Test the purge valve B control circuit
5. Replace the reductant purge control valve B if it stays open
6. Clear the code and retest

Look up another code