P24DF

Reductant Purge Control Valve B Stuck Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$50–133 (est.)

Symptoms

Increased consumption of AdBlue reagent
Check Engine Light Illuminates
Reduced engine power
SCR error message on dashboard
Unpleasant smell of urea from the exhaust system

Causes

Mechanical valve jamming
Valve wiring problems
Control relay malfunction
Short circuit in control circuit
Control unit software error

How to Fix

Check the condition of the reagent purge valve
Check the integrity of the wiring harness and connectors
Check the operation of the control relay
Test valve coil resistance
If necessary, replace the purge valve

Related codes

P24DD P24E0 P24E1