P24DE

Reductant Purge Control Valve B Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Possible reduction in engine power
Increased consumption of reductant (AdBlue)
Increased NOx emissions
SCR error message on dashboard

Causes

Short circuit to positive in the valve control circuit
Reductant purge valve B faulty
Broken or damaged wiring harness
Problems with the SCR control unit
Corrosion of contacts or connectors

How to Fix

Check the integrity of the wiring harness and connectors
Measure the resistance of the reductant purge valve B
Check control circuit voltage
Replace faulty valve if necessary
Clean or replace damaged connectors

Related codes

P24DD P24DF P24E0