P20FC

Reductant Pump B Control Circuit Low

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Possible SCR error messages on the dashboard
Increased NOx emissions
Regeneration system malfunction

Causes

Open or short circuit in the pump control circuit
Reagent pump malfunction
Relay or fuse problems
SCR control unit malfunction
Poor contact in connectors

How to Fix

Check the integrity of the pump control circuit
Check fuses and relays of the SCR system
Check connectors and contacts for corrosion
Check the functionality of the reagent pump
Scan the control unit for additional errors

Related codes

P20FB P20FD P20FE