P208A

Reductant Pump A Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Increased fuel consumption
SCR system error message on dashboard
Unpleasant exhaust smell

Causes

Open or short circuit in the pump wiring harness
Pump solenoid valve malfunction
Pump control relay problems
Corrosion of electrical connectors
Engine control unit malfunction

How to Fix

Check the integrity of the reagent pump wiring harness
Test the resistance of the pump winding
Check the voltage at the pump connector
Inspect and clean electrical contacts
If necessary, replace the reagent pump

Related codes

P2088 P208B P2089