P2053

Reductant Injection Valve Circuit/Open Bank 1 Unit 2

Severity

🔴 High

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
Increased NOx emissions

Causes

Open or short circuit in the reagent injection valve circuit
Reagent injection valve malfunction
Problems with the SCR control module
Wiring harness damage
Corrosion of electrical connectors

How to Fix

Check the integrity of the wiring and connectors in the valve circuit
Check the resistance of the reagent injection valve
Check voltage at valve connectors
If necessary, replace the reagent injection valve
Check and reflash the SCR control module if necessary

Related codes

P204F P2054 P20EE