P202E

Reductant Injection Valve Circuit Range/Performance Bank 1 Unit 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
SCR system error message on dashboard
Unpleasant exhaust smell

Causes

Reagent injection valve malfunction
Open or short circuit in valve circuit
Problems with the wiring harness or connectors
Valve is dirty or clogged
SCR control module malfunction

How to Fix

Check the integrity of the valve circuit and connectors
Check valve resistance (compare with factory values)
Clean or replace the reagent injection valve if necessary
Check the operation of the SCR system using a diagnostic scanner
If necessary, replace the reagent injection valve

Related codes

P202F P2030 P2031