P2052

Reductant Injection Valve Circuit High Bank 2 Unit 1

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Increased fuel consumption
SCR System Error Message
Urea smell from the exhaust system

Causes

Reagent injection valve malfunction
Open or short circuit in control circuit
Connector problems or contact corrosion
SCR control unit malfunction
Wiring harness damage

How to Fix

Check valve control circuit integrity
Inspect connectors and contacts for corrosion
Check injection valve resistance
Replace the reagent injection valve if necessary
Check and, if necessary, replace the SCR control unit

Related codes

P204F P2053 P2054