P2057

Reductant Injection Valve Circuit Low Bank 2 Unit 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increased NOx emissions
Check Engine Light Illuminates
Reduced engine power
Engine transition to emergency mode
SCR error message on dashboard

Causes

Open or short circuit in valve circuit
Reagent injection valve malfunction
Problems with the SCR control module
Corrosion of contacts or connectors
Faulty relay or fuse

How to Fix

Check valve circuit integrity
Check valve resistance
Inspect connectors and contacts for corrosion
Check fuses and relays
Replace the reagent injection valve if necessary

Related codes

P2058 P2059 P204F