P2055

Reductant Injection Valve Circuit High 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
Activating emergency mode
Increased fuel consumption
SCR system error message on dashboard

Causes

Reagent injection valve malfunction
Open or short circuit in control circuit
Poor contact in connectors
Contact corrosion
Engine control unit malfunction

How to Fix

Check valve control circuit integrity
Check connectors and contacts for corrosion
Check the resistance of the reagent injection valve
If necessary, replace the reagent injection valve
Check and, if necessary, reflash the engine control unit

Related codes

P2054 P2056 P20EE