OBD Guide

P2055

Reductant Injection Valve Circuit High Bank 1 Unit 2

P2055 is an OBD-II diagnostic trouble code meaning: Reductant Injection Valve Circuit High Bank 1 Unit 2. Common causes: reagent injection valve malfunction, open or short circuit in control circuit. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56โ€“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

  1. Check valve control circuit integrity
  2. Check connectors and contacts for corrosion
  3. Check the resistance of the reagent injection valve
  4. If necessary, replace the reagent injection valve
  5. Check and, if necessary, reflash the engine control unit

Related codes

Error P2055 by Vehicle Brand

FAQ

What does the P2055 code mean?

P2055 is an OBD-II diagnostic trouble code that indicates: Reductant Injection Valve Circuit High Bank 1 Unit 2

What causes a P2055 error code?

The most common causes of P2055 include: Reagent injection valve malfunction; Open or short circuit in control circuit; Poor contact in connectors; Contact corrosion.

How do I fix a P2055 diagnostic trouble code?

To fix P2055: Check valve control circuit integrity. Check connectors and contacts for corrosion. Check the resistance of the reagent injection valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2055?

Yes, but get it checked soon

How much does it cost to fix P2055?

The estimated repair cost for P2055 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

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