OBD Guide

P2050

Reductant Injection Valve Circuit/Open Bank 2 Unit 1

P2050 is an OBD-II diagnostic trouble code meaning: Reductant Injection Valve Circuit/Open Bank 2 Unit 1. Common causes: reagent injection valve circuit open, reagent injection valve malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Increased NOx emissions
  • Reduced engine power
  • SCR System Errors
  • Selective catalytic reduction system malfunction

Causes

  • Reagent injection valve circuit open
  • Reagent injection valve malfunction
  • Problems with wiring or connectors
  • SCR control module malfunction
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of the reagent injection valve circuit
  2. Check the condition of connectors and wiring
  3. Test the reagent injection valve
  4. Check the operation of the SCR control module
  5. Replace faulty components

Related codes

Error P2050 by Vehicle Brand

FAQ

What does the P2050 code mean?

P2050 is an OBD-II diagnostic trouble code that indicates: Reductant Injection Valve Circuit/Open Bank 2 Unit 1

What causes a P2050 error code?

The most common causes of P2050 include: Reagent injection valve circuit open; Reagent injection valve malfunction; Problems with wiring or connectors; SCR control module malfunction.

How do I fix a P2050 diagnostic trouble code?

To fix P2050: Check the integrity of the reagent injection valve circuit. Check the condition of connectors and wiring. Test the reagent injection valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2050?

Yes, but get it checked soon

How much does it cost to fix P2050?

The estimated repair cost for P2050 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat