OBD Guide

P2053

Reductant Injection Valve Circuit/Open Bank 1 Unit 2

P2053 is an OBD-II diagnostic trouble code meaning: Reductant Injection Valve Circuit/Open Bank 1 Unit 2. Common causes: open or short circuit in the reagent injection valve circuit, reagent injection valve malfunction. 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
  • Increased fuel consumption
  • SCR system error message on dashboard
  • Increased NOx emissions

Causes

  • Open or short circuit in the reagent injection valve circuit
  • Reagent injection valve malfunction
  • Problems with the SCR control module
  • Wiring harness damage
  • Corrosion of electrical connectors

How to Fix

  1. Check the integrity of the wiring and connectors in the valve circuit
  2. Check the resistance of the reagent injection valve
  3. Check voltage at valve connectors
  4. If necessary, replace the reagent injection valve
  5. Check and reflash the SCR control module if necessary

Related codes

Error P2053 by Vehicle Brand

FAQ

What does the P2053 code mean?

P2053 is an OBD-II diagnostic trouble code that indicates: Reductant Injection Valve Circuit/Open Bank 1 Unit 2

What causes a P2053 error code?

The most common causes of P2053 include: Open or short circuit in the reagent injection valve circuit; Reagent injection valve malfunction; Problems with the SCR control module; Wiring harness damage.

How do I fix a P2053 diagnostic trouble code?

To fix P2053: Check the integrity of the wiring and connectors in the valve circuit. Check the resistance of the reagent injection valve. Check voltage at valve connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2053?

Yes, but get it checked soon

How much does it cost to fix P2053?

The estimated repair cost for P2053 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

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