P2057
Reductant Injection Valve Circuit Low Bank 2 Unit 2
P2057 is an OBD-II diagnostic trouble code meaning: Reductant Injection Valve Circuit Low Bank 2 Unit 2. Common causes: open or short circuit in valve circuit, reagent injection valve malfunction. Estimated repair cost: $56–167.
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
Error P2057 by Vehicle Brand
FAQ
What does the P2057 code mean?
P2057 is an OBD-II diagnostic trouble code that indicates: Reductant Injection Valve Circuit Low Bank 2 Unit 2
What causes a P2057 error code?
The most common causes of P2057 include: Open or short circuit in valve circuit; Reagent injection valve malfunction; Problems with the SCR control module; Corrosion of contacts or connectors.
How do I fix a P2057 diagnostic trouble code?
To fix P2057: Check valve circuit integrity. Check valve resistance. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2057?
Yes, but get it checked soon
How much does it cost to fix P2057?
The estimated repair cost for P2057 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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