P2054
Reductant Injection Valve Circuit Low Bank 1 Unit 2
P2054 is an OBD-II diagnostic trouble code meaning: Reductant Injection Valve Circuit Low Bank 1 Unit 2. Common causes: reagent injection valve malfunction, open or short circuit in control circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Possible reduction in engine power
- Increased urea consumption (AdBlue)
- Increased NOx emissions
- The SCR system goes into emergency mode
Causes
- Reagent injection valve malfunction
- Open or short circuit in control circuit
- Poor contact in connectors
- SCR control unit malfunction
- Circuit power problems
How to Fix
- Check valve control circuit integrity
- Check injection valve resistance
- Inspect connectors and contacts for corrosion
- Check the supply voltage of the circuit
- If necessary, replace the reagent injection valve
Related codes
Error P2054 by Vehicle Brand
FAQ
What does the P2054 code mean?
P2054 is an OBD-II diagnostic trouble code that indicates: Reductant Injection Valve Circuit Low Bank 1 Unit 2
What causes a P2054 error code?
The most common causes of P2054 include: Reagent injection valve malfunction; Open or short circuit in control circuit; Poor contact in connectors; SCR control unit malfunction.
How do I fix a P2054 diagnostic trouble code?
To fix P2054: Check valve control circuit integrity. Check injection valve resistance. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2054?
Yes, but get it checked soon
How much does it cost to fix P2054?
The estimated repair cost for P2054 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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