P2047
Reductant Injection Valve Circuit/Open Bank 1 Unit 1
P2047 is an OBD-II diagnostic trouble code meaning: Reductant Injection Valve Circuit/Open Bank 1 Unit 1. Common causes: open or short circuit in valve wiring, malfunction of the reagent injection valve itself. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Possible SCR system error messages
- Increased NOx emissions
- Engine power limitation (on some models)
- Unpleasant exhaust smell
Causes
- Open or short circuit in valve wiring
- Malfunction of the reagent injection valve itself
- Problems with connectors or contact corrosion
- Engine control unit malfunction
- Mechanical damage to system components
How to Fix
- Check the integrity of the valve circuit wiring and connectors
- Check valve resistance (compare with nameplate values)
- Inspect the valve for mechanical damage
- Check power and control signals at the valve connector
- If necessary, replace the reagent injection valve
Related codes
Error P2047 by Vehicle Brand
FAQ
What does the P2047 code mean?
P2047 is an OBD-II diagnostic trouble code that indicates: Reductant Injection Valve Circuit/Open Bank 1 Unit 1
What causes a P2047 error code?
The most common causes of P2047 include: Open or short circuit in valve wiring; Malfunction of the reagent injection valve itself; Problems with connectors or contact corrosion; Engine control unit malfunction.
How do I fix a P2047 diagnostic trouble code?
To fix P2047: Check the integrity of the valve circuit wiring and connectors. Check valve resistance (compare with nameplate values). Inspect the valve for mechanical damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2047?
Yes, but get it checked soon
How much does it cost to fix P2047?
The estimated repair cost for P2047 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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