OBD-II code · Powertrain (generic, extended)
P2047 Reductant Injection Valve Circuit/Open (Bank 1 Unit 1)
Reductant Injection Valve Circuit/Open (Bank 1 Unit 1): the circuit is open. This valve doses reductant (DEF/AdBlue) into the exhaust for SCR NOx reduction.
Is it safe to drive with P2047?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySolenoid winding open
- PossibleOpen wire between PCM and valve
- PossibleConnector corroded
Symptoms
- Check engine light or NOx warning on
- AdBlue/DEF level or quality warning
- Possible no-start countdown after ignore period
- Failed emissions inspection (NOx)
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.7–3 h
- Emissions test
- Likely to fail
- Parts involved
- Reductant Injection Valve, Reductant Injection Harness
Related codes
- P2050Reductant Injection Valve Circuit/Open (Bank 2 Unit 1)
- P2053Reductant Injection Valve Circuit/Open (Bank 1 Unit 2)
- P2056Reductant Injection Valve Circuit/Open (Bank 2 Unit 2)
- P2044Reductant Temperature Sensor A Circuit Low
- P2045Reductant Temperature Sensor A Circuit High
- P2046Reductant Temperature Sensor A Circuit Intermittent
- P2048Reductant Injection Valve Circuit Low (Bank 1 Unit 1)
- P2049Reductant Injection Valve Circuit High (Bank 1 Unit 1)
- P204AReductant Pressure Sensor Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.