P2049
Reductant Injection Valve Circuit High Bank 1 Unit 1
P2049 is an OBD-II diagnostic trouble code meaning: Reductant Injection Valve Circuit High Bank 1 Unit 1. Common causes: open or short circuit in valve circuit, reagent injection valve malfunction. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unpleasant exhaust smell
- AdBlue system error message on the dashboard
Causes
- Open or short circuit in valve circuit
- Reagent injection valve malfunction
- Problems with the relay or circuit fuse
- Corrosion or poor contact in connectors
- Engine ECU malfunction
How to Fix
- Check valve control circuit integrity
- Check the resistance of the reagent injection valve
- Inspect connectors and wiring harness for damage
- Check the functionality of the relays and fuses
- If necessary, replace the reagent injection valve
Related codes
Error P2049 by Vehicle Brand
FAQ
What does the P2049 code mean?
P2049 is an OBD-II diagnostic trouble code that indicates: Reductant Injection Valve Circuit High Bank 1 Unit 1
What causes a P2049 error code?
The most common causes of P2049 include: Open or short circuit in valve circuit; Reagent injection valve malfunction; Problems with the relay or circuit fuse; Corrosion or poor contact in connectors.
How do I fix a P2049 diagnostic trouble code?
To fix P2049: Check valve control circuit integrity. Check the resistance of the reagent injection valve. Inspect connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2049?
Yes, but get it checked soon
How much does it cost to fix P2049?
The estimated repair cost for P2049 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat