Fault Code P2049
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2049
Reductant Injector Circuit High Bank 1 Unit 1
This code indicates an abnormally high voltage detected in the reductant injector (AdBlue/DEF) circuit for Bank 1 Unit 1.
Part Details
Part Name
Reductant Injector
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪800 - ₪2000
Engine Location
SCR system, near DEF injector
Symptoms
- Check Engine Light on
- Abnormal DEF consumption
- Poor engine performance
- Increased emissions
Possible Causes
- 1Internal failure of the reductant injector
- 2Short to positive in injector wiring
- 3Defective Engine Control Module (ECM)
- 4Faulty electrical connectors or corrosion
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