P2044
Reductant Temperature Sensor A Circuit Low
P2044 is an OBD-II diagnostic trouble code meaning: Reductant Temperature Sensor A Circuit Low. Common causes: reagent temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Check Engine Light Is On
- Reduced efficiency of the SCR system
- Possible increase in fuel consumption
- Engine power limitation (on some models)
Causes
- Reagent temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in wiring connectors
- Problems with the SCR control unit
- Corroded contacts or damaged wiring
How to Fix
- Check the continuity of the temperature sensor circuit
- Inspect connectors and contacts for corrosion
- Check the resistance of the temperature sensor
- Replace temperature sensor if necessary
- Check and, if necessary, update the software of the control unit
Related codes
Error P2044 by Vehicle Brand
FAQ
What does the P2044 code mean?
P2044 is an OBD-II diagnostic trouble code that indicates: Reductant Temperature Sensor A Circuit Low
What causes a P2044 error code?
The most common causes of P2044 include: Reagent temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in wiring connectors; Problems with the SCR control unit.
How do I fix a P2044 diagnostic trouble code?
To fix P2044: Check the continuity of the temperature sensor circuit. Inspect connectors and contacts for corrosion. Check the resistance of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2044?
Yes, but get it checked soon
How much does it cost to fix P2044?
The estimated repair cost for P2044 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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