Error code
OBD2 P2044
OBD2P2044
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Reductant Temperature Sensor Circuit Low Input.
Severity
moderateCan drive but should address soon to avoid potential emissions issues.
Summary
P2044 indicates that the reductant temperature sensor is reporting an abnormally low input signal, which could mean there's an issue with the wiring or the sensor itself.
Common Causes
- Wiring issues
- Faulty reductant temperature sensor
Fixes
- Inspect and repair any damaged wiring related to the reductant temperature sensor. Replace the sensor if it is faulty.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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