Code Definition

P044E — EGR temperature sensor signal intermittent sensor 3

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P044E

P044E is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P044E is stored, the module has detected a sensor-related fault — the reported value from the named sensor is out of spec.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

Because P044E is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

This fault code is set when the engine control module (ECM) detects an intermittent signal from the Exhaust Gas Recirculation (EGR) temperature sensor, identified as Sensor 3. An intermittent signal is characterized by erratic, inconsistent, or irregular readings that do not align with the expected sensor output under normal operating conditions. The ECM relies on the consistent and accurate data from this sensor to regulate the EGR system effectively, and intermittent readings can disrupt this process.

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