Chevrolet P144E: Closed Loop Diesel Particulate Filter (DPF) Regeneration Control At Limit - Stage 2 Temperature Too Low
Is your scanner showing Chevrolet P144E?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P144E: Closed Loop Diesel Particulate Filter (DPF) Regeneration Control At Limit - Stage 2 Temperature Too Low
OVERVIEWWhat Does The Chevrolet P144E Code Mean?
The engine run time is greater than 10 s. The engine speed is greater than 600 RPM. The ignition voltage is greater than 11 V. The ECM is commanding a DPF regeneration. The vehicle speed is between 24-200 km/h (15-124 mph). The exhaust temperature sensor 1 and 4 is greater than 230°C (446°F). The exhaust temperature sensor 1 and 4 is less than 750°C (1,382°F). The DTCs run continuously once the above conditions are met for 10 minutes.
The exhaust gas temperature is less than or greater than the calibrated desired temperature.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> APDTY 112785 EGT Exhaust Gas Temperature Sensor
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
- GM, 2015, Service Bullettin – Exhaust Gas Temperature Sensors Restriction.
- GM, 2015, Service Bullettin – Exhaust Gas Temperature Sensors Restriction Has Ended.
