P0401 on the 2009 Dodge Nitro
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 18-092-16 | 2022-09-26. Service bulletin. Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, the technician may find the following DTCs set in the PCM memory: · **U0140 - Lost Communication With Body Control Module (BCM) (10-12 MY only). · Auto Shutdown (ASD) Relay Enhancements To Improve Fuel Pump Relay Initialization At Key On - (10-12 MY only).** · P0401 - EGR System Performance. In addition the customer may notice one of the following conditions: · Hard to start, long crank time or even a no start. The customer may describe that If the gas pedal is pushed slightly the vehicle starts as expected (11 MY KA only). |
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| 18-092-16 | 2018-05-14. Service bulletin. Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, the technician may find the following DTCs set in the PCM memory: · **U0140 - Lost Communication With Body Control Module (BCM) (10-12 MY only). · Auto Shutdown (ASD) Relay Enhancements To Improve Fuel Pump Relay Initialization At Key On - (10-12 MY only).** · P0401 - EGR System Performance. In addition the customer may notice one of the following conditions: · Hard to start, long crank time or even a no start. The customer may describe that If the gas pedal is pushed slightly the vehicle starts as expected (11 MY KA only). |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.