U0401 on the 2015 Jeep Renegade
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.
| 2103215 | 2023-01-09. Service bulletin. Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) 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 one or more of the following Diagnostic Trouble Codes (DTCs). ? P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance ? P0887 - TCM Power Control Circuit High ? P1CC9 - Unable to Engage Gear ? P1D98 - Incorrect Gear Ratio Clutch B or D Defective ? U0401 - Implausible Data Received From ECM-PCM |
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| 2103116 | 2022-10-17. Service bulletin. Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) 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 TCM memory: P061B - Internal Control Module Torque Calculation Performance. P072F - Stuck In Gear 4. P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance (2015 BU only). P0887 - TCM Power Control Circuit High (2015 BU only). P1CC9 - Unable to Engage Gear (2015 BU only). P1D98 - Incorrect Gear Ratio Clutch B or D Defective (2015 BU only). U0401 - Implausible Data Received From ECM-PCM (2015 BU only).In addition, customers may experience the following conditions: CAN Bus message may drop out after a network restart. Harsh 1-2 Upshift. Harsh Garage Shifts (Park to Reverse or Drive). |
| 21-032-15 REVA | 2018-12-03. Service bulletin. Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or describe harsh shifting. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) or symptoms. ? Harsh 1-2 Upshift. ? Harsh Garage Shifts (Park to Reverse or Drive). ? P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance. ? P0887 - TCM Power Control Circuit High. ? P1CC9 - Unable to Engage Gear. ? P1D98 - Incorrect Gear Ratio Clutch B or D Defective. ? U0401 - Implausible Data Received From ECM-PCM. |
| 21-032-15 | 2018-11-26. Service bulletin. Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) 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 one or more of the following Diagnostic Trouble Codes (DTCs). ? P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance ? P0887 - TCM Power Control Circuit High ? P1CC9 - Unable to Engage Gear ? P1D98 - Incorrect Gear Ratio Clutch B or D Defective ? U0401 - Implausible Data Received From ECM-PCM |
| 21-042-17 | 2017-11-03. Service bulletin. Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one of the following DTCs have been set:P0887 - TCM Power Control Circuit High. P061B - Internal Control Module Torque Calculation Performance. P072F - Stuck In Fourth Gear. P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance(2015 BU Only). P1CC9 - Unable to Engage Gear(2015 BU Only). P1D98 - Incorrect Gear Ratio Clutch B or D Defective(2015 BU Only). U0401 - Implausible Data Received From ECM-PCM(2015 BU Only). In addition, customers may notice the following condition(s):Harsh 1-2 upshift. Harsh garage shifts (Park to Reverse or Drive). CAN bus message may drop out after a network restart. |
5 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.