# U0140 on the 2014 Dodge Durango

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.

## Bulletins for this model year that name U0140

- [10228114](https://open.wenmarpro.com/bulletins/10228114), 2022-12-19: Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. The following powertrain system improvements/enhancements are included in this software release. These symptoms are broken down by vehicle: 2015 WK 3.0L engine \(Sales Code EHD\) · \*\* P0456 \- EVAP System Small Leak.\*\* · Enhancements to remote engine start. 2015 WK 5.7L engine \(Sales Code EZH\) · \*\* P0456 \- EVAP System Small Leak.\*\* · U0140\-00 \- Lost Communication with Body Control Module \(BCM\). · Enhancements to improve a slight lag or hesitation during Multi Displacement System \(MDS\) mode transitions. · Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. 2014 WD 5.7L engine \(Sales Code EZH\) · Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. 2015 WD 5.7L engine \(Sales Code EZH\) · \*\* P0456 \- EVAP System Small Leak.\*\* · Enhancements to remote engine start.
- [10218209](https://open.wenmarpro.com/bulletins/10218209), 2022-08-22: Flash: 5.7L Powertrain Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. The following powertrain system improvements/enhancements are included in this software release. These symptoms are broken down by vehicle. 2015 WK ? Enhancements to improve a slight lag or hesitation during Multi Displacement System \(MDS\) mode transitions. ? Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. ? Malfunction Indicator Lamp \(MIL\) illuminated with Diagnostic Trouble Code \(DTC\) U0140\-00 \- Lost Communication with Body Control Module \(BCM\). 2014 WD ? Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start.
- [10181479](https://open.wenmarpro.com/bulletins/10181479), 2020-10-26: Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. The following powertrain system improvements/enhancements are included in this software release. These symptoms are broken down by vehicle: 2015 WK 3.0L engine \(Sales Code EHD\) · \*\* P0456 \- EVAP System Small Leak.\*\* · Enhancements to remote engine start. 2015 WK 5.7L engine \(Sales Code EZH\) · \*\* P0456 \- EVAP System Small Leak.\*\* · U0140\-00 \- Lost Communication with Body Control Module \(BCM\). · Enhancements to improve a slight lag or hesitation during Multi Displacement System \(MDS\) mode transitions. · Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. 2014 WD 5.7L engine \(Sales Code EZH\) · Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. 2015 WD 5.7L engine \(Sales Code EZH\) · \*\* P0456 \- EVAP System Small Leak.\*\* · Enhancements to remote engine start.
- [10159963](https://open.wenmarpro.com/bulletins/10159963), 2019-05-20: Flash: Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. A small number of customers may experience one or more of the symptoms/conditions listed below or a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set. If any of the following DTCs have been set perform the Diagnosis: \- U0140 \- Lost Communication With Body Control Module. Attempting to clear this DTC will be unsuccessful. \- P0300 \- Multiple Cylinder Misfire \(only applies to 5.7L engines\). \- P0573 \- Brake Switch 1 Stuck Off. The following powertrain system improvements/enhancements are also included in this software release: \- Corrected a generic scan tool display issue regarding Mode 6 data accuracy. \- Improved transmission Quick Learn routine performance \(only applies to 5.7L engines\).
- [10159906](https://open.wenmarpro.com/bulletins/10159906), 2019-05-20: Flash: Powertrain Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. The following powertrain system improvements/enhancements are included in this software release. These symptoms are broken down by vehicle. 2015 WK 3.0L engine \(Sales Code EHD\) ? Enhancements to remote engine start. 2015 WK 5.7L engine \(Sales Code EZH\) ? Enhancements to improve a slight lag or hesitation during Multi Displacement System \(MDS\) mode transitions. ? Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. ? Malfunction Indicator Lamp \(MIL\) illuminated with Diagnostic Trouble Code \(DTC\) U0140\-00 \- Lost Communication with Body Control Module \(BCM\). 2014 WD 5.7L engine \(Sales Code EZH\) ? Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. 2015 WD 5.7L engine \(Sales Code EZH\) ? Enhancements to remote engine start.
- [10141279](https://open.wenmarpro.com/bulletins/10141279), 2018-06-18: Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. The following powertrain system improvements/enhancements are included in this software release. These symptoms are broken down by vehicle: 2015 WK 3.0L engine \(Sales Code EHD\) · \*\* P0456 \- EVAP System Small Leak.\*\* · Enhancements to remote engine start. 2015 WK 5.7L engine \(Sales Code EZH\) · \*\* P0456 \- EVAP System Small Leak.\*\* · U0140\-00 \- Lost Communication with Body Control Module \(BCM\). · Enhancements to improve a slight lag or hesitation during Multi Displacement System \(MDS\) mode transitions. · Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. 2014 WD 5.7L engine \(Sales Code EZH\) · Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. 2015 WD 5.7L engine \(Sales Code EZH\) · \*\* P0456 \- EVAP System Small Leak.\*\* · Enhancements to remote engine start.
- [10139842](https://open.wenmarpro.com/bulletins/10139842), 2018-06-11: Flash: 5.7L Powertrain Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. The following powertrain system improvements/enhancements are included in this software release. These symptoms are broken down by vehicle. 2015 WK \* Enhancements to improve a slight lag or hesitation during Multi Displacement System \(MDS\) mode transitions. \* Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. \* Malfunction Indicator Lamp \(MIL\) illuminated with Diagnostic Trouble Code \(DTC\) U0140\-00 \- Lost Communication with Body Control Module \(BCM\). 2014 WD \* Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start.