U0140 · Manufacturer communications

DODGE, JEEP · 2015-11-26

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…

DODGE · 2015-11-21

Flash: Diagnostic And System Improvements This bulletin involves diagnosis and selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software or if necessary replacing the PCM based on the DIAGNOSIS. This new software once reprogrammed in the PCM will prevent the need to replace the PCM when the Diagnostic Trouble Codes (DTCs) listed below occur as a pair. 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 the following Diagnostic Trouble Code (DTCs): Upon further investigation the Technician may find that any of the following Diagnostic Trouble Codes have been set. If any of the following DTC's have been set…

CHRYSLER, DODGE · 2015-11-21

Flash: 3.6L Powertrain 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 the following symptom or conditions or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code: ? U0140 - Lost Communication With Body Control Module (BCM). ? Garage shift engagements into D may be harsh at times after shutdowns of 10-30 minute duration. ? Harsh upshifts generated by backing out of the accelerator pedal. ? Harsh shifts can be felt after acceleration/deceleration driving maneuvers from a stop. ? P0606 - Internal Control Processor. ? Accuracy improvements for the Automatic…

CHRYSLER, DODGE · 2015-11-21

Flash: 5.7L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience one or more of the following symptoms or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the Powertrain Control Module (PCM): ? U0140 - Lost Communication With Body Control Module (LD and LX). ? U0140 - Lost Communication With Body Control Module (TIPM) stored in the Engine Control Module (ECM) memory (LC vehicles). ? P1621 - O2 Sensor Reference Voltage Circuit Low. ? P1622 - O2 Sensor Reference Voltage Circuit High. ? P0606 - Internal Control Processor. ? P219A -…

CHALET, DODGE, RAM · 2015-11-21

Flash: MIL Illumination With Transmission And Driveability Improvements This bulletin involves flash reprogramming the Powertrain Control Module (PCM) with new software. The customer may experience a MIL illumination. Upon further investigation the technician may find that any of the following erroneous Diagnostic Trouble Codes (DTCs): ? U0140 - Lost Communication With Body Control Module. 2010 DJ 5.7L (Sales Code EZC) Attempting to clear this DTC will be unsuccessful. ? P050D - Cold Start Rough Idle. ? P2181 - Cooling System Performance has been set. ? P0935 - Line Pressure Sensor Circuit High. All RFE transmissions. P0300 through P0308 - Multiple and Single Cylinder Misfire. This condition can occur when the vehicle is started cold and the driver immediately places the vehicle in drive…

CHRYSLER, DODGE, RAM · 2015-11-21

Flash: Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or a less than desired powertrain response when operating their vehicles in high ambient temperatures. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTCs) in the PCM: ? U0140 - Lost Communication With Body Control Module (BCM) (VF, LD, LX Vehicles only). ? P0606 - Internal Control Processor.

CHRYSLER, DODGE · 2015-11-20

Flash: Diagnostic And System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more one of the following Diagnostic Trouble Codes (DTCs) set in the Powertrain Control Module (PCM): ? U0140 - Lost Communication With Body Control Module. ? P0456 - Evap System Small Leak.

CHRYSLER, DODGE · 2015-11-19

Flash: PCM Software Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new 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) set in the Powertrain Control Module (PCM): ? U0140 - Lost Communication With Body Control Module. ? U0401 - Implausible Data Received From ECM/PCM. ? P0441 - Evap Purge System Performance. ? P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. This software update also has improvements for fuel pump relay cycling during remote starts.

RAM · 2015-11-17

Flash: Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. NOTE: This bulletin contains optional software update that should only be used in situations where the customer is specifically complaining of a Drone Noise, Shudder, Pulsation, or Vibration under light throttle applications while vehicle is operating in MDS/ECO mode. There will be two separate software options displayed on the wiTECH flash tab. The software file released for this condition contains the verbiage ?OPTIONAL?. The other file is the standard software that does not contain improvements for the Drone/Shudder concern. If for some reason the customer finds this shudder improvement objectionable, the PCM software may be returned/reflashed to the…

CHRYSLER · 2015-11-17

Flash: Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or a less than desired powertrain response when operating their vehicles in high ambient temperatures. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTCs) in the PCM: ? U0140 - Lost Communication With Body Control Module (BCM) (LD, LX Vehicles only). ? P0606 - Internal Control Processor. The following powertrain system improvements/enhancements are included in this software release: ? Corrected a generic scan tool display issue regarding Mode 6 data accuracy.

CHRYSLER · 2015-11-13

Flash: 3.6L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software. The following powertrain system improvements/enhancements are included in this software release: ? P0480 Cooling Fan 1 Control Circuit/open. ? P0456 EVAP System Small Leak. ? U0402 Implausible Data Received From TCM. ? P0441 EVAP Purge System Performance. ? P0116 Engine Coolant Temperature Sensor Performance. ? New software to address customer?s concern of extended crank times when starting engine. ? Software to enable the clearing of erroneous DTC U0140 Loss of communication with the Body Control Module (BCM). ? New software to enable the ?Transmission Quick Learn? feature.

DODGE · 2015-11-13

Flash: 2.4L, 3.6L Powertrain System Improvements/Enhancements 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: Vehicles equipped with a 2.4L engine (sales code ED3 or ED7). ? U0140 - Lost Communication With Body Control Module. Attempting to clear the DTC may be unsuccessful. ? P0456 - Evap purge system small leak. ? 2-1 downshift improvement. ? Charging system duty cycle enhancement to improve starting performance in low ambient temperatures. ? P219A - Bank 1 Air-Fuel Ratio Imbalance. ? Enhanced Automatic Oil Change Indicator (EAOCI) system enhancements that force the use of the severe duty cycle algorithm anytime the PCM is…

CADILLAC, CHEVROLET, GMC · 2015-11-12

This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank with multiple diagnostic trouble codes. If any of the following diagnostic trouble codes U0073, U0078, U0029, U0028, U0415, U0140, U0126, U0121, U0101, U0100, C0544, U1510, U0073, B127B, B2605, B3600,C0800, U0428, and U0452 set in the vehicle. Check the body control module ground at the G218 location. The front dash insulator mat may be trapped between the ground eyelet and the body stud. Remove the round nut and eyelet and cut the front dash insulator mat away from the ground stud so it no longer interferes with the ground stud and reinstall the eyelet and ground nut.

CHRYSLER, DODGE · 2015-11-11

Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. The customer may describe hearing the fuel pump relay cycling during remote start or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM: ? U0140 - Lost Communication With Body Control Module (BCM). ? P06DD - Engine Oil Pressure Control Circuit Stuck Off. ? P0522 - Engine Oil Pressure Sensor Circuit Low. ? P0108 - Manifold Absolute Pressure Sensor Circuit High. ? P1239 - Engine Oil Temperature Too Low. ? P0298 - Engine Oil Temperature Too High.

DODGE, JEEP · 2015-11-05

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…

RAM · 2015-11-04

Flash: Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. During normal diagnostics a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) present: ? P3426 - Cylinder 4 Deactivation Control Performance. ? P3402 - Cylinder 1 Deactivation Control Performance. ? P3442 - Cylinder 6 Deactivation Control Performance. ? P3450 - Cylinder 7 Deactivation Control Performance. ? U0140 - Lost Communication With Body Control Module. (Attempting to clear this DTC will be unsuccessful.) ? P030X - Cylinder X Misfire Detected. ? P0300 - Multiple Cylinder Misfire Detected. Additionally the following enhancements have been implemented: ? Improved Cruise Control Acceleration mode. ? Improved Multi…

JEEP · 2015-10-30

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 a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) set in the PCM memory: ? U0140 - Lost Communication With Body Control Module. Customers may also describe one or more of the following conditions: ? Less than desired shift points during Wide Open Throttle (WOT) operation. ? Perceived misfire under normal acceleration. Software update is also available for customers with vehicles equipped with Manual Transmissions (DEH) to disable the starter protection feature for Rock Crawling.

DODGE · 2015-10-27

Flash: Various Driveability Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Some customers may experience the Electronic Vehicle Information Center (EVIC) Fuel Economy display is inaccurate or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one of more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: ? U0140 - Lost Communication With Body Control Module. ? P1D73 - AGS Performance. ? P0116 - Engine Coolant Temperature Sensor 1 Performance. ? P0456 - Evap System Small Leak. In addition to addressing the above DTCs, the following powertrain system improvements/enhancements are also included in this software release. ? Improved Enhanced…

CHRYSLER, DODGE · 2015-10-24

Flash: 2.4L 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 or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8). ? Improved vehicle acceleration. ? P0480 - Cooling Fan 1 Control Circuit/Open. ? P0456 - Evap System Small Leak. ? U0402 - Implausible Data Received From TCM. ? Engine Startup Flare and Idle Surge. ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. ?…

CHRYSLER, DODGE · 2015-10-24

Flash: 2.4L 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 or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8). ? Improved vehicle acceleration. ? P0480 - Cooling Fan 1 Control Circuit/Open. ? P0456 - Evap System Small Leak. ? U0402 - Implausible Data Received From TCM. ? Engine Startup Flare and Idle Surge. ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. ?…

CHRYSLER, DODGE · 2015-10-20

Flash: 6.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module with the latest available software. The technician may find the following Diagnostic Trouble Code (DTC) set in the Powertrain Control Module (PCM) memory: ? U0140 - Lost Communication With Body Control Module NOTE: Attempting to clear this DTC will be unsuccessful.

GMC · 2015-10-02

This technical bulletin provides repair information to correct a customer concern of intermittent no crank, radio, HVAC inoperative, erratic operation of I/P cluster, DTCs U0140, U0155, U0194, U0198, U0170, U0078, U0164, U0151, U0159, U0168, U0214 set.

DODGE · 2015-09-25

Flash: Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. The technician may find the following Diagnostic Trouble Code (DTCs) set in the Powertrain Control Module (PCM) memory: ? U0140 - Lost Communication With Body Control Module. (3.6L engine only). NOTE: Attempting to clear this DTC will be unsuccessful. Some customers may experience any of the following: ? Continuous cycling of fuel pump relay when using remote start (3.6L engines) ? Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that P0108 - Manifold Absolute Pressure Sensor Circuit High has been set active or stored (3.6L engine) NOTE: MIL Illumination for P0108 - Manifold Absolute Pressure Sensor…

DODGE · 2015-09-25

Flash: 3.6L Or 2.4L Diagnostic and System Improvements This bulletin involves updating the Powertrain Control Module (PCM) software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory. 2.4L Engine ? P0441 - EVAP Purge System Performance. ? P0443 - EVAP Purge Solenoid Circuit. ? P0456 - EVAP System Small Leak. ? P0116 - Engine Coolant Temperature Sensor Performance. ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1. ? U0140 - Lost Communication With Body Control Module. ? Improve alternator control at Idle. 3.6L Engine ? Improved shift quality. ? U0140 - Lost Communication With Body Control Module. ? P0300 - Multiple Cylinder Misfire. ? P000A -…

CHRYSLER, DODGE · 2015-09-25

Flash: Driveability Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. The technician may find the following Diagnostic Trouble Code (DTCs) set in the Powertrain Control Module (PCM) memory: ? U0140 - Lost Communication With Body Control Module. (JC body W/3.6L engine only). NOTE: Attempting to clear this DTC will be unsuccessful. Some customers may experience any of the following: ? Long crank times when temperature is between 20°F and 25°F (-6°C and -3°C) and 60°F and 65°F (15°C and 18°C) (JC and JS bodies). ? Engine RPM fluctuation on closed throttle deceleration between 30 MPH and 20 MPH (48 KPH and 32 KPH) (JC and JS bodies). ? Slightly elevated RPM (100 RPM) while driving slow or parking lot driving conditions (JC body only).…

DODGE · 2015-09-25

2012-2013 DODGE JOURNEY: BULLETIN ON DIAGNOSTICS TROUBLE CODE U0140 WHICH IS SET IN POWERTRAIN CONTROL MODULE MEMORY. REPROGRAM POWERTRAIN CONTROL MODULE WITH UPDATED SOFTWARE *CN

CHEVROLET, GMC · 2015-09-21

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp, service Antilock Braking System, Service Stabilitrak, Service All Wheel Drive, Service Suspension Control, or Hard Steering. Technician may find the following Diagnostic Trouble Codes stored C0196, C0186, C0287, C0710, C0045, C0050, C0800, U0077, U0074, U0125, U0126, U0100, U0101, U0121, U0415, U0432, U0121, and or U0140. Technician should inspect X411 connector for damage or corrosion. Technician will replace any terminals with damage or corrosion.

DODGE · 2015-09-15

Flash: 2.0L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest 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 (DTC): ? P0116 - Engine Coolant Temperature Sensor 1 Performance. ? P0456 - EVAP System Small Leak. ? P0441 - EVAP Purge System Performance. ? P1D73 - AGS (Active Grill Shutter) Performance. ? U0140 - Lost Communication With Body Control Module. In addition to the above conditions, this software release also includes enhancements for the following: ? ASD/Fuel pump relay cycling during Remote Start. ? E15 cold start improvements in temperatures below…

CHRYSLER, DODGE · 2015-08-15

Flash: 2.4L 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 or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (Sales Codes ED6, ED8), built on or before June 16, 2015 (MDH 0616XX). ? U0402 - Implausible Data Received From TCM. ? Engine Startup Flare and Idle Surge. ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. ? P0441 - Evap Purge System Performance. ? P0116 - Engine Coolant…

CHRYSLER · 2015-08-14

Flash: Extended Engine Crank Time And Transmission Quick Learn Enable 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: ? P0441 EVAP Purge System Performance. ? P0116 Engine Coolant Temperature Sensor Performance. ? New software to address customer?s concern of extended crank times when starting engine. ? Software to enable the clearing of erroneous DTC U0140 - Loss of communication with the Body Control Module (BCM). ? New software to enable the transmission quick learn feature.