U0140 · Manufacturer communications

CHRYSLER, DODGE · 2015-07-25

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. In addition, some customers may describe engine flare at startup or idle surge. 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 16th, 2015 (MDH 0615XX). ? U0402 - Implausible Data Received From TCM (ED6, ED8). ? Engine Startup Flare and Idle Surge (ED6, ED8). ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. ? P0441 -…

CHRYSLER, DODGE · 2015-07-17

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. 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 or ED8), built on or before April 6, 2015 (MDH 0406XX). ? Improve cold engine idle, reduce idle flare up (ED6 only). ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. ? P0441 - Evap Purge System Performance. ? P0116 - Engine Coolant Temperature Sensor 1 Performance . ? P050D - Cold Start Rough Idle.…

CHRYSLER, DODGE · 2015-07-02

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 Dagnostic Trouble Codes (DTCs). ? DTC: U0140 - Lost Communication With Body Control Module (TIPM) stored in the Engine Control Module (ECM) memory (applies only to LC vehicles). ? DTC: P1621 - O2 Sensor Reference Voltage Circuit Low ? DTC: P1622 - O2 Sensor Reference Voltage Circuit High ? DTC: P0606 - Internal Control Processor ? DTC: P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 ? P0300 - Multiple Cylinder Misfire (applies only…

DODGE · 2015-07-02

Flash: 3.6L 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: ? Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find Diagnostic Trouble Code (DTC) U0140 - Lost Communication With Body Control Module (TIPM) stored in the Engine Control Module (ECM) memory. ? For 2011 vehicles built prior to February 2, 2011, the customer may experience a condition known as ?Idle Buffeting? while the vehicle is idling. This condition can be similar to driving down the road with one rear window down and all others rolled up, causing a thumping or buffeting sound. The idle speed will be…

CADILLAC, CHEVROLET, GMC, HUMMER · 2015-06-25

This technical bulletin provides repair information to correct customer concerns of loss of high speed GMLAN communications, intermittent no crank, IP gauge fluctuation, intermittent door lock cycling /chime operation, various IP warning lamps illuminated, transmission may not shift, communication DTCs U0073, U0100, U0101, U0102, U0109, U0121 or U0140 set.

CHEVROLET, GMC · 2015-06-01

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.

CHEVROLET, GMC · 2015-05-29

This Preliminary Information communication provides information to the technician for vehicles with an intermittent malfunction indicator lamp on, the interior lamps are inoperative and or the lift gate is inoperative. Diagnostic trouble codes U0078, U0140, U0151, U0155, U0164, U0198, or U0230 can be present. Inspect the body harness connector X901 for water intrusion or corrosion. Repair the connector and terminals as required.

CADILLAC · 2015-05-13

This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon light is on, Reduced engine power message, no crank, multiple warning lights on, transmission shifts hard, or the door locks cycle while driving. The Transmission Control Module or Engine Control Module may not communicate. With Diagnostic Trouble Codes C0242, C0561, P0575, P0615, P0700, P0856, P1629, P2544, U0073, U0074, U0100, U0109, U0121, U0140, U2100, U2105, and / or U2106 stored. The technician is to inspect the transmission X1 connector terminals for loose or poor fit. Disconnect the X1 connector and carefully tug on each wire to insure pins are fully seated. A side load on the wires may also cause a false positive lock. Technician is to repair the…

CADILLAC, CHEVROLET, GMC · 2015-05-04

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.

CHEVROLET, GMC · 2015-05-01

This Preliminary Information communication provides information to the technician for vehicles with a malfunction indicator lamp on, service stabilitrak, power steering or vehicle soon message displayed on the drivers information center. The technician may find the following diagnostic trouble codes U0073, U0100, U0101, U0121 U0140 C0045, C0050 in the body control module, electronic brake control module, engine control module, or the transmission control module. There may be multiple loss of communication codes current or history for high speed General Motors Local Area Network. Inspect the connections at connector X411 for corrosion due to the location of the connector under the vehicle by the rear wheel.

DODGE · 2015-04-15

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). ? Charging system duty cycle enhancement to improve starting performance in low ambient temperatures. ? P219A - Bank 1 Air-Fuel Ratio Imbalance. (applies to vehicles equipped with the 4 speed transmission (sales code DFF) only. ? Enhanced Automatic Oil Change Indicator(EAOCI) system enhancements that force the use of the severe duty cycle algorithm anytime the PCM is replaced. The vehicle duty cycle information used in the EAOCI calculation is stored in the PCM and…

JEEP · 2015-03-13

Flash: U0140 Lost Communication With Body Control Module This bulletin involves reprogramming the Powertrain Control Module (PCM) with update software. During normal diagnostics a technician may find Diagnostic Trouble Code (DTC) U0140 Lost Communication With Body Control Module. Attempting to clear the DTC will be unsuccessful.

CHRYSLER, DODGE · 2015-03-11

Flash: 3.6 Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. 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: ? U0140 Lost Communication With Body Control Module. Attempting to clear the DTC will be unsuccessful. ? P0300 Multiple Cylinder Misfire. ? P0573 Brake Switch 1 Stuck Off.

DODGE · 2015-03-03

Flash: 3.6L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. The 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): ? U0140 Lost Communication With Body Control Module. Attempting to clear the DTC may be unsuccessful. ? P0300 Multiple Cylinder Misfire, sets at idle on a cold engine. ? P000A Bank 1 Camshaft 1 Position Slow Response. ? P000B Bank 1 Camshaft 2 Position Slow Response. ? P000C Bank 2 Camshaft 1 Position Slow Response. ? P000D Bank 2 Camshaft 2 Position Slow Response. Enhancements ? Improved idle stability. ? Improved first transmission shift after start up.

CHRYSLER, DODGE · 2015-02-26

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. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles, built on or before October 21, 2014 (MDH 1021XX). ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. 2015 PF Vehicles, built on or before January 08, 2015 (MDH 0108XX). ? Improve cabin warm up in cold weather, when the vehicle is in park or neutral and the temperature is between °10F to °40F (-12C to 4.5C). ? P219A - Bank 1…

CHRYSLER, DODGE · 2015-02-26

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. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles, built on or before October 21, 2014 (MDH 1021XX). ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. 2015 PF Vehicles, built on or before January 08, 2015 (MDH 0108XX). ? Improve cabin warm up in cold weather, when the vehicle is in park or neutral and the temperature is between °10F to °40F (-12C to 4.5C). ? P219A - Bank 1…

DODGE · 2015-02-21

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 ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1. ? U0140 - Lost Communication With Body Control Module. ? Improve alternator control at Idle. 3.6L Engine ? U0140 - Lost Communication With Body Control Module. ? P0300 - Multiple Cylinder Misfire. ? P000A - Bank 1 Camshaft 1 Position Slow Response. ? P000B - Bank 1 Camshaft 2 Position Slow Response.

DODGE · 2015-02-21

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 ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1. ? U0140 - Lost Communication With Body Control Module. ? Improve alternator control at Idle. 3.6L Engine ? U0140 - Lost Communication With Body Control Module. ? P0300 - Multiple Cylinder Misfire. ? P000A - Bank 1 Camshaft 1 Position Slow Response. ? P000B - Bank 1 Camshaft 2 Position Slow Response.

RAM · 2015-02-07

Flash: U0140 Lost Communication With Body Control Module (BCM) This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated (latest available) software. During normal diagnostics a technician may find Diagnostic Trouble Code (DTC) U0140 Lost Communication With Body Control Module. Attempting to clear the DTC will be unsuccessful.

RAM · 2015-02-07

Flash: U0140 Lost Communication With Body Control Module (BCM) This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated (latest available) software. During normal diagnostics a technician may find Diagnostic Trouble Code (DTC) U0140 Lost Communication With Body Control Module. Attempting to clear the DTC will be unsuccessful.

DODGE · 2015-01-28

Flash: U0140 Lost Communication With Body Control Module This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. During normal diagnostics a technician may find Diagnostic Trouble Code (DTC) U0140 Lost Communication With Body Control Module. Attempting to clear the DTC will be unsuccessful.

CHRYSLER, DODGE · 2015-01-24

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. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles. ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. 2015 PF Vehicles. ? P219A - Bank 1 Air-Fuel Ratio Imbalance. ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. 2013-2014 PF Vehicles. ? P219A - Bank 1 Air-Fuel Ratio Imbalance. ? P2251 - O2 Sensor…

CHRYSLER, DODGE · 2015-01-17

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. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles. ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. 2015 PF Vehicles. ? P219A - Bank 1 Air-Fuel Ratio Imbalance. ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. 2013-2014 PF Vehicles. ? P219A - Bank 1 Air-Fuel Ratio Imbalance. ? P2251 - O2 Sensor…

RAM · 2015-01-07

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. ? 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. ? Potential small improvement in fuel economy at higher altitudes. ? Potential improvement in high altitude engine idle RPM stability.

DODGE · 2015-01-07

Flash: 3.6L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with update software. The 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): ? U0140 Lost Communication With Body Control Module. Attempting to clear the DTC may be unsuccessful. ? P0300 Multiple Cylinder Misfire, sets at idle on a cold engine. ? P000A Bank 1 Camshaft 1 Position Slow Response. ? P000B Bank 1 Camshaft 2 Position Slow Response. ? P000C Bank 2 Camshaft 1 Position Slow Response. ? P000D Bank 2 Camshaft 2 Position Slow Response.

CHRYSLER, DODGE · 2014-12-23

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. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory. ? P2172 - High Airflow/Vacuum Leak Detected ? P1D73 - AGS Performance ? U0140 - Lost Communication With Body Control Module

CHRYSLER, DODGE · 2014-12-23

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. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory. ? P2172 - High Airflow/Vacuum Leak Detected ? P1D73 - AGS Performance ? U0140 - Lost Communication With Body Control Module

CHRYSLER, DODGE · 2014-12-23

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. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory. * P2172 - High Airflow/Vacuum Leak Detected * P1D73 - AGS Performance * U0140 - Lost Communication With Body Control Module

DODGE · 2014-12-18

Flash: MIL Illumination, P1D73 AGS Performance Or U0140 Lost Communication With Body Control Module This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or both of the following Diagnostic Trouble Codes (DTC): P1D73 AGS (Active Grill Shutter) Performance. U0140 Lost Communication With Body Control Module.

DODGE · 2014-12-18

Flash: MIL Illumination, P1D73 AGS Performance Or U0140 Lost Communication With Body Control Module This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or both of the following Diagnostic Trouble Codes (DTC): P1D73 AGS (Active Grill Shutter) Performance. U0140 Lost Communication With Body Control Module.