Gm dtc u0140 00

To diagnose the U2100 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

Gm dtc u0140 00. The supervision time-out period is 250 ms. Each message contains the identification number of the transmitter module. The Diagnostic Trouble Code (DTC) sets when a periodic message from the Electronic Brake Control Module (EBCM) has not been received. U0121 GMC Code - Lost Communication With Electronic Brake Control Module.

108 posts · Joined 2008. #2 · Dec 30, 2016. The u1041 is a loss of communication between the brake control module and body control module. The u1040 is loss of communication between the body control module and engine control module. Looks like you've either pulled a connection apart or have blown a fuse. A bad ground on any of those modules ...

To diagnose the B3902 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.and clear any DTC's which may have set during the programming event. 4. Let the vehicle go to sleep, then restart the engine and check for DTC's. If any DTC's reset, perform normal diagnosis and repair as necessary. 5. If no DTC's reset, it will be necessary to look at all recorded DTC's in step 1 to help determine the original root cause.Chrysler DTC U0140 Make: Chrysler Code: U0140 Definition: Lost Communication With Body Control Module (TIPM) Description: Bus messages not received from the Totally …What Does the U0140 Ford Code Mean? The Powertrain Control Module ( PCM) continuously monitors Controller Area Network (CAN) for messages from Body Control Module (BCM). The Diagnostic Trouble Code (DTC) U0140 sets when the PCM does not receive the BCM message within the defined amount of time. U0140 Ford Code - Lost Communication With Body ...The video focuses on the basic Ford specific diagnostic error code.Contents:0:21 Basic DTC analysis according to OBD2 protocol standard.1:48 Insight into pro...Labor: 1.0. To diagnose the U0151 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Code B127E Information for Specific Makes. B127E Buick Front Video Display Output Signal Malfunction 📷. B127E Cadillac Front Video Display Output Signal Malfunction 📷. B127E Chevrolet Front Video Display Output Signal Malfunction 📷. B127E GMC Front Video Display Output Signal Malfunction 📷.December 28, 2023. C0561 71 is a chassis code for GM vehicles and comes in two forms. C0561-71 indicates that the system has been disabled due to invalid serial data being received, while C0561-72 means the system has been disabled because of an incorrect alive counter. The Chevrolet dtc c0561-71 code specifically relates to the traction ...

DTC, OBD and Engine Codes; C0561-71 System Disabled Information Stored Invalid Serial Data Received. March 22, 2023 February 15, 2023 by John Walker. If you’ve ever come across the C0561-71 System Disabled code on your GM car, you estimated it can be big problem.Oct 5, 2016 · Code U0140 pertains to the BCM or the wiring to the BCM from the engine control module (ECM). With this code, depending on the year, model, may mean that the BCM is bad, Or that the BCM is not receiving or sending a signal, the BCM harness has an open or short, or that the BCM is not communicating with the ECM. It isn't what you Drive that ... GMC Sierra 1500-New (RPO J22, VIN Digit 12 = 5 or greater) 2022 All All All All GMC Yukon Models 2022 All All All All Involved Region or Country North America Condition When inspecting for DTC's, some dealers may state that one or more of the following codes: U0101, U0131, U0140, U0146, U160F, U1611, U1610, U1614, U1615,OBD code U0073 is a communication system DTC that applies to most vehicles. Usually, this code is triggered when communication is lost intermittently or fully between your vehicle’s control modules. U0073 is a communication system diagnostic coderelated to your CANbus. This code can register in a variety of modules, including … OBDII Codes Engine Light Definitions Diagnostic Repair ... The automobile fault code U0151 indicates a communication problem in the Controller Area Network (CAN) system of the vehicle. This fault code is commonly associated with the Airbag Electronic Control Unit (ECU) and can be caused by a faulty ECU, open or shorted harness, or poor electrical connection. The symptoms of this fault code may include ... The automobile fault code U0140 indicates a problem with the Controller Area Network (CAN) communication system or the Body Control Module (BCM). The most common …Service stabilitrak. 2016 colorado. 36,000. codes u0121-00, u0077-00, u0420-72, u0151-00, u0131 Gm accessories 12498075 wheel locks buick chevrolet gmc cadillac oem Hopkins gmc cadillac chevrolet vehicles wiring kit New oem gm gmc buick chevrolet chevy wiper 84447095. ... Gm dtc u0140:00 & u0121:00 ...

GMC Sierra 1500 (New Model) Involved Region or Country North America Additional Options (RPOs) KL9 (Auto Start/Stop) Condition Some dealers may notice the MIL Illuminated. ⇒ When checking for DTC's, only the ECM will have set loss of communication codes: U0101, U102, U0129, U0140, and/or U18A2. There will be no other loss of communication ...The video focuses on the basic Ford specific diagnostic error code.Contents:0:21 Basic DTC analysis according to OBD2 protocol standard.1:48 Insight into pro...If the SPS Warranty Claim Code was not recorded on the Job Card, the code can be retrieved in the SPS system as follows: Open TLC/TIS on the computer used to program …DTC U0101 00: Lost Communication With Transmission Control Module (TCM) DTC U0121 00: Lost Communication With Electronic Brake Control Module (EBCM) DTC U0140 00: Lost Communication With Body Control Module (BCM) DTC U0151 00: Lost Communication With Restraints Control Module. DTC U0155 00: Lost Communication …

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If you decide you need professional help, consider giving Solo PCMs a call. Our experienced technicians are always ready to assist, simply call us at (800)-886-9926, or contact us directly on our website. Learn about common causes of the U0100 code, and how to diagnose them. If it's time to replace your PCM we're here to help.When checking for DTC's the Power Steering Control Module (PSCM) will have current DTC's set. The most common DTC's which may set are: • C0176 • C0544 • U0100 • U0101 • U0140 • U0121 • U0073 • U0126 • U0428 71 • U0415 • U0401 Cause A Power Steering Control Module (PSCM ... GM bulletins are intended for use by ...Verify that a test lamp illuminates between all ignition voltage circuits and ground. - If the test lamp does not illuminate, repair the circuit for a short to ground or an open/high …OBD code U0073 is a communication system DTC that applies to most vehicles. Usually, this code is triggered when communication is lost intermittently or fully between your vehicle’s control modules. U0073 is a communication system diagnostic coderelated to your CANbus. This code can register in a variety of modules, including …Jun 15, 2020 ... In this I have a look at a Chevrolet Captiva that was dropped off by a customer who purchased it used with low mileage.My APIM is throwing DTC's U0121:00-OB, U0140:00-OB, and U0256:00-OB. When I run a self demand test on the APIM I get DTC - Answered by a verified Ford Mechanic. ... GM Grand Master Technician 2007. 14 years Automotive experience. Dieseljunky2. Ford Mechanic. 3,190 satisfied customers.

To fix the automobile fault code u0100, first, check the possible causes listed above. Then, visually inspect the related wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins. This fix will take an estimated repair time of 1.0 hour.The presence of DTC one or more of the following DTC: U0140. Lost Communication With Body Control Module (BCM) U0151. Lost Communication With Sensing and Diagnostic Module (SDM) U0155. Lost Communication With Instrument Panel Cluster (IPC) Control Module. U0159. Lost Communication With Parking Assist Control Module A.June 21, 2021 by Jason. U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the GMC Terrain). This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost.Service stabilitrak. 2016 colorado. 36,000. codes u0121-00, u0077-00, u0420-72, u0151-00, u0131 Gm accessories 12498075 wheel locks buick chevrolet gmc cadillac oem Hopkins gmc cadillac chevrolet vehicles wiring kit New oem gm gmc buick chevrolet chevy wiper 84447095. ... Gm dtc u0140:00 & u0121:00 ...This video is "a little rough" in terms of editing. My wife described this issue but this is the first time I witnessed it for myself so I busted out my pho...GM General Motors OBD-II Diagnostic Trouble Codes. General Motors OBD-II Trouble Codes. The OBD-II DTC codes here generally apply to all OBD-II GM vehicles from 1996 and newer: GMC, Chevrolet, Buick, Cadillac, and former brands Oldsmobile, Pontiac, and Saturn.There may be slight changes depending on the year/model of vehicle, you would … Diagnostic Trouble Code (DTC) U0140 indicates a faulty Body Control Module (BCM) or bad wiring within your vehicle. Codes:P0171 Fuel system too lean bank 1U0100 Lost comm. with ecm/pcm invalid serial data receivedU0140 Lost comm. with body control systemU0073 Control modul...Code U0140 Cadillac Description. Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data …Posted on Aug 24, 2010. U0140 Lost Communication With Body Control Module. This generic "U" trouble code applies to all car makers and indicates a problem between the PCM and the body control module. This is likely the result of a problem in the data link between the two modules. Is the U0140-LOST COMMUNICATION WITH BODY CONTROL … Home ChryslerU0140 Chrysler DTC U0140 Make: Chrysler Code: U0140 Definition: Lost Communication With Body Control Module (TIPM) Description: Bus messages not received from the Totally Integrated Power Module (TIPM) for approximately two to five seconds. Cause: CAN BUS CIRCUITS OPEN OR SHORTED; DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN ...

When communication breaks down intermittently or fully between modules, a code is set in a module to indicate the failure. The code, U0073, can register in one or more modules: powertrain control …

Oct 11, 2023 ... Comments14 · 2013 Chevy Silverado U0100 U0073 High Speed Bus Off, no communication PCM BCM! CANBUS ISSUE! PT1 · 2009 GMC Sierra Intermittent No ...C0800-03 Control Module Power Circuit-Low Volt. U0121-00 Lost Communication with Electronic Brake Control Module. B1517-03 Battery Voltage - Low Voltage. B257B-03 Lighting Control Switch Circuit - Low Voltage. B2699-01 Right Headlamp Control Circuit - Short to Battery. B2699-04 Right Headlamp Control Circuit - Open.Along with these complaints there will be High Speed GM LAN history DTC's U0140 00 and/or U0073 71 stored in any GM LAN High Speed module. This concern can …Oct 5, 2016 · Code U0140 pertains to the BCM or the wiring to the BCM from the engine control module (ECM). With this code, depending on the year, model, may mean that the BCM is bad, Or that the BCM is not receiving or sending a signal, the BCM harness has an open or short, or that the BCM is not communicating with the ECM. It isn't what you Drive that ... To diagnose the B3902 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Responsible for running the anti-lock brake system, the ABS control module monitors how fast each wheel spins through its ABS wheel sensors. Responsible for running the anti-lock brake system, the ABS control module monitors how fast each wheel spins through its ABS wheel sensors. It sends the readings to the PCM and also shares the …Home GMCU0140 GMC DTC U0140 Make: GMC Code: U0140 Definition: Lost Communication With Body Control Module Description: Voltage supplied to the modules is in the normal operating voltage range. The vehicle power mode requires serial data communication to occur. Cause: A poor connection at the inoperative module may cause this code to set.

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Codes:P0171 Fuel system too lean bank 1U0100 Lost comm. with ecm/pcm invalid serial data receivedU0140 Lost comm. with body control systemU0073 Control modul... U0140-00 Lost Communication with Body Control Module K160 - Brake System Control Module U0403-00 Invalid Data Received from Transfer Case Control Module Module DTC# Description K160 - Brake System Control Module U1608-00 Lost Communication with Serial Data Gateway Module on CAN Bus 2 K160 - Brake System Control Module U1611-00 Lost ... DTC-- Diagnostic Trouble Codes (DTC) that identify which section of the emission control system has malfunctioned. Enabling Criteria-- Also termed Enabling Conditions. They are the vehicle-specific events or conditions that must occur within the engine before the various monitors will set, or run. Some monitorsJun 29, 2020 · Labor: 1.0. To diagnose the U0140 Cadillac code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. Labor: 1.0. The cost to diagnose the C056D code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 …General Motors is launching a new line of energy management products, the next step in an EV offense aimed directly at Tesla. General Motors is launching a new line of energy produ...If any repairs were made, clear the diagnostic trouble codes from memory, and see if the U0146 code returns or if you are able to communicate with the GATEWAY module. If the code does not return or communication is re-established, then the fuses/connections were most likely your problem. If the code returns, locate the CAN C bus communication ...Subject: Service Stability Lamp DTC C0561 Models: 2007-2013 Cadillac Escalade Models 2007-2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007-2013 GMC Sierra, Yukon, And Denali Models This PI was superseded to …Haha, I learned quickly that the Jeep survives these "seizures" caused by the OBDLink MX. Anyway, this time, in addition to making the Jeep EVIC completely freak out, the ScanTool.net product caused two MIL codes to be set that required clearing: U0140 and U0121. I really don't like seeing the Check Engine light, especially when it's not caused ...Diagnostic OBD-II codes. Dashboard warning lights. Code U0140 means Lost Communication With Body Control Module. Learn more about causes, symptoms, and … ….

What Does the U0121 Code Mean? Fault code U0121 stands for “Lost Communication With Anti-Lock Braking System (ABS) Module.” The ABS module issues the necessary commands to modulate brake pressure and maintain the correct percentage of tire slip under emergency braking and adverse road surface conditions. Mar 26, 2023 · Labor: 1.0. To diagnose the U0140 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. Visually inspect the related wiring harness and connectors. Look for damaged components and examine the connector’s pins. If you find any broken, bent, pushed out, or corroded pins, replace the connector or repair the pins as necessary. This will ensure a proper electrical connection and help resolve the u0155 fault code. C0800-03 Control Module Power Circuit-Low Volt. U0121-00 Lost Communication with Electronic Brake Control Module. B1517-03 Battery Voltage - Low Voltage. B257B-03 Lighting Control Switch Circuit - Low Voltage. B2699-01 Right Headlamp Control Circuit - Short to Battery. B2699-04 Right Headlamp Control Circuit - Open.The presence of DTC one or more of the following DTC: U0140. Lost Communication With Body Control Module (BCM) U0151. Lost Communication With Sensing and Diagnostic Module (SDM) U0155. Lost Communication With Instrument Panel Cluster (IPC) Control Module. U0159. Lost Communication With Parking Assist Control Module A.My APIM is throwing DTC's U0121:00-OB, U0140:00-OB, and U0256:00-OB. When I run a self demand test on the APIM I get DTC - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website.#U0140 #bodycontrolmoduleGMC Yukon XL 2008 model trouble code U0140 lost communication with Body control moduleReplace Body control moduleAl-Sultan …To diagnose the P01F0 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.July 12, 2021 by Jason. U0101 is a generic powertrain code, which means it has the same definition for the Chevy Express as it would any other vehicle. It means that your Express’s TCM (Transmission Control Module) can’t communicate with the rest of the vehicle, usually due to a bad wiring harness or an issue with the TCM itself. Gm dtc u0140 00, Jan 17, 2023 ... Comments28 ; 6 Symptoms of a Bad Ignition Switch. Vehicle Freak · 18K views ; 2014 Chevrolet Malibu trunk latch replacement. jose guzman · 28K views., DTC U0100 00: Lost Communication With Engine ... Lost Communication With Electronic Brake Control Module (EBCM) DTC U0140 00: Lost Communication With Body Control Module (BCM) DTC U0151 00 ... If an when the security symbol light is on you need to have it checked for DTC'S - diagnostic trouble codes . A GM dealer ,Chevy ..., Labor: 1.0. To diagnose the U0140 GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., How to Fix the DTC U0140? Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded., The fault code U2106 is related to a communication issue between the vehicle’s control module and the transmission control module. The estimated repair time for this fault code is 1.0 hour. The cost of fixing this issue can vary depending on the auto repair shop, but it is common for most shops to charge between $75 and $150 per hour., If unable to access the Radio, then the U0184 code that the other modules are setting is active, and the problem is there now. The most common failure is a circuit fault which causes the loss of power or ground to the radio. Check all fuses that power up the Radio module on this vehicle. Check all grounds for the Radio., HomeGMC GMC Select Your GMC's Diagnostic Trouble Code Body Codes. B101D; B1428; B2722, Labor: 1.0. To diagnose the U0121 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., Find out how to fix U0077 Chevrolet code for engine light and chassis communication problems. Get diagnostic and repair tips from AutoCodes., U0126, U0131, U0140, U0155, U0164, U0415, U0422, U0428, U0452, U1509, U150F and/or U15E1 Service Procedure Caution: Before downloading the update files, be sure the computer is connected to the internet through a network cable (hardwired). DO NOT DOWNLOAD or install the files wirelessly. If there is an interruption , Chrysler DTC U0140 Make: Chrysler Code: U0140 Definition: Lost Communication With Body Control Module (TIPM) Description: Bus messages not received from the Totally …, GM Vehicle Airbag Code B0081. 29 April 2024 ... DTC: Description: Possible Root Cause: B0074 00: Flex Mat Sensor Performance: Sensing mat open circuit - Check the sensing mat for damage. ... U0140 00: Lost Communications BCM: Check BCM and clear DTC: U0151 00: Lost Communications SDM:, Related DTC Discussions Register now to ask a question (free) 2016 F150 Short to ground codes U0151 U0452 B11D8 B1472 B1330 U0131 B1088 U0420 etc. Hi, I have a 2016 Ford F150 and I am getting multiple codes complaining of "short to ground" from the horn, automatic lights switch, headlights, and different things like that., Crunching The Numbers: U0073 Code Repair Cost & Complexity. The automobile fault code U0073 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour. , 108 posts · Joined 2008. #2 · Dec 30, 2016. The u1041 is a loss of communication between the brake control module and body control module. The u1040 is loss of communication between the body control module and engine control module. Looks like you've either pulled a connection apart or have blown a fuse. A bad ground on any of those modules ..., The Diagnostic Trouble Code (DTC) sets when a periodic message from the Body Control Module (BCM) has not been received. Pictures shown may vary from …, Diagnostic Trouble Code (DTC) U0140 indicates a faulty Body Control Module (BCM) or bad wiring within your vehicle. , DTC U0140, sometimes indicated as U014000 is an OBD diagnostic trouble code indicating a generic fault with the vehicle user network. U0140: Lost Communication With Body Control Module. U0140: Data bus, body control module (BCM) – no communication. U0140 00: Data bus, body control module (BCM) - no communication., P2068 is a diagnostic trouble code (DTC) for "Fuel Level Sensor “B” Circuit High". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 ., U0126, U0131, U0140, U0155, U0164, U0415, U0422, U0428, U0452, U1509, U150F and/or U15E1 Service Procedure Caution: Before downloading the update files, be sure ... See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION., DTC-- Diagnostic Trouble Codes (DTC) that identify which section of the emission control system has malfunctioned. Enabling Criteria-- Also termed Enabling Conditions. They are the vehicle-specific events or conditions that must occur within the engine before the various monitors will set, or run. Some monitors, Jun 2, 2022 ... Chevrolet Traverse DTC Code U0100, U0073, U0121, U0140 ECM PCM diagnosis and possible fix. Pattywakt DIY•27K views · 10:29 · Go to channel ..., Jan 17, 2023 ... Comments28 ; 6 Symptoms of a Bad Ignition Switch. Vehicle Freak · 18K views ; 2014 Chevrolet Malibu trunk latch replacement. jose guzman · 28K views., The video focuses on the basic Ford specific diagnostic error code.Contents:0:21 Basic DTC analysis according to OBD2 protocol standard.1:48 Insight into pro..., Make sure the connector is completely dry before reconnecting it. Ensure the battery is charged so the PCM has a power supply to function. Check the C bus connector for damage. Then check for shorts on the (+) and (-) CAN C circuit using a multimeter. If everything looks correct, it's time to inspect the PCM., The fault code U2106 is related to a communication issue between the vehicle’s control module and the transmission control module. The estimated repair time for this fault code is 1.0 hour. The cost of fixing this issue can vary depending on the auto repair shop, but it is common for most shops to charge between $75 and $150 per hour., 108 posts · Joined 2008. #2 · Dec 30, 2016. The u1041 is a loss of communication between the brake control module and body control module. The u1040 is loss of communication between the body control module and engine control module. Looks like you've either pulled a connection apart or have blown a fuse. A bad ground on any of those modules ..., GMC Sierra 1500 (New Model) 2019 2019 Equipped with 5.3L L82, 5.3L L84, 6.2L L87, 4.3L LV3, 2.7L L3B, or ... P3094 P3095 P3098 P30B0 P30B3 P30CF U0073 U0100 U0101 U0140 U0644 U0672 Determine if fuse F46UA only is affected; ... For any of the DTC's listed above inspect the following areas 1., Over 20 years of bumper to bumper GM experience. Mike S. Chevy Mechanic. 2,417 satisfied customers. ASE Certified Master Technician. Ted G. ASE Certified Technician. 1,838 satisfied customers. 20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness. Paul M ASE Master. ASE Master Tech., DTC U0140, sometimes indicated as U014000 is an OBD diagnostic trouble code indicating a generic fault with the vehicle user network. U0140: Lost Communication With Body Control Module. U0140: Data bus, body control module (BCM) – no communication. U0140 00: Data bus, body control module (BCM) - no communication., The presence of DTC one or more of the following DTC: U0140. Lost Communication With Body Control Module (BCM) U0151. Lost Communication With Sensing and Diagnostic Module (SDM) U0155. Lost Communication With Instrument Panel Cluster (IPC) Control Module. U0159. Lost Communication With Parking Assist Control Module A., Trouble Code P0140 Oxygen SensorDisclaimer:This video is not meant to be a definitive how to.Always consult a professional repair manual before starting your..., More from RepairPal. Diagnostic OBD-II codes. Dashboard warning lights. Code U0140 means Lost Communication With Body Control Module. Learn more about causes, symptoms, and diagnostics for code U0140.