Chevy equinox bcm issues. it will need to be reprogrammed by your dealership.
Chevy equinox bcm issues are inputs to the BCM. Dec 12, 2023 · These intermittent electrical issues are hard to diagnose. *If there is no DTC B389A Chevrolet Camaro 2019 2022 — Blazer 2019 2022 — Bolt EV 2020 2022 — Bolt EUV 2022 2022 — Equinox 2019 2022 — Silverado 1500 (New Model) 2019 2019 — Silverado 1500 2020 2021 Silverado 1500 LTD (RPO J21, 12th VIN Digit = 4 or less) Silverado 1500 New (RPO J22, 12th VIN Digit =5 or greater) 2022 2022 — Traverse 2020 2022 — Cause 2 This condition may be caused by a poor BCM ground at G218. The BCM is responsible for all switching. The dealership believes the body control module (BCM aka BCU aka BCC) is the issue. The Electronic Control Unit oversees every tiny function in your vehicle. Oct 6, 2021 · Picked the car up last night. On the other hand, if you are driving a Chevy Equinox, the car may not start due to BCM (body control module). Feb 21, 2024 · The BCM is the central hub for the vehicle’s door locks and on some vehicles, the BCM handles immobilizer system functions. Reprogram Existing BCM . Nov 27, 2023 · The body control module receives the signals from buttons and switches you operate inside the cabin. The reason I'm not giving you a specific answer is you can follow the current path into the BCM, and you can see the current leave the BCM, through the output pins, and go to the turn signal bulbs. Also please check out the statistics and reliability analysis of Chevrolet Equinox based on all problems reported for the Equinox. Aug 25, 2015 · to each other correctly. Summary: The ECM and BCM work together to implement the "Immobilizer System". When suspecting a bad body control module (BCM), it is essential to take a systematic approach to diagnose and confirm BCM issues. Jan 23, 2024 · Professionals employ specific tools and techniques for diagnosing problems with the Body Control Module (BCM), ensuring a precise and efficient troubleshooting process. Skip to content +1 (904) 990-4965 info@ModuleExperts. Leaving the phone plugged in and working different apps somehow causes a freeze and the radio will not shut off, but will leave a light blue haze of a screen. The BCM stores the information regarding the vehicle options. First was the Body Control Module so that mechanics could use a scan device and get [any] kind of reading or codes. 2012 Equinox 2. Jul 9, 2015 · Sounds like the HVAC module halted on a command and just ran in a loop un-able to execute the further commands in cache, shutdown of the system restarts the whole processor loop and gets past the lockup, could be code glitch-buggy code or possibly some other module requesting data--like the bus master BCM, also could have been momentary erroneous data out of one of the sensors on the HVAC • The Body Control Module (BCM) is the master module (for GEM vehicles) that TLC reads to determine the VIN of the vehicle. If the VIN read from the vehicle by TLC does not match the VIN plate of the vehicle, the BCM also needs to be reprogrammed with the correct VIN, software and calibrations that match the vehicle’s VIN plate. Damaged wires, BCM internal hardware failure, and data network problems are some common causes of the U0140 code. The most recently reported issues are listed below. Please see the I have a 2015 Chevy equinox and I have found that having the iPhone plugged into the vehicle has something to do with radio problems. Jan 3, 2023 · Second-generation Chevy Equinox (2011 to 2013 model years) When it comes to the second-generation Chevrolet Equinox, the major issues reported include problems with increased fuel consumption. The Expert can help with your '08 Chevy Equinox's BCM replacement issues, including the locked radio and gear shift problem. Being the master control for electrical system of vehicle, BCM controls power windows, mi Facilities for adjusting air conditioning, locking and Nov 16, 2022 · As mentioned in the information above, there are many reasons why your Chevy Equinox does not start after a new battery installation. Nov 15, 2018 · The main issue is either the body control module or wiring for it. 6 -'23 Silverado Z71 LTZ 6. One of the most common symptoms associated with body control module failure is repeated, excessive battery drainage, also known as a parasitic draw. I believe this is the one you are after. Sorry for the specificity required, but I wanted to eliminate any questions from the get-go. Try going into your preferences on the radio and change the lock functions. Three trips to the dealer, two weeks each time and it's no different. ABS Light comes on. If a BCM does have issues, your vehicle might not lock or unlock properly. If the BCM detects a error, it can set a trouble code. October 26, 2020 2:58 pm Chevy Equinox Deals Include Low-Interest Financing In April 2025 If the BCM is experiencing issues, it could lead to problems with the turn signals and hazard lights. #1 – Repeated Battery Drain. It also displayed "AWD Problem, and "Service Steering System" on the display. Within minutes the car had a good 6 inches of hail and water inside. Common Issues with BCMs: BCMs can encounter several problems that necessitate cloning, often due to damage. Started the car to warm up and after a couple of minutes the door locks went crazy (locking and unlocking). The BCM can be (exceptionally broadly) described as the module responsible for most of the non-drivetrain functions. Jul 5, 2023 · Body Control Module (BCM) Programming/RPO Configuration The body control module (BCM) must be programmed with the proper RPO configurations. Mar 10, 2016 · This article applies to the Chevrolet Camaro and Pontiac Firebird (1993-2002), as well as the Corvette. In this video i will explain the function, frequent problems you may en Mar 10, 2025 · A body control module (BCM) The Body Control Module is one of the countless (or hundreds, in modern cars) of modules making up the ECU. 4L ***** bcm dtc b3055-00 key chip tested and working antenna module has powers and looks to be sending the data to a bcm but I still not able to reprogram the keyjust before I replaced the bcm any one has good experience on this code Nov 28, 2024 · ACC in 2024 Equinox EVs relies on at least three modules communicating with each other; the Camera Module, the Image Processing Module (IPM), and the Brake Control Module (BCM). Front signals stopped working. Correction If you encounter a vehicle with inoperative door locks or IP lights that come on while driving with DTC(s) B3125, B3130, B3135, B3979 or B3980 set in the BCM, perform the May 25, 2014 · Diagnosing charging system problems on a GM vehicle equipped with the EPMS system. Common symptoms of a bad Body Control Module (BCM) and What to Check to see if it has failed. Let’s dive in! #1 Issues with the Timing Chain in a V6 Engine. Some of the exterior lights use a Pulse Width Modulated circuit. It’s a bit strange to think that something connects your vehicle’s door locks, windows, headlights and windshield wipers, but that’s exactly what the body control module does. The pins in the connectors looks good and have no corrosion. Come join the discussion about modifications, classifieds, troubleshooting, maintenance, reviews, and more! Nov 26, 2017 · I have a 2007 chevy equinox and the lower brake lights do not work on both sides. And I'm inclined to agree. What the BCM Does. One activates the starter solenoid and the other controls the timed start cycle. BCM REPLACEMENT EQUINOX , SECURITY LIGHT MAY STAY ON AFTER REPLACING IT, UNTIL YOU GET IT PROGRAMED!🔵PLEASE LIKE & SUBSCRIBE 🔵COMMENT BELOW 🔵https:// The 2021 Chevrolet Equinox has 1 NHTSA complaints for the electrical system:body control module/bcm at 11,000 miles average. These include: Apr 2, 2018 · My 2011 Manual says the "Security Indicator" is illuminated by the Body Control Module (BCM) when the ignition key is in the ON position to indicate a fault has occurred within the "Immobilizer System", and when the engine starting is disabled. And then there’s no power and/or message sent to the Fuel Pump Module (another moon) because the ECM hasn’t gotten past Step #1 with the BCM. As any car expert will know, a normal combustion engine is made of one or more fixed cylinders and one or multiple moving pistons. Also, there have been numerous reports stating that the 2. Immobilizer system issues aren’t typically BCM-related, but door lock and unlock issues may be. Jan 28, 2011 · Hello, long time lurker here and first time poster. When i step on the Brake, The third light goes on but, the sides do not light up. Feb 1, 2010 · the problem is with your bcm - body control module computer. Body Control Module (BCM) Programming/RPO Configuration Important: If the module is replaced, programming the module with the proper RPO configurations must be done prior to performing the Passlock Learn procedure. They're apparently on backorder. Dec 5, 2017 · Check out this brief explanation of the BCM and the symptoms that could indicate it’s on the fritz. Chevrolet Malibu 2019 2020 — — 1. or Common Symptoms of a Bad Body Control Module. This issue has been a hot topic given the number of complaints and inquiries popping up across various forums. CarComplaints. The specific codes and the number of codes present depends on the vehicle and vehicle content. If you notice some or all of the buttons in the interior quit working, this is a sign of a bad BCM. 5L (LFV) CVT250 Automatic (MRG) Involved Region or Country North America, Israel Condition Note: Not all of the effects or driver notifications listed have been experienced. The symptoms of a bad body control module depend on the fault and damage to the module. Body Control Module Reset (Step 2): Find The BCM’s Location. 2-'20 Traverse High Country-Ski Doo's-FLHR-F3S Spyder-Boats Apr 29, 2020 · Voltage exits connector X4, Pin #1 and #2 of the BCM and flows to the right and left low beam light. How to test body control module on 07 equinox My 2005 Chevy Equinox has its airbag light on. As I previously said, some of the warning signs above might be caused by the body control module. There are places that sell a replacement BCM pre-programmed with your VIN so all you do is plug it in and it works (hopefully). The car runs and drives but it seems like the anti theft system needs reset. Chevy Equinox No Start Problems It was the Body Control Module (BCM) - A Chevy Garage needs to install and program these. The actuators were responding, so the tech said he could jump it so it would always be hot and blow out the defrost vents. vehicles involved is approximately 70,863. They say it is a BCM and has to come from Michigan. Mar 19, 2017 · The BCM turns on/off the lights with the help of various switches and sensors. At the BCM connector, ECM and TCM I get 10V on the GMCAN + and - wires. But that article above is correct, you can't simply change the BCM; you will likely have to call a dealer and see if they will/can reprogram another salvage unit (if that's the problem). Low Beam bulb. • A starter cable ring terminal that has been mis-installed and/or rotated when installed Jul 4, 2023 · The body control module (BCM) is a critical component of modern vehicles, responsible for managing various electronic systems like power windows, locks, and lights. Sep 15, 2019 · GM Recall #13036, July 2014 Found this recall notice while going thru some papers on my 2008 Malibu LTZ, said this was a safety recall for 2004/2012 Chevy Malibus,2005/2012 Pontiac G6 and 2007/2010 Saturn Aura vehicles. Thanks for the info. It recently completely died on me. My Jan 29, 2019 · A forum community dedicated to GMC Terrain, Chevy Equinox, and Cadillac SRX owners and enthusiasts. If you click them and make a purchase, we may earn a small commission. Our BCM cloning service ensures optimal performance by replicating data from your old BCM to a new donor BCM, maintaining your vehicle's reliability and functionality. I have a total of 8 fuses for the BCM so you will have to get the right one or ones. Customer: My car is 2013 chevy equinox. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Dec 26, 2023 · Diagnostic Approaches for BCM Issues. Engine won't start, door locks don't work, power lift gate doesn't work, etc etc. findthebestcarprice. The questions are in the last paragraph. Mar 5, 2022 · Chevrolet Equinox owners have reported 1 problem related to body control module/bcm (under the electrical system category). Dec 9, 2016 · In many cases, your BCM will alert you to issues with symptoms, warning lights or both. The primary tools include: OBD-II Scanner: An On-Board Diagnostics (OBD-II) scanner is the most fundamental tool, allowing professionals to read diagnostic trouble codes (DTCs Body control module To learn more about a bad body control module, check out our post: https://www. -BCM unplugged - DLC, Onstar, and ABS I get 1V on Pin 6 and 14. Shorting wires or an internal electrical problem might present a symptom different from damaged sensors. For the manual portion The interior switch is an input to the BCM. 4-liter engine wasn’t the most reliable out there, and it had excessive oil consumption. When the vehicle arrived, the BCM had a trouble code B270A for park lock solenoid control circuit short to ground, but I was unable to duplicate the concern of not coming out of park. B3927 00) are present, and current in the BCM. Then Mar 19, 2025 · Handle the BCM (Body Control Module) gently, as any physical damage could corrupt its internal circuits. The key is to heed these warning signs, take prompt action and seek help. Though, getting a new BCM is a problem. The IPC had multiple lights on, and there was no power steering in the vehicle. Perform an all-system scan, and find that I can only communicate with modules on the interior of the vehicle. I would check the chassis ground. In the 2025 Equinox EV the separate Image Processing Module has been removed and the functionality placed inside the Camera Module. I been driving a car with non working Models: 2022 Chevrolet Equinox 2021-2022 Chevrolet Silverado 1500 LTD 2022 Chevrolet Silverado 2500/3500 HD 2021-2022 GMC Sierra 1500 Limited 2022 GMC Sierra 2500/3500 HD To: All General Motors Dealers General Motors is releasing Service Update N212356230 today. it is making calls for things like roll up the back window, unlock the doors, etc which is causing a drain on the battery. Next, visually inspect the related wiring harness and connectors. A failing alternator and a bad starter are two common reasons why, for most vehicles on the road today. backyardmechanic. Cause 3 This condition may be caused by a shorted B+ Battery cable (3) at the Starter Solenoid caused by: • A loose starter shield contacting the starter battery cable terminal ring. Thanks! Looks like the fuse really was blown after all, though it didn't blow the 2 amp fuse I borrowed from the steering wheel illumination. Contact us; Apr 15, 2023 · I need wiring diagrams for the turn signal switch, BCM, and fuse boxes etc. However, they might also signal problems with other parts. Do not attempt BCM reprogramming without proper tools, as incorrect coding may cause further malfunctions. Oct 15, 2014 · I thought I searched for "body control module", but I guess I missed one that described the location. All other components such as headlight switch, relays, light sensor, etc. We use cookies to give you the best possible experience on our website. The BCM then outputs a signal to each lock solenoid. Watching this video will help you diagnose to see if it is time to replace your body • The Body Control Module (BCM) is the master module (for GEM vehicles) that TLC reads to determine the VIN of the vehicle. Today's patient was a 2017 Chevy Equinox that had been wrecked and put back together. Contact us today to see how quickly we can have your Body Control Module (BCM) fixed or remanufactured and back in your car. Serial Communication Problem With Device 6: P1607: Serial Communication Problem With Device 7: P1608: Serial Communication Problem With Device 8: P1609: Loss Of TCS Serial Data: P160C: Glow plug control module engine calibration information -not programmed: Program fuel injection flow rate: P1610: CAN data bus -body control module (SCM). Mar 13, 2013 · Yes, BCM is body control module, I believe #4 BCM fuse is located inside the vehicle in the fuse block located on the passenger side,, on the side of the HVAC lower console. Here is what I found today-Pin 6 and 14 on DLC are both reading 9V with everything plugged in. The ECM then sends a challenge back to the BCM which has to send the correct response. The BCM has several programs to change these auto functions. 1. Got a problem with my 2010 Nox V6 2LT. Of course most know that you need to have the BCM programed for it to work. • Three or more of the following Environment ID DTCs (B3978 00, B3979 00, B3980 00, B3981 00) are current in the BCM. I realise there seems to be a tsb concerning the BCM. S. In operation, when the key is turned, the BCM reads the key chip and then sends the code to ECM as a start request. Wildly sweeping instrument cluster dials are also a tell-tale sign of body control module failure, as is irregular door lock and radio operation. My problem is that I live in the caribbean and have no way of getting the bcm flashed or programmed with upgrades at chevy dealer because there is none close to me. The chance of such issues Customer: No code machine Mechanic's Assistant: Has the battery been disconnected or replaced recently, apart from the BCM replacement? Customer: Yes Mechanic's Assistant: OK. The customer decided to have us replace the shifter. So I was able to track down a used BCM and plug it in. To better assist you, could you clarify if you're experiencing any specific issues with the vehicle related to this wiring? C/S has had to jump start vehicle the previous 2 days due to the battery discharging overnight. the bcm is not going fully into a "sleep" mode when you turn of/lock the vehicle. Check if there are any obvious Apr 1, 2022 · Erratic Electrical Function A faulty body control module can also cause intermittent operation of various electrical functions, such as a vehicle’s horn, lights, and wipers. No comms with TCM… Aug 22, 2022 · So maybe you turn the key and the BCM (moon) is validating your key OK, but then he can’t tell the ECU he’s done because either the ECU isn’t really running, or he can’t communicate with the BCM. The BCM, or body control module, controls and monitors all of the electronic accessories in your car. What is the Ignition Switch Customer: 2010 Chevy Truck Equinox AWD L4-2. Jun 2, 2022 · The cause of the condition may be possible water intrusion to the Body Control Module (BCM) from the HVAC drain hose leaking at the connection to the HVAC module. I have a 2007 Equinox LT. seat, it would be in the area of your left knee on the center HVAC console. Apr 13, 2019 · Yes the BCM controls the door locks. , on the vehicle listed above LT model. https://www. Jan 27, 2025 · The following are several of the most common symptoms associated with body control module failure. I also replaced the battery and traced the wires coming from the BCM and made sure the grounds were tight and not corroded. The fuse block is located on the front passenger side, if you were sitting in the passenger seat it would be near your left knee. Hope this helps, let me know how it's going. Performed scan… Jun 19, 2011 · For those vehicles that use a BCM, the BCM can learn the resistance value of the existing key by using the relearn process. Usually a bad or failing EBCM will produce a few symptoms that can alert the driver of a potential issue. Revised February 13, 2019– Removed Holden Equinox, added Descriptors to the DTCs, inserted an Important that states the Battery Monitor Module may also be called the Battery Sensor Module and the Battery Monitor Sensor and created an updated Service Procedure. Basically if you were to sit in the pass. To program and setup an existing BCM, perform the following procedure: 1. 5L 99,000 miles I’ll start with all the issues then codes Despite having a mile long list of trouble codes, the car runs and Aug 25, 2015 · Hello all. Here’s a step-by-step guide to diagnosing BCM problems: Vehicle Inspection: Start with a thorough visual inspection of the vehicle. So how do you know if you need a body control module reset May 28, 2021 · The BCM is commonly located above/around the pedal cluster, or next to the steering column in the passenger compartment. Jan 7, 2016 · When the EBCM fails it can disable the ABS and sometimes cause issues with braking the vehicle. Avoiding these warning signs or delaying taking action could cause further vehicle damage, or even a system-wide failure. In this video, you will learn the symptoms of a bad body control module. If you are experiencing symptoms related to the ignition switch, this discussion aims to provide help and guidance. Notice says that GM does not have the parts at this time to fix the problem Dec 16, 2017 · Aaron always calls me with fun ones, and today's project certainly did not disappoint. Nov 21, 2023 · Problems with Chevy Equinox. -BCM unplugged. One of the most common problems that Chevy Equinox owners face is a damaged or defective timing chain in a V6 engine. Please let me know if they ever resolved your vehicles problem Thanks, dehlers Dec 9, 2016 · In my 2014 the BCM #4 fuse is in the inside Instrument Panel Fuse Block. When the BCM malfunctions, it can cause a range of issues. Jul 6, 2016 · The low beams use a Pulse Width Modulated Circuit from the BCM. When dealing with potential BCM issues, a systematic approach can help pinpoint the problem and differentiate it from other vehicle problems. Step 1: Body Control Module Reset – Troubleshoot. Diagnostic Steps for BCM Issues. On the SPS Supported Controllers screen, select BCM Body Control Module - Programming and follow the on-screen instructions. Aug 8, 2022 · Did you ever figure out the problem with this because I’m having the same issues with my 18 equinox. However, the different effects and driver notifications may be caused by one of the wires in the wiring harness being chafed or cut. 4 LEA Vehicle was driven in for a CEL and low power condition. Didn't fix the mirrors either, so I guess I'll have to get the service manual and start following wires. So when you start to see problems crop up with various electronic accessories at once, there is a good chance there is something wrong wit Aug 8, 2019 · I have had a new BCM put in from a dealership and put di electric grease on all the connections going to the BCM. The BCM must be programmed with the proper RPO configurations. The BCM stores the information regarding the vehicle options and if the BCM is not properly configured with the correct RPO codes, the BCM will not control all of the features properly. See your owners manual for a description. Dec 22, 2021 · John "some suffer from insanity; I choose to enjoy it" '16 Equinox LTZ AWD 3. Only then will ECM start the vehicle. com Monday – Friday 8:30 AM – 7:30 PM EST Mar 28, 2013 · Was the no start with turning the ignition on ever resolved with your 2013 Equinox? Mine is experiancing the same problem. However, diagnosing and repairing BCM issues often requires specialized equipment and expertise, so you may need to consult a professional mechanic. It seems that there are 2 separate actions to activate the starter. 2007–2012 Chevrolet Avalanche, Corvette, Silverado, Suburban, Tahoe 2008–2012 Chevrolet Silverado Hybrid, Tahoe Hybrid 2007–2012 GMC Sierra, Yukon Models 2008–2012 GMC Sierra Hybrid, Yukon Hybrid 2008–2009 HUMMER H2 Equipped With Gasoline Engine and 6 Speed Automatic Transmission 6L80 (RPO MYC) or 6L90 (RPO MYD) Revised December 12, 2018– Added the Holden Equinox model and DTCs P305D and P305E. The vehicle will not crank, will not start. We purchased the car last March and have driven it without any problems until this Monday. 2018-2019 Chevrolet Equinox 2019 Chevrolet Blazer, Silverado (New Model) 2014 GMC Sierra 1500 BCM is awake (approximately 20 minutes after ignition Off). Based on the data from the current sensor and the charging conditions listed below, the body control module (BCM) determines the best charging routine. I have been battling this problem for over a year. com : Car complaints, car problems and defect information Oct 24, 2023 · 2013 Chevy Malibu LT 2. The EPMS system monitors battery usage with the battery current sensor. involves the 2020 Chevrolet Corvette, Cadillac CT5 and CT4, as well as the upcoming full-size Chevrolet, GMC, Cadillac SUVs and Buick Envision. Oct 26, 2020 · GM Issues Fix For Chevy Express, GMC Savana Body Control Module Problem In Canada . The Chevrolet Equinox BCM is a crucial part of your vehicle's body control system. The total number of U. Refer toK56 Serial Data Gateway Module: Programming and Chevrolet Corvette 2005 - 2013 All All All All Chevrolet Equinox 2007 - 2009 All All All All Chevrolet Express 2008 - 2017 All All All All Chevrolet Impala Limited 2006 - 2016 All All All All Chevrolet Monte Carlo 2006 - 2007 All All All All Chevrolet Silverado 1500 2007 - 2013 All All All All Chevrolet Silverado HD 2007 - 2014 All All All All Mar 28, 2025 · But before that, I needed to work on some electrical issues. I get to the vehicle and it's a no-crank no-start. The most common symptom of a problem with the EBCM is an illuminated ABS Light. • The Body Control Module (BCM) is the master module (for GEM vehicles) that TLC reads to determine the VIN of the vehicle. Currently waiting for them to pickup the car for a fourth time to the shop. You need a high end scan tool like a Tech 2 or higher end Autel tool (bi-directional scan tool) to program it. com/bad-body-control-module-symptoms/Got a car question an The Chevrolet Equinox Body Control Module is a very significant module that affords the Chevrolet Equinox reliability and greater dependability of the Chevrolet Equinox a mid-size crossover SUV. The power flow for the right low beam is: Battery -> High Beam Relay #48 -> BCM input, connector X5 Pin #18 -> BCM output, connector X4 Pin #1 -> Rt. BCM problems can also mask issues with other modules in your Dec 17, 2017 · Aaron always calls me with fun ones, and today's project certainly did not disappoint. Reply 1: Here are the wiring Dec 31, 2022 · Below are five simple steps to repair the BCM and alleviate electrical issues. By Sam McEachern. Nothing seems to work. It will take at least 4 business days. I recently had the bcm and pcm replaced at the dealer. $770 - a very expensive battery charge. • The BCM may have set DTC B389A 00, and it is current. Checked all fuses and bulbs. I replaced the #27 fuse which is 15 amps, I also bought new 2057 Bulbs. The battery keeps draining nearly everday. Reprogram the K56 Serial Data Gateway Module: Programming and Setup. Mar 28, 2022 · Either way it made no difference so I think I eliminated the BCM. All of this started when I had the sunroof cracked open, and a freak hail storm hit, and i just happened to be parked under a 4inch drain pipe. 2. With a scan tool, access the Service Programming System (SPS) and follow the on-screen instructions. The BCM in most vehicles is located inside the dashboard. I drive a 2018 Chevrolet Equinox. Customer: Need to know the red/green wire that is on the white neutral pin going to the BCM on a 2020 equinox Mechanic's Assistant: Thank you for providing the model and year of your Chevy Equinox. Knowing how to spot these symptoms and taking timely action for a body control module reset or repair can be crucial to maintaining the vehicle’s operational integrity. Read here for more information. On the 3rd day/attempt to jumpstart the vehicle will no longer start. Dec 19, 2024 · The U0140 code stands for “Lost Communication With Body Control Module (BCM)”, which usually means the BCM isn’t properly transmitting or receiving signals from various switches and sensors in your vehicle. Information display shows a message “Press brake to start” even when the pedal is pressed-vehicle is a push button start, can go into KOEO (service) mode normally. Found the issue BCM Fuses blown 2018-2024 Chevy Equinox. After cleaning and putting a dehumidifier Apr 22, 2018 · Overview of the Ignition Switch Recall Many Chevrolet Equinox owners are currently facing problems related to the ignition switch recall. Now I'm able to get power to most things. A TEC2 scan tool shows body code B0100 (front impact sensor How to tell body control module (bcm) failed and should be replaced and reprogrammed. Serial Data Message Authentication also needs to have the ignition off. it will need to be reprogrammed by your dealership. First, check the possible causes, which include a faulty Controller Area Network (CAN) Communication System, a faulty Body Control Module (BCM), an open or shorted Body Control Module harness, or a poor electrical connection in the Body Control Module circuit. Nov 19, 2021 · Now if you mean the body control module (BCM), then yes you need to have that programmed as you said. So in your case, I'm guessing that the BCM is not sending the correct challenge Feb 26, 2020 · Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. In order for the vehicle to start, the BCM (as well as the Passkey module in other vehicles) must identify the resistor pellet in the key, then the BCM sends a password to the PCM. ewf zegpjw fgfuja kkabt cugsr esyjwo qwpn frxlqo kvjy knv katuqw ovgjhmv gmhhab woxu typeq