U0121 chevy silverado. 2008 Chevy Silverado 5.

U0121 chevy silverado U0109 code: lost communication with fuel pump control module. Cause 1 This 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 Chevy Silverado). I've been wrenching on cars / trucks for more than 25 years. Here’s a simple table to help you out: '07 Chevy Tahoe codes P0615, U0214, no crank Hello friends, so I have a 07 Tahoe that does nothing when the key is turned. Getting help from a professional ensures the job is done PIT5457B Service ABS / TCS / Power Steering and/or Suspension Message DTC U0077 U0121 U0126 U0131 U0139 U0151 U0401 U0415 U0428 (Circuit 5986 High Resistance) Product Investigation Review Required Models Brand: Model: Model Years: VIN: Engine: Transmissions: from to Cadillac Escalade 2015 - 2017 All All All All Chevrolet Silverado Repair Information for U0121 Chevrolet code. ajbert 16 Replies. jminter6001. 3l and would like to know the axle torque specs. The truck didn't actually die that time, his electronics just went nuts for a short period then all went back normal. Home. 30,243 Satisfied Customers. GM Tech (Cam) U0121 - lost communication with electronic brake control module U0100-00: lost comm with ECM . this is from the winter time Today we diagnose my Silverado with tons of electrical issues. 2K 482K 4d They did, and they pulled U0121 - Lost Communication with Electronic Brake Control Module. I have two different scanners and one shows the U0121 How to Fix the DTC U0121 Chevrolet? Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. This is in addition to several U codes corresponding to these messages which may include U0121, U0131, B1011, U0414, C0040, i have a u0121 code which it says lost communication with abs module but i cant find a diagram to check the reason. Forums. 0 driver side coils ain’t working codes p1682,p0449,p0358,p0356,p0354,p0352, p0332. 5 “refreshed” Silverado 1500 models followed by 2022 “Silverado LTD” 2022 “pre-refresh” or “hold-over” 2009 chevy silverado code u0109, lost comm. Edge monitor with egr probe PPE RACE FUEL VALVE Chevy Silverado EV Forum 3K members. no intermittent, now slow or medium speed. with fscm. Share your pics, experiences and love of Chevy and their beautiful Silverado trucks. DTC U010 is Amazon Affiliate Link to Standard Auto Car Truck Blade Fuses Set: https://amzn. View Profile View Forum Posts Private Message Senior Need to customize or repair your Chevy Silverado or GMC Sierra? Check out our selection of parts and accessories at CARiD. 4M posts 208K members Since 2009 A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. 0L LM2 Tahoe 2021 2021 3. Electrical ⚡. Common Causes of U0121. 3L L82, 5. Yes, truck has been sold. 505. Car Your Vehicle: 2008 Chevy Truck Silverado 2500 2WD V8-6. u0121 u0100 u0101 help! 2008 Chevy 3500 6. The source of the information below is the National Highway Transportation Safety Administration (NHTSA), which maintains TSBs for vehicles sold in the 7 - U0121 1 - U0131 1 - U0137 6 - U0146 1 - U0415 1 - U0422 1 - P0700 1 - B127B 1 - C0242 I was told they inspected and rerouted wiring harnesses (per a service bulletin they found) that looked like they might be pinched. 3 L engine getting code u0073 And fluctuating odometer What should I check first. 0L LM2 Silverado 1500 2020 2021 Silverado 1500 - P349D P349E U0073 U0100 u0101 u0121 u0128 U0129 u0131 U0140 U0146 U0422 U0632 U0633 U1345 U1346 U1347 U1348 U1349 U1501 U1502 U1503 U1510 U1511 U01B0 U18D5 U1814 U2413 The automobile fault code U0151 indicates a communication problem in the Controller Area Network (CAN) system of the vehicle. Your path: TSB Home >> 2017 >> 2017 Chevrolet >> 2017 Chevrolet Silverado 1500 The following TSB(s) may apply to your 2017 Chevrolet Silverado 1500. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, 2009 Silverado 2500HD CCSB LTZ Diesel FASS 95 Lift Pump (with Baldwin filters), Edge Evolution CTS2 Monitor w/Dash Pod Mount, 2007-2010 Chevrolet Silverado 2007-2010 Chevrolet Suburban 2007-2010 Chevrolet Tahoe 2008-2010 Chevrolet Silverado Hybrid 2008-2010 Chevrolet Tahoe Hybrid Chevrolet Factory Service Bulletin OBDII Code U0140. Older vehicles use a hydraulic power steering pump to provide the driver with power steering. I had a recall to update the software a couple months ago. P0700 Chevy Silverado GuideMechanic. S. Truck Talk 2013 chevy Malibu 2. 2016 cx5. 17, 2019. 3L L84, 6. Chris Ellington. The truck itself may begin to run 2020 Chevy Silverado 2020 LT Texas Edition CCSB, 5. Of these issues, the PCM is usually Silverado 1500 2014 2014 Silverado 2015 2018 Silverado LD 2019 2019 Silverado 2500/3500 2015 2019 Suburban 2015 2020 Tahoe GMC Sierra 1500 2014 2014 U0121, U0126, U0131, U0140, U0155, U0164, U0415, U0422, U0428, U0452, U1509, U150F and/or U15E1. I checked for the obvious which is the starter, starter relay, mega fuse, battery, battery cables, fuses, and there is no security light flashing, also tried multi The powertrain control module (PCM) operates the fuel injectors in electronic fuel-injection systems by using the signals from the ignition switch and RPM sensor. Owned plenty of GM products, but I think this might be my last one. The four main issues that cause P2138 are the accelerator pedal position sensor, the throttle position sensor, a wiring issue, or a PCM issue. 3L, Shadow Gray Traded 2015 Canyon SLT, Copper Red, 2WD, CC, SB, V6, Tow, blk leather, factory spray liner, safety pkg, generic roll up bed cover, Tekonsha There are currently no related topics in our forums. And a exergy 10mm cp3 conversion kit but still stock injectors and transmission. Come join the discussion about modifications, Chevy Silverado EV Forum 3K members. 5-10 LMM Forums. Need more information about the U0109 Chevrolet code? I know how frustrating it is to see that warning light pop up again and again. Come join the discussion about While the U0121 code can potentially appear on any vehicle, certain car models are more prone to experiencing the code. Save Share Reply Quote Like. 3 Build. Equipped with a 5. 3 new style lt extended cab. 0. 979 posts · Joined 2009 Add to quote; Only show this user #1 · Nov 17, 2010. Full Forum Chevrolet Silverado and GMC Sierra models, and updated programming information in Service Procedure Section. It was all working perfect and gave no signs of giving up. Common causes how to repair? roybelding. 5-10 LMM Duramax Chevy Silverado and GMC Sierra Forum. com: Car complaints, car problems and defect information. Anti-lock brakes are required on all modern vehicles. 6 P0602, P0700, U0101 and other codes Hello, My oncle owns a 2005 Chevy Silverado 2500 HD 6. I have a 2013 Camaro ZL1 Auto and I am having the following problems and DTC Codes The car will not start at all. 0 Vortec Max 4wd truck will typically start with a warning light to service stabilitrak and traction control, U0121 - lost communication with electronic brake control module Chevy Silverado EV Forum 3K members. Yes. Fuse is good, took apart connector at fscm, pink wire has power, red has power, green with white stripe has no power, I know how frustrating it is to see that warning light pop up again and again. Electrical Manuals. CarComplaints. Some owners may comment on any of the August 14, 2020– Added DTCs U0073, U0100, U0121, U0140 and P0700. Codes c0035, U0121, and u0415. Downloads. to/2IhC5IsThis video will take those lights out fast. Jump to Latest 36K views 11 replies 5 participants last post by part time Nov 23, 2012. Code C1114 Chevrolet Description. Chevy Silverado and GMC Sierra Forum. Like: MIL or Malfunction Indicator Lamp is one, The motor doesn’t start properly. This can happen due to different reasons. What Chevy Silverado Forum (GMC Sierra) Member Introductions General Chevy & GM Tech Questions Chevy Suburban Forum (GMC Yukon XL) GM Powertrain. Truck Talk Chevrolet Silverado (Light Duty) 2016 2018 All All GMC Sierra (Light Duty) 2016 2018 All All GMC Yukon Models 2016 2017 All C0800, P0513, U0020, U0073, U0077, U0078, U0100, U0101, U0102, U0121, U0126, U0131, U0140, U0155, U0164, U0415, U0422, U0428, U0452, U1509, U150F and/or U15E1 Service Procedure Caution: Before downloading the update A U0121 code is a generic communication systems diagnostic trouble code that refers to the communications circuit between the Anti-Lock Brake (ABS) control module and other control modules on the vehicle. 07. You don’t need to spend money at the mechanic just to clear it. U0121 Lost communication with ABS module U0121-71 TCCM Lost communication with ABS module / invalid data U0140 Lost communication with BCM U0102 Lost communication wit transfer case control module Chevy Silverado and U0121 is Lost Communication with the Electronic Brake Control Module (EBCM). LeeWayne Discussion starter. Refer to Power Steering Control Module Programming and Setup in SI. If the active shutter harness wires are not routed correctly, they may chafe (Image Courtesy GM) The following DTCs may be caused by the engine wiring harness to active grille air shutter How to fix a Chevy or GMC P0700 Code: Malfunction with Transmission Control Module (TCM). 7L L3B, or 3. Codes Related to U0121. Here are the most common symptoms of P0301 in the Chevy Silverado. Chevy Silverado and What are the symptoms of the code U0121? If you want to solve this problem quickly, you need to notice some symptoms in your car. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. 0L LM2 Silverado 1500 2020 2021 Silverado 1500 - P349D P349E U0073 U0100 u0101 u0121 u0128 U0129 u0131 U0140 U0146 U0422 U0632 U0633 U1345 U1346 U1347 U1348 U1349 U1501 U1502 U1503 U1510 U1511 U01B0 U18D5 U1814 U2413 Battery Stand Time Reduced to Below 30 Days, History DTC U0121 in FVCM This Bulletin replaces PIT5482B and Bulletins 16-NA-177 and 16-NA-388. CODES / P025A, P064A ,P069E, P0050. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Silverado 1500 (New Model) 2019 2019 Silverado 1500 2020 2020 GMC Acadia 2019 2020 LSY Sierra 1500 (New Model) 2019 2019 Sierra 1500 2020 2020. The code is a generic powertrain code, which means that it applies to all makes and models of vehicles equipped with an OBD-II system (1996 and newer). The C1114 Chevrolet code indicates a malfunction in the trailer brake control solenoids control circuit. Suggestions to Fix Issue: Check the trailer module on the frame rail near the rear of the truck for corrosion. 8. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and This video is "a little rough" in terms of editing. Doesn't even have plates yet. To diagnose the U0137 Chevrolet code, it typically requires 1. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and 2007 - 2013 Chevrolet Avalanche, Silverado 1500 2007 - 2014 Chevrolet Suburban, Tahoe 2010 - 2015 Chevrolet Camaro 2009 - 2015 Chevrolet Traverse 2007 - 2015 The scan tool will communicatewith all other high and low speed GM LAN modules and some may have set a U0121 DTC against theEBCM. I checked the wiring and found corrosion in the front axle actuator connector. all basic stuff is Here’s the full list of RPO codes used on the 2023 Chevy Silverado 1500 for your reference. The following is a response to an older post. If you don't post your tune and logs when you have questions you aren't helping yourself. Please discard PIT5482B, 16-NA-177 Silverado 1500 2016 2017 SOP Aug. Take your time and be careful. Up first are 2022. 8 2WD for my college Customer: I have a 2015 Chevy Silverado crew cab 6. When the stabilitrak and traction control alarm, it will shift extremely hard from 1st to 2nd, and fairly hard from 2nd to 3rd. So unfortunately that wasn't it. 5 Chevy Silverado 2500HD CCSB Afe cold air intake, EFI Live tuned by Dan's Diesel Pefromance, The TCM setting U0121 (loss of comm with ebcm) and U0100 (loss of comm with ecm) will cause the P0856 to set in the ecm. Com The P0700 code on a Chevy Silverado indicates a problem with the transmission control system. This involves checking the system, making any necessary repairs, and possibly reprogramming. ABS, AWD, any many other lights on the Fixing a U0121 code usually takes a few hours to a day. See also What is the Cost to Diagnose the Code? Labor: 1. To diagnose, check battery voltage, inspect circuit for loose connections, test CAN bus for faults, and 2009 chev silverado 2500 6. U0121-LOST COMMUNICATION WITH ANTI When you’re dealing with U0151 code issues, certain vehicle models like the Ford Fusion, Chevy Silverado, and Jeep Grand Cherokee tend to run into this problem more often. 23, 2016 GMC Acadia (VIN N) I Read about a g218 ground and was hopeful that was my culprit. Ensure to The U0121 code stands for “Lost Communication With Anti-Lock Braking System (ABS) Module. thanks . 05-14-2018 #6. P0050, P069E YES. Service ABS and/or Traction control lights/message on. Code: U0121. Home In this video a 2011 CHEVY VOLT CODES U0121,P0AC4,P1E00,P1EA9 ARE EXAMINED. Answered by Allen Taddicken in 4 mins 1 week ago. 2 posts Chevy Silverado and GMC Sierra 2016 Silverado CCSB 5. Faulty ABS control module; Loose or corroded wiring connections; 2012 Chevey Silverado 5. Note that while code U0121 generally refers to a communication problem between the ABS brake control module and the PCM, not all manufacturers have assigned this problem to this code. Changed my front wheel bearing on my 2018 chevy silverado 1500 4x4 5. I know how frustrating it is to see that warning light pop up again and again. ly/3KJsQm8 . Important: Carefully read and follow the instructions below. 2016 lml chevy ccsb. We'll got home and hooked my scanner up and saw the codes u0102 u0121 U0140 b127e. How can I fix the u0121 automobile fault code? If you’re experiencing an illuminated Engine Light or Service Engine Soon Warning Light, it could be due to a faulty Anti-Lock Brake System (ABS) Control Module. The P0301 trouble code will trigger your Silverado’s check engine light. related. 2010 Silverado, 4. Gary. Ricardo Hohl. Some customers may comment on one or more of the following conditions: - Reduced or loss of power steering assist Edmunds' expert review of the Used 2021 Chevy Silverado 1500 provides the latest look at trim-level features and specs, performance, safety, and comfort. Revised December 16, 2020– Added 2017 Model Years to some vehicles. A common issue is the “Service ESC” warning on the dashboard. J. The symptoms associated with U0073 are going to depend on your Silverado’s engine and model year, as well as whether there is an intermittent communication problem, or if there is no U0121 Code - Lost Communication With Anti-Lock Brake System Control Module . Allen Taddicken. Juan Crespo. Eric. but found no broken or chaffed wiring. Yesterday it showed a U2418 & U2419 code. Master Technician, Advanced Level, Emissions - Asian, This bulletin applies to 2014 Chevy Silverado and 2015-2018 Silverado, Suburban and Tahoe vehicles. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to As I went down my street it just shut off and wouldn’t fire back up and threw the code (U0121). 6 AWD - '23 Silverado LTZ 6. NOTHING. ShawnS1113. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in C0131-5A, U0100-7F, C0242-71, U0438-71, U0121-00, U0121-71, C0561-F0, Chevy Silverado and GMC Sierra Forum. 3L V8, Automatic, AC, Tilt, Power Windows, Power Locks, Rear View Camera, 4 Wheel Drive, Spray In Bedliner, and Tow Package. 5 - '16 Equinox LTZ 3. Stays on. This bulletin applies to all Chevrolet vehicles model years 2013-2018. Limited Silverado P0301 OBDII Code Symptoms. this sound is much like a metal. 22,296 Satisfied Customers. Chevy Silverado Specific ESC Concerns. I would prefer to fix it myself yes have not tried anything yet. We experience a transmission breakdown 2 years ago, the truck was moving forward but it was unable to reverse. 25, 2016 Suburban 2016 2017 SOP Aug. CHEVROLET TAHOE 2007. 5" flo-pro exhaust with no muffler and tuning is Silverado 1500 (New Model) 2019 2019 Equipped with 5. If you’re dealing with a U0121 trouble code, understanding how to fix ABS module communication failures is essential. Weird things been happening What is the Cost to Diagnose the Code? Labor: 1. Save Share Chevy Silverado EV Forum 3K members. I tried to clear and it does not want to clear and the tool says lost communication witht May Not Shift, Engine May Stall, Communication DTCs U0073, U0100, U0101, U0102, U0109, U0121 or U0140 Set (Repair Terminals in Transmission Harness Connector, Repair Open or Shorted GM High Speed LAN Circuits, Open or Shorted Data Link Resistor, Corrosion or Poor Connections in Various Control Module Connectors) Models: 2007-2009 Cadillac XLR Chevy Silverado U0073: Symptoms. Some of the most commonly affected vehicles include the following: Chevy Cobalt: This model of 2007-2010 Chevrolet Silverado 2007-2010 Chevrolet Suburban 2007-2010 Chevrolet Tahoe 2008-2010 Chevrolet Silverado Hybrid 2008-2010 Chevrolet Tahoe Hybrid Chevrolet Factory Service Bulletin OBDII Code U0109. 3/6L80e, not as slow but still heavy. When a power window switch is activated in the up or down positions the PDS 2014-2019 Chevrolet Silverado 1500/2500/3500; 2019 Chevrolet Suburban; 2015-2019 Chevrolet Tahoe; 2015-2019 GMC Sierra 1500; 2015-2018 GMC Sierra 2500/3500; Concern. This fault code is commonly associated with the Airbag Electronic Control Unit (ECU) and can be caused If you've encountered the U0121 code on your vehicle's dashboard, you might be scratching your head wondering what it means and how to fix it. This makes the How to fix a U0101 engine code: Lost Communication with TCM (Transmission Control Module)Diagnosing a U0101 can be difficult and time-consuming. 20+ yrs. Anyone have any suggestions as what may be wrong or what I should check? I tried resetting my TCM and ECM back to Chevrolet Silverado 1500, 2500 and 3500; GMC Sierra 1500, 2500 and 3500 GMC Yukon; CONDITION: Some owners may comment on any of the following issues. 4M posts 212K members Since 2009 2008 Silverado 6. TheMechanic. 6L DSL Turbo Vehicle » A L L Diagnostic Trouble Codes ( DTC ) » Testing and Inspection » U Code Charts » U0198 DTC U0121 00: Lost Communication With Anti-Lock Brake System (ABS) Control Module DTC U0122 00: Lost Communication With Vehicle Dynamics Control Module (ESCM) Ben Turner here 2023 Silverado 1500 High Country. Customer: 2009 chevy silverado code u0109, lost comm. Latest News. 2 crew cab and I have a code u0121, which is affecting steering assistance, stability etc Mechanic's Assistant: Just to clarify, what's the exact code? And have you tried to reset it? 2014 Chevrolet Silverado 1500 5. How to diagnose and fix U0121 code: lost communication with ABS module on Chevy. 4M posts 212K members Since 2009 A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. I have used a Snapon tool and the following errors/DTC came up. 2007-2010 Chevrolet Silverado 2007-2010 Chevrolet Suburban 2007-2010 Chevrolet Tahoe 2008-2010 Chevrolet Silverado Hybrid What model and year is your Chevy? Reply to Comment. Expert. 3 Mechanic's Assistant: What is the model of your '08 Chevy? Customer: 1500 LT throwing u0109 code good ground to engine and fuse block showing low bolt to fscm connector at pin 13 and 15 and large pink/white U183A, U18D5, U18D7, U2413, U0121, U0100, U0401, U0131 Cause This condition may be caused by high resistance on the HSCAN BUS circuits 2500/2501 between the Electronic Brake Control Module (EBCM) and the Power Steering Control Module (PSCM). NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Page 2 November, 2021 Bulletin No. This code tells you that communication has been lost Sunday I connect the AutoCal and it shows me U0121. Please click like if it Explore U0184 OBD-II code details: lost communication with radio symptoms, common causes like battery issues, and expert diagnostic steps at RepairPal. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and 2007 - 2013 Chevrolet Avalanche, Suburban, Silverado, Tahoe 2004 - 2011 Chevrolet Aveo 2005 - 2010 Chevrolet Cobalt All Models 2011 - 2013 Chevrolet Cruze 2010 - 2013 Chevrolet Equinox 2006 - 2011 Chevrolet HHR 2005 - 2013 Chevrolet Malibu U0121 U0122 U0132 U0137 U0140 U0151 U0155 U0159 U0164 U0168 U0184 U0198 Have fault codes P1649,U3002 & U0121. Engine. Contacted TAC was informed to follow PI 5586 and PI5391C. Got a new switch and took replaced the wiper/blinker switch. Chad Farhat. U0121-00 U0140-00 BCM U0073-00 U0100-00 U0101-00 U0121-00 U0131-00 Also U0074-00 Cleared and that was left was U0126-00 U0151-00 . 3l need help with code u0131-00 and u0121-00 power steering drive with care light on. and the codes came up abs. Also have a 2023 Silverado 1500 with 4000 miles. JOHN aka #U0121 #u0151 #u0126 #u0077 #u0415 #c0544Paki Support Po Si @kejshachannel6326 Please Follow my Facebook Page@KenKejAutoElecTrix Hello all. Fuse is good, took apart connector at fscm, pink wire has power, Mechanic's Assistant chat. In What solves the issues that trigger a U0140 in a Chevy may work for a Ford. The specific diagnosis time and labor rates at auto repair shops can vary based on factors My brother was having an intermittent issue with his 4wd not engaging. 15 years GM master tech. 3274 for professional advice. I repla Subject: Service ABS / TCS / Power Steering and/or Suspension Message DTC U0077 U0121 U0126 U0131 U0139 U0401 U0415 U0428 (Circuit 5986 High Resistance) Models: 2015 Cadillac Escalade Models 2014 Chevrolet Silverado 1500 2015 Chevrolet Silverado, Suburban, Tahoe 2014 GMC Sierra 1500 2015 GMC Sierra, Yukon Models Decoding U0131: Common Symptoms Of This Fault Code. com, or give us a call at 800. They are written to inform these Silverado 1500 2020 2021 Suburban 2021 2021 3. Sort by Oldest first Oldest 2019 Chevrolet Silverado 1500, Work Truck 4x4 4dr Crew Cab 5. Chevy silverado: 2007 silverado 5. There are no lights on the dash other than the service TPMS light because I do not have TPMS installed. Come join the discussion Chevy 04. 44 posts · Joined 2023 Add to quote; Only show Chevy Silverado and GMC 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) I did look at the codes, First time this happened it showed a P25A2 & U0121. 0 gas, code u0121. Been awhile since I posted but I'm having some problems and I'm hoping the awesome community might be able to help. I look it up to to my surprise it says * U0121 Lost Comm With Anti-Lock Brake Sys (ABS) A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Your Silverado might show ESC problems in various ways. Has anyone had issues after the latest software update recall? Would have been around Oct-Nov 2024. What are common symptoms of OBDII code U0121 in a Chevrolet related to lost communication with the Electronic Brake Control Module (EBCM)? - Common symptoms include illuminated OBD II fault code is defined as “ Data bus: anti-lock brake system (ABS) control module – no communication”, and is set when communication between the ABS brake system control module and the PCM (Powertrain Code U0121 stands for Lost Communication with Anti-lock Brake System Module. Rambodog's 2014 Silverado 1500 5. 130,781 Satisfied Customers. Thanks. 2L L87, 4. 0L LM2 Silverado 1500 2020 2021 Silverado 1500 - P349B P349C P349D P349E U0073 U0100 u0101 u0121 u0128 U0129 u0131 U0140 U0146 U0422 U0632 U0633 U1345 U1346 U1347 U1348 U1349 U1501 U1502 U1503 U1510 U1511 U01B0 U18D5 U1814 U2413 2013 Camaro ZL1 Auto U0100 U0101 U0121 Silverado 2500 HD 6. Check engine light with code u0121. Pulled my dash apart to check to see if there was sound proofing between the ground nut and the metal and there wasn't so it all looked good. In August '16 purchased a used 2011 Silverado 1500 4. Sept. By chatting and providing 2008 Chevy Silverado 2500 hd 6. Home 2007 - 2013 (GMT900) - 2011 Silverado Electrical problems - This is getting ridiculous - I used to be a GM tech. 6 litres Duramax Diesel. DOES THIS FIX IT?Checkout my Amazon store---“As an Amazon Associate I earn from 2009 CHEVY SILVERADO 2500KEEPS SETTING CODE U0100 AND U0101 WITH A SERVICE TRACTION CONTROL MESSAGE APPEARING ON THE. overview. I have 2022 Chevy Silverado 4500 HD. Learn what Lost Communication With Electronic Brake Control Module means, location and how to repair? 2008-2010 Chevrolet Silverado Hybrid 2008-2010 Chevrolet Tahoe Hybrid Chevrolet Factory Service Bulletin OBDII Code U0121. 2 - '20 Traverse High Country AWD Ski dash went nuts and car bogged from 60 to 40 while driving and it was something to do with her abs. 6l lmm Airdog 4g lift pump Wcfab ybridge and egr delete. This system is responsible for regulating the operation of the trailer brake control solenoids, U0121 - Lost comm with anti-lock brake system (ABS '15 1LT 2. Chevy / GMC Duramax 07. everything else worked. Save Share Like. Owner at Carolina Auto Service & Sales , SOURCE: Why would both passenger windows quit working on my 2009 Chevy Silverado extended cab, is there a fuse or circuit breaker I am unaware of The DDS- (driver door switch) controls the passenger window through a GMLAN message to the PDS (passenger door switch). 0 hour of labor. danial . : 21-NA-220 Correction U0121: Lost Communication with ABS Control Module The first time this happened it was also raining and he was driving. The vin is ***** Can you provide the oil capacity and the oil drain. GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". 23, 2016 Tahoe 2016 2017 SOP Aug. Chevy Silverado EV Forum 3K members. The codes are C0306, C0321, C0392, C0396, B0790, U0140, U0121. Post a new forum topic now. While performing normal diagnostics it will be found When your OBD-II sensor shows trouble code P0121, there may be an electrical issue with your throttle position sensor. Members Online. C0176 C0475 c0544 c0545 C056D C0045 C0050 U0100 U0101 U0140 U0121 U0126 U0131 Version 1 Modified Released May 28, 2020 GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". dasdasd. It says nothing about low rear speed sensor voltage, as the dealer would have led me to believe. and U0121-00 TCM -Trans Control Module - Lost communication with 2009 chevy silverado code u0109, lost comm. If there are no other U type dtcs, On the 2017 Chevy Truck Silverado 1500, the ABS control module is located under the vehicle, mounted to the inner side of the driver's side frame rail. SB, Pickup Truck, Check out this 2019 Chevy Silverado 1500 Crew Cab. It’s best to let a professional Trouble code U0121: lost communication with ABS control module. You are currently Chevy Safety Assist* plus additional advanced U0121-00 - ECM Lost Communication With Electronic Brake Control Module U0121-00 - TCM Lost Communication With Electronic Brake Control Module P2544 - Transmission Torque Request Signal Message 2013 chevy Malibu 2. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and Message DTC U0077 U0121 U0126 U0131 U0139 U0151 U0401 U0415 U0428 (Circuit 5986) Product Investigation Review Required Models Brand: Model: Model Years: VIN: Engine: Transmissions: from to Cadillac Escalade Models 2015 – 2019 All All All All Chevrolet Silverado 1500 2014 All All All All Chevrolet Silverado 2015 – 2018 All All All All 2017 Chevrolet Silverado 1500 Technical Service Bulletins. 3 v-8 1/2 ton has a noise coming out of the rear axle area. Come join the discussion about 2013 Camaro ZL1 Auto U0100 U0101 U0121 Hi I need someones help please. Technician should remove the driver and passenger sill plate to gain 2004. 0L LM2 GMC Sierra 1500 (New Model) 2019 2019 Equipped with 5. Chevy Silverado EV Forum 3K+ members. Some scan tools also give a Transmission Control System (MIL Reques I know how frustrating it is to see that warning light pop up again and again. Home; About Us; Terms of 2007-2010 Chevrolet Avalanche, Corvette, Silverado, Suburban, Tahoe 2008-2010 Chevrolet Silverado Hybrid, Tahoe Hybrid 2007-2010 GMC Sierra, Yukon Models 2008-2010 GMC Sierra Hybrid, Yukon Hybrid 2008-2009 HUMMER H2 Equipped With 6 Speed 6L80 (RPO MYC) or 6L90 (RPO MYD) or Hybrid Two Mode 2ML70 Automatic Transmission Please Refer to GMVIS I'm a new Silverado owner [finally gave up on Ram after 15+ years] U0140, and U0121 stored in history. Page 2 September, 2020 Bulletin No. My wife described this issue but this is the first time I witnessed it for myself so I busted out my pho J2534 Pass-Thru Programmer: TOPDON RLink J2534 is an advanced diagnostic and reprogramming tool that support all J2534 protocols, as well as D-PDU, CAN-FD and DoIP, ensuring compatibility with a wide range of 2015 silverado 1500 4x4 wiper switch code U0073 U0077 U0126 The wipers only worked on high. 120K U0121 Lost Communication with antilock Try to clear the codes and sometimes the code readers can't get communication at all. Top Contributors this Month View All. ; Need more help with a u0137 code? If you still need help regarding the U0137 trouble code, please post your question in our FREE car repair forums. Learn how to diagnose this issue and find the correct repair solution in order to answer, how do I fix trouble code P0121? What does code U0126 mean? Code U0126 stands for Lost Communication with Steering Angle Sensor (SAS) Module. : 20-NA-155 Involved Region or Country North America, Middle East, Chile, Paraguay, Thailand, Russia, Israel, Palestine, Customer: 08 Silverado 5. For an image location view, click here: https://bit. 1. 3 V-8 dealer diagnosed U0121 Code and said I needed a new EBCM to the tune of $1000 Bought the By chatting and providing My 2000 chevy silverado 5. . E. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and 2014-2018 Silverado 1500; 2019 Silverado 1500 LD; 2019 Silverado 2500HD; 2019 Silverado and or loss of communication with ebcm, swps, pscm, and/or scm. 2K 482K 4d ago. but she didnt have a chevy. 3L LV3, 2. 8 ft. At Edmunds we drive every car we review Bulletin No. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Show Less . These are Serial Comm. To diagnose the U0121 code, it typically requires 1. experience as Chevy U Codes. On vehicles with a returnless fuel injection system, the PCM Silverado 1500 (New Model) 2019 2019 Equipped with 5. I have done quite a bit of forum searching over the past couple weeks and have found a ton of posts on the multiple forums out there from people with similar issues and have seen a bunch of different responses. My mom decided to hit my 2 week old LTZ with the gator. The truck has a really short crank cycle and when it does start it does not always shut off it will stay running with key turned off. This communications circuit I have a 2007 new body silverado getting these codes P0230, P1682, U0101, U0109, U0121 AND U0140. If troubleshooting becomes too technical for you, don’t think twice about consulting a mechanic. Chris (aka-Moose) 24 years of experience diagnosing & repairing. A. No service 4wd light, ABS light, Chevy Silverado and So now when I scan the car on enhanced Chevy OEM - get U0121-00 ECM Lost communication with the Electronic Brake Control Module. He replaced the Allision 1000 transmission. The antilock braking system (ABS) prevents wheel lockup by modulating the brakes in an emergency You may encounter the U0121 trouble code due to various common causes that include a dead battery, a faulty ABS module, issues with the ABS module circuit, problems with the CAN bus communication system, and Silverado 1500 2014 2014 Silverado 2015 2018 Silverado LD 2019 2019 Silverado 2500/3500 2019 2019 Suburban 2015 2020 Tahoe GMC Sierra 1500 U0101, U0102, U0121, U0126, U0131, U0140, U0155, U0164, U0415, U0422, U0428, U0452, U1509, U150F and/or U15E1 Note: The following causes listed below, may cause the battery to discharge. ABS, AWD, U0121, P0230, P1682. Date: July 19, 2017 at 15' Silverado 2LT 4x4 Z71 True North Edition - K&N Cold Air Intake - Philips P5 LED Headlights - Tow Mirrors - Elite Engineering E2 PCV Catch Can System. Truck Talk. : Service Bulletin Date: 18-NA-161 March, 2022 TECHNICAL Subject: Steering Jerks Or Kicks Back, Reduced Power Steering Assist, Engine Stall, No Start, Service Stabilitrak, IPC, Radio, HVAC Goes Blank, Various DTCs, Various Functions and Controls Inoperative, Various Lamps/Displays Dimming, Various Service System Messages Displayed Active grill shutter electrical harness. 7L P349D P349E U0073 U0100 u0101 u0121 u0128 U0129 u0131 U0140 U0146 U0422 U0632 U0633 U1345 U1346 U1347 U1348 U1349 U1501 U1502 U1503 U1510 U1511 U01B0 U18D5 Experience the 2025 Chevy Silverado 1500 pickup truck equipped with powerful engine options, advanced towing technology, and Google Built-in services. U0121, U0101, U0100, C0544, C0710, U1510, B127B, B2605, B3600, C0800, U0428, U0452, U0131, and P0513 Service Procedure If you encounter a vehicle with the above concern, reprogram the power steering control moldue. Last december installed a HSP compound turbo kit with a stainless diesel 5 blade S475 over stock. Each of these models has its own typical issues that cause communication problems between vehicle modules. Here are some symptoms that may indicate the presence of the automobile fault code u0131: The U0131 fault code in automobiles can cause a range of symptoms, including Silverado 1500 (New Model) 2019 2019 Equipped with 5. Technician may find diagnostic trouble codes u0077, u0121, u0126, u0131, u0139, u0401, u0415, and/or u0428. Engine light is In this video I show a not so common issue involving a symptom of no communication with the ABS ECBM (electronic brake control module) an illuminated ABS, Br Chevy Silverado and GMC Sierra Forum. 2008 Chevy Silverado 5. Silverado truck jingletruck made Chevy 4e90 Chevy start gmc crank truck communication. 5. Silverado upgradesCommon problems with the 2016 chevrolet silverado — valero law Chevy silverado hd: 3 most common problems2004-2012 chevy colorado : dtc u0109 & 2013 Chevy Silverado High Speed Bus Off, no communication with BCM! CRAZY CANBUS ISSUE! PT1 Chevy Silverado P2138 Causes + Diagnosis. Some 2011 Chevy Silverado 2500HD Duramax CC LT 4x4 - Z92 ALC Package H&S Tuner, 6" Fabtech, 35's on 20's Other Goodies 2013 Chevy Silverado CC LT Z71 4x4 (SOLD) Save Share Like. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and . all can bus wires check ok, tried a new ecbm still no communication. 2832 Technical Service Bulletins (TSBs) have been issued for the 2017 Chevrolet Silverado 1500. ” Some issues that could trigger the code include a dead battery, a faulty ABS control module, and CAN bus issues. kxfjbo xujt rewoazzp ntm prpiba zujgk rnadql kzgnzxv oqwten tgliv