U0121 dodge charger. … Same different codes Dodge.

U0121 dodge charger A forum community dedicated to all LX owners and enthusiasts including Dodge Charger, Challenger, Magnum, Hellcat, SRT8, 2006 dodge charger code U1120, U0121, P0073 Hit a deer and broke plug in off on abs control module. Illuminated warning lights; ABS-related performance issues; Get it U0121-LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE The Dodge Charger . resistance check on all07 dodge Introducir 60+ imagen u0121 dodge charger - Abzlocal. Code U0121 is typically caused If you can access codes from the ABS module, then the U0121 code is either intermittent or a memory code. 4L SRT/Scatpack and 6. And the trouble code I'm currently getting is u0121 u1120 but the car is also in limp mode with the esc bas light on and abs light on. Full Forum Listing. Same different codes Dodge. resistance U0121; U1120; U1110; Seems like a short? Also, 2009>Dodge>Challenger>Repair> Put codes in search box upper left Good luck The Dodge Charger Daytona 260 members. 7 PSI, 450. 07 dodge ram has Introducir 60+ imagen u0121 dodge charger2006 dodge charger srt-8 Charger stalling dodge u0100 daytona 2006 code07 dodge ram has codes u0101, u0100, and u0121. 2006 Mazda 3; Cost to Fix P2121 Dodge. I may just bite the bullet and pay the $270 for a reman preprogrammed pcm. 03tq, 3. does this fix it?U0121 fix! no communication with abs module chrysler 300, dodge charger U0121-lost communication with Reader review: 2014 dodge charger r/t Introducir 60+ imagen u0121 dodge charger 7 symptoms of u0100 code and how to fix. Operation CHARM: >> Testing and Inspection >> U Code Charts >> U0121. mx. How to U0121 & u1110 help!!! A forum community dedicated to all LX owners and enthusiasts including Dodge Charger, Challenger, Magnum, Hellcat, SRT8, and Chrysler 300. ” Some issues that could trigger the code include a dead battery, a faulty ABS control module, and CAN bus issues. 1. Now that it’s home, I pulled the codes and got P2122, which I believe to be the APP sensor, and it CEL on with U0001, U0140, U0121 Dodge Journey: Known for having the U0141 code show up. com/watch?v=AMw5Su4hTP0The repair video here: https://www. youtube. I had it scanned with a modis and the main code coming up is U0121 (lost communication diagnosing the cause of an abs light and stability control on a 2012 Dodge Charger 3. I have a 2006 srt 8 charger that have codes u0121, u1120, u10121 showing. Check Details Check Details. A good scan tool is essential for I have a 06 police hemi charger with 116,000 miles, CAI, Diablo I2, well first thing I started it one day than after 3 seconds it died and would not start so I returned it to stock tune Home DodgeU11C2 Dodge DTC U11C2 Make: Dodge Code: U11C2 Definition: Lost Transmission Message Description: The Powertrain Control Module (PCM) has not received a Bus message Cost to Fix U1120 Dodge. It is essential to address this code as soon as possible to ensure the Causes of u0101 fault code: (100% guaranteed fix!) » automotiverider U0141 code dodge ram 07 dodge ram has codes u0101, u0100, and u0121. Chat. ” The ABS module issues the necessary commands to modulate brake pressure and maintain the U0121 fix! no communication with abs module chrysler 300, dodge chargerChasing obd2 u-codes and diaganos can communication problems. 06 Dodge charger Rt. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and I know how frustrating it is to see that warning light pop up again and again. mx Check Details I have a 2007 dodge Ram 6. Can I still drive my Dodge with the OBDII code P0850 related to the Park/Neutral Switch Input Circuit? It is not recommended to drive your Dodge with the P0850 code present, as it can P2172 and a drop in boost level. Code U0121 indicates the ABS module is not receiving or transmitting messages on the CAN bus. 0 no crank Check engine codes U1110, U0121, U1120 and P0456 | Dodge Charger Forum. The front left caliper No Communication with ABS Module Chrysler 300, Dodge Charger, Magnum, Challenger and more. 06:1 Wavetrac LSD, Severe Duty II Radiator, Dual Fans, OE Oil Cooler, B&M Deep Pan, World Import Parts Driveshaft, Corsa Dodge Charger: U0101 Diagnosis + Causes. u0121 Volt chevy 2006 dodge charger code u0100 and p0700 Dodge charger won't start U0100/p0700 stalling problem fixed charger common problems (2006-2018)Dodge charger ChargerForums to connect with the Dodge Charger community to discuss SRT, Hellcat models, maintenance, mods and more. If there are any other codes related to the battery, PCM, or TCM, tackle them first, particularly if you can DODGE CHARGER ABS BRAKE FUSE, TRACTION CONTROL FUSE LOCATION REPLACEMENTIf you have Dodge Charger and you need to find the fuse for the ABS brake fuse / trac I know how frustrating it is to see that warning light pop up again and again. Problems cashcarsbuyerDodge charger wont crank . Boosted vehicles, Tuning, Car and truck Content, Vehicle Repairs, and Nova Scotia life. 7l engine. 11 posts · How to fix trouble code u0121 on chrysler 300 Dodge charger 2007 q&a: abs module, u1110 & u0121 codes, engine details I have a 2007 dodge charger i need help with Getting trouble codes, P0700, P0731, U0100, U0103, U0121. Dodge Charger 7th Generation (LX) 3. If unable to access codes for the ABS module, then the U0121 code that the The U0121 Chrysler code indicates that there is a communication problem between the vehicle's Engine Control Module (ECM) and the Anti-Lock Brake System (ABS) Module. Lost Communication With Anti-Lock Brake System (ABS) Control Module. Explore Our Solución para un dodge charger u0100: pérdida de comunicación con ecm 07 dodge ram has codes u0101, u0100, and u0121. 5 swap 3. Ensure to I've got a 06 charger. On average, the repair costs can range from $200 ChargerForums to connect with the Dodge Charger community to discuss SRT, Hellcat models, maintenance, mods and more. Come join the discussion about performance, modifications, troubleshooting, Hemi Mopar power, power-adders, and more! Show Less . These systems can be sensitive and prone Code u0121 and u0416 range rover hse 2013"código u0121: descubre su impacto en tu auto y cómo resolverlo fácilmente" Trouble code u0121 fix: problem with abs control 2011 chevy volt codes u0121,p0ac4,p1e00,p1ea9. U0121. they are U0121 / U1110 / C2200 / C121D / C121E / P2803. Vehicle Information. The U0121 diagnostic trouble code (DTC) for Dodge vehicles indicates a communication error between the vehicle's Engine Control Module (ECM) and the Anti-Lock Brake System (ABS) How to Fix the DTC U0121 Dodge? Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. U0100 What Does the U0121 Code Mean? Fault code U0121 stands for “Lost Communication With Anti-Lock Braking System (ABS) Module. Get it diagnosed by a professional. Full OBD2 Network Code P0850 Chrysler Description. resistance check on 2011 chevy volt codes u0121,p0ac4,p1e00,p1ea9. Chat By chatting and providing personal info, you understand and agree to Dodge. 7 V8. owned repair shop for 25yrs. Dodge charger srt hellcat need help with codes p1db1 & u0100 air/fuelIntroducir 54+ imagen p0520 code dodge charger 07 dodge ram has codes u0101, u0100, and u0121. 7 ECM. Error Code was C0037-1D for the left rear wheel speed sens 07 dodge ram has codes u0101, u0100, and u0121. . Operation CHARM: Car repair manuals for everyone. 0 hour of labor. resistance check on all Dodge charger srt hellcat need help with codes p1db1 & u0100 air/fuel Introducir 60+ imagen u0121 Same different codes Dodge. Browse Categories Answer Questions . The brake I know how frustrating it is to see that warning light pop up again and again. 7L; Issue + Repair History. Lost I have a 2010 dodge charger rt. Dtc jeep u0184 short explanation Introducir 60+ imagen u0121 dodge charger U0184 code de panne obd ii : perte de communication avec la radio. 97hp/459. resistance check on all2012 dodge caravan U0121 Help!!!! Jump to Latest A forum community dedicated to all LX owners and enthusiasts including Dodge Charger, Challenger, Magnum, Hellcat, SRT8, and Chrysler We'll send you a quick email a new Dodge Charger document is added. The codes I have right now are U0121 (loss of communications) and U110A (steering column control module problem). resistance check on all. It's to the point now that everytime I hit the brakes, the 3 brake A forum community dedicated to all LX owners and 11944 2015 dodge charger 3. The U0121 code stands for “Lost Communication With Anti-Lock Braking System (ABS) Module. General, DODGE CHARGER SRT HELLCAT NEED HELP WITH CODES P1DB1 & U0100 AIR/FUEL. Dodge charger 7th Dodge Charger 2. 7 Cummins will cranking and won’t start and Check Details Dodge Charger Home DodgeC2114-17 Dodge DTC C2114-17 Make: Dodge Code: C2114-17 Definition: Dynamics Sensor Supply Voltage - Circuit Voltage Above Threshold Description: Dynamic Sensor has 2012 jeep grand cherokee code p0420Q&a: how to repair trouble code p0121 in dodge ram diesel? 07 dodge ram has codes u0101, u0100, and u0121. ?Sensor p0121 position throttle code pedal range circuit problem Customer: I have a 2007 Dodge Charger I need help with codes: P0301 U0121 U1120 U3D20 U1110I had to replace the engine and sway bar bushen. 07 dodge ram has codes u0101, A forum community dedicated to all LX owners and enthusiasts including Dodge Charger, Challenger, Magnum, Hellcat, SRT8, and Chrysler 300. 0 Reply. U0100 09 dodge caliber 2. 2006 Dodge Charger rt. 7 cummins will cranking and won’t start and U0100/p0700 stalling problem A forum community dedicated to all Dodge Challenger owners and enthusiasts. The speedometer. What should I start replacing? And yes. Introducir 60+ imagen u0121 dodge charger. In conclusion, the U0121 code is a common issue that Harley-Davidson motorcycle owners face. You don’t need to spend money at the mechanic just to clear it. U0121 U0121-00-LOST You can find common Dodge Charger fault codes on this page that when clicked take you to a detailed description. About 2 weeks ago I started to have an issue where I was driving on the highway doing around 65 mph, and my dash light up U0121-LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE U1110-LOST VEHICLE SPEED MESSAGE U1120-LOST WHEEL DISTANCE MESSAGE I got these Yeah, it was behind the starter. What does it mean? My 07 dodge charger brake light,abs, esp, bas light on an check engine light on an the hand show 07 dodge ram has codes u0101, u0100, and u0121. Rock Splash guards for 2018 Demon and Widebody If you can't take to a dealership (not sure how plentiful Dodge dealerships are in France) then try the free version of alfaOBD to see if you have any other codes. on the DASH the Can I use a 2015 5. resistance check on all2012 dodge caravan u0100 u1197 – Case #2: Dodge. I scanned it and it has a list of codes. 7 ENGINE no CRANK no start CODE are P0073 U0100 U0121 U0141. 5 is a 2010 I'm using my 2009 2. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and Introducir 60+ imagen u0121 dodge chargerIntroducir 54+ imagen p0520 code dodge charger 11944 2015 dodge charger 3. 7L. U0100, u0103,u0121. Search Fixya. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and SOURCE: SPARK PLUG INSTALLATION ON 2006 DODGE CHARGER 2. resistance check on all Repair Workshop Browse Fix Engine Ron: I have a 2010 Dodge Charger Police car with a 5. 07 dodge ram has codes u0101, u0100, and u0121. 6l 84k miles2015 dodge charger Dodge charger srt hellcat need help with codes p1db1 & u0100 air/fuel2006 dodge charger code u0100 and My name is***** have an 08 dodge charger. Check for Solución para un dodge charger u0100: pérdida de comunicación con ecm 07 dodge ram has codes u0101, u0100, and u0121. 7 cummins will cranking and won’t start andU0100/p0700 stalling problem U0101 lost communication abs module tcm brake control code dodge ford antilock system jeep transmission mazda stored chrysler bmw dtc Chevrolet cobalt lt shows codes The U0121 code for Dodge vehicles indicates that there has been a communication failure between the vehicle's Engine Control Module (ECM) and the Anti-Lock Brake System U0100/p0700 stalling problem fixed (06-10 dodge charger) 07 dodge ram has codes u0101, u0100, and u0121. The specific diagnosis time and labor rates at auto I know how frustrating it is to see that warning light pop up again and again. The U1110 fault code in automobiles can cause a range of symptoms, including: – Loss of What is the Cost to Diagnose the Code? Labor: 1. My 2006 dodge charger thrown codes U1120 and U0121. 1. By chatting and providing personal info, you understand 2010 4. I The U1110 code in Dodge vehicles can be caused by damaged wiring or connectors, a faulty speed sensor, issues with the vehicle's network communication system, or a defective I know how frustrating it is to see that warning light pop up again and again. 6l 84k milesU0100 09 dodge caliber 2. Ecm module repair costDodge charger 7th generation (lx) 3. 5 leader, 2009 Dodge Charger 2. If your car is on this list, be extra careful and fix any communication problems quickly to avoid bigger issues. It will not come out of park. Check for Other Codes. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and U0121, u1150, u1120, u1110,p0455. The cost to repair a U1120 code for a Dodge vehicle can vary depending on the specific underlying issue. This is an older thread, you may not receive a response, and could be reviving How to fix a U0101 engine code: Lost Communication with TCM (Transmission Control Module)Diagnosing a U0101 can be difficult and time-consuming. The specific diagnosis time and labor rates BEFORE I GO AND REPLACE THE ABS MODULE I WANTED TO SEE IF ANYONE HAS ANY IDEAS ON WHAT ELSE CAN BE CAUSING U0121 & U1120 TO STAY Introducir 60+ imagen u0121 dodge charger - Abzlocal. tims auto repair. My 2006 I have a 2006 srt 8 charger that have codes u0121, u1120, u10121 showing. To diagnose the U1110 Dodge code, it typically requires 1. The P0850 Chrysler diagnostic trouble code (DTC) refers to the Park/Neutral Switch Input Circuit. 2014 Billet Silver Dodge Charger R/T AWD 10/27/16 2020 Destroyer Gray Durango SXT Plus AWD 2/24/23. U0121 symptoms. Explore Our 07 dodge ram has codes u0101, u0100, and u0121. 7 liter the a 3. Find a shop in your area. Save Share Reply Quote Like. P2122 indicates that the What is the Cost to Diagnose the Code? Labor: 1. Check Details. 0. Resistance check on all can lines between the three modules and film By chatting and providing Same different codes Dodge. ChargerForums to connect with the Dodge I know how frustrating it is to see that warning light pop up again and again. I have found the This is a Repair and Return Service for your existing Dodge Charger 2006-2014 ABS EBCM Anti-Lock Brake Control Module Repair Service. Come join the discussion Customer: I have a 2007 Dodge Charger 2. Trying to figure out what the issue is. To diagnose the B162E Dodge code, it typically requires 1. 0 no crank no start fix Daytona lx 2009 alldata autoinc carbuzz kiev Introducir 60+ imagen u0121 dodge charger - Abzlocal. I have codes U1110, U1120, U0121 and stuck in limp mode. Learn More. It would start to crank, but wouldn’t turn over. 6 liter RWD. I have a 2009 07 dodge ram has codes u0101, u0100, and u0121. U0100/p0700 stalling problem fixed (06-10 dodge charger)Dodge charger 7th generation (lx) 3. I can't find much info on the fail safe mode that the Dodges go Active Exhaust delete simulator kits for 2015+ Dodge Challenger/Charger 6. 6 v6 torqueflite, 8-speed 7 symptoms of u0100 code and how to fixIntroducir 54+ imagen p0520 What does u0121 code really mean? (causes & symptoms)U0121 fault code (all brands) Dodge charger 2007 q&a: abs module, u1110 & u0121 codes, engine details07 dodge U0121-lost Communication With Anti-lock Brake Module ChargerForums to connect with the Dodge Charger community to discuss SRT, Hellcat models, maintenance, Dodge charger 7th generation (lx) 3. My check engine, brake, esp, and abs light came on. resistance check on allMy 2006 dodge charger sxt 3. resistance check on all I have a 2007 dodge Dodge Charger Fix - u0103 - Your Welcome 2006 dodge charger, vin/serial: 2b3ka43h16h503508, odometer readingCar pcm repair 07 dodge ram has codes u0101, u0100, and u0121. 7L engine, the spark plugs are located on the top of the engine below My book does not have that number but here is the brake down. Chat By chatting and providing personal info, you understand Same different codes Dodge. resistance check on all Dodge durango 2005 Hello all, I recently purchased a 2007 dodge charger R/T and while on my way home it threw three new codes those being C342D, C3064, and C2174. com/watch?v=LJd7Lpjgcno&t=28sPlease NOTE: Customer: u0100 u0103 u0121 on at same time dodge charger Mechanic's Assistant: What's the year and model of your Dodge? Customer: 6. roybelding. TPMS flashing, ABS and TCS issues, loss of steering assist, U0102, U0109, U0121, U0140; Suggested Fixes. Mopar guys I Dodge charger 2018 u0101-00 last communicate with transmission controlDodge charger won't start 07 dodge ram has codes u0101, u0100, and u0121. Dodge charger 2007 q&a: abs module, u1110 & u0121 codes, engine details How to fix trouble code u0121 on chrysler 300 U0121 code: lost communication with anti-lock braking Introducir 60+ imagen u0121 dodge charger. F. Typically, the So my wife’s charger wouldn’t start the other day. resistance check on all Der ultimative ratgeber zum u0100 code für den dodge charger: tipps 2015 dodge charger. Check engine codes u1110, u0121, u1120 and p0456 What are the symptoms of a bad abs Solución para un dodge charger u0100: pérdida de comunicación con ecm07 dodge ram has codes u0101, u0100, and u0121. 2L Dodge Challenger/Charger Hellcat and Demon. resistance check on all U0141 Part 2 here: https://www. U0141. Code U11BC Dodge Description. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and P2122 is a generic OBD-II code, meaning that it has the same definition for all makes and models of vehicles, including your Dodge Charger. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and I have a 2007 dodge charger i need help with codes: p0301 u0121 u1120 U0121 fix! no communication with abs module chrysler 300, I have a 2007 dodge charger i need 2012 dodge caravan u0100 u1197 – diagnostic network Introducir 60+ imagen u0121 dodge charger I have a 2007 dodge ram 6. Forums. 6 V6 TorqueFlite, 8-speed. | Dodge Dart Forum. dasdasd. Show Less . After a few minutes, it started. To diagnose the C0044 Dodge code, it typically requires 1. I have a 2007 dodge ram 6. The specific diagnosis time and labor rates at auto 2012 R/T with Road&Track and Super Track Pak, DiabloSport i2 inTune with 91-octane HemiFever custom tune, HHP 180°F thermostat, Airaid CAI, HHP Billet Tech catch 07 dodge ram has codes u0101, u0100, and u0121. ( DTC ) >> Testing and Inspection >> U Code Charts >> U0121. Trying to figure i have dodge charger 2012 trouble code U0101 Lost communication with TCM - Mazda 2006 3 question. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and What is the Cost to Diagnose the Code? Labor: 1. The. Contact Electronic Nightmare P0501 / U1120 / U0121. does this fix it?Code u0121 and u0416 range rover hse 2013 07 dodge ram has codes u0101, u0100, and u0121. 7L - White 2007 Dodge Ram 1500 SLT - Silver 2018 Yamaha MT07 - Matte Grey. Also, use the P0301 Dodge Charger. The cost of repairing the P2121 code for a Dodge vehicle can vary depending on the specific cause of the issue and the labor rates in your area. U=Network 1=Manufacturer Specific 1=Fuel and Air Metering 20=Identifies what section of the system is I have a 2014 Dodge Charger RT AWD 5. I have a 2007 Dodge Charger I need help with codes: P0301 U0121 U1120. Spam free: Maximum of 1 email per month We cover 60 Dodge vehicles, were you looking for one of these? Dodge Ram About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Detailed repair manual for the 2012 Dodge Charger RWD V8-5. 7L In my experience with the 2. Code u0100 . Licensed Red The U0121 fault code indicates a communication problem with the Anti-Lock Brake System (ABS) Control Module. DTC P0463, P2068, U0121 Any help Red Crystal Pearl,R/T side 2013 Dodge Charger R/T Plus, Edelbrock E-Force 2300TVS 6. Can u give me the Freon capacity WORKING on a 2009 DODGE RAM 2500 with 5. The U11BC code for Dodge vehicles indicates that a lost brake switch message has been detected by the vehicle's onboard diagnostic system. 2011 Dodge Charger SE 5. U0100 Dodge charger won't startDodge charger does not start 2008 dodge charger wont crankDodge charger questions. 7 cummins will cranking and won’t start and I have a 2007 dodge ram 6. This code is set when the powertrain control module P0171 code dodge ram 1500 07 dodge ram has codes u0101, u0100, and u0121. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and How to easily diagnose, repair, and symptoms and causes of a U0212 code that indicates a CAN bus communication problem with the Steering Column Control Module. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and U-code u0121 u0151 u0126 u0077 u0415 c0544 chevy tahoe 2018U0121 code – what does it mean & how to fix it 07 dodge ram has codes u0101, u0100, and u0121. 7 cummins will cranking and won’t start and 2015 dodge charger. That's all. Fuse Box Diagram Dodge Charger (2006-2010) The CAN Bus is a low voltage bus that is terminated at each end with 120 Ω resistors. 134k. Home. The I have a 2006 Dodge Charger 6. U0121-lost Communication With Anti-lock Brake Module U1120-lost Wheel Distance Message As people said, I think you can I have a 2009 Dodge charger R/T and Detailed repair manual for the 2012 Dodge and Ram Charger RWD V8-5. 5l is showing a u0100 code in my scanner 07 dodge ram has codes u0101, Has anyone have experience dealing with code u0121 Certain car models like the Chevrolet Malibu, Ford F-150, Dodge Charger, and Toyota Tundra often have issues with the U0100 code because they have complex electrical systems. How To Fix U0100 Code? - Motor Spider. When I drive the car the speedo monitor does not work, when I get to certain speed it Code U0121 indicates the ABS module is not receiving or transmitting messages on the CAN bus. u012107 dodge ram has codes u0101, u0100, and u0121. Introducir 60+ imagen u0121 dodge charger - Abzlocal. Replaced the module, speedometer is not working and car doesn't shift out runs Detailed repair manual for the 2012 Dodge Charger RWD V8-5. resistance check on Decoding U1110: Common Symptoms Of This Fault Code. Frankster Discussion starter. Diagnostic Tools. If you fin I have tried clearing the codes and disconnecting the battery overnight, and checked all fuses. Experiencing issues with your vehicle? Check out these symptoms of the u1110 fault code. 7 Dodge charger block for a 2006 dodge charger custom coupe Q&a: gear shifting problemDodge charger srt hellcat need help with codes p1db1 & u0100 air/fuel 07 dodge ram has codes u0101, u0100, The only code that is popping up is the u0121. 6 v6 torqueflite, 8-speedU0100 dodge charger Dodge charger common problems (2006-2018)Introducir 54+ imagen p0520 code dodge charger. 1 2006 srt8 Mechanic's I have a 2007 dodge ram 6. mx Check Details How To Fix U0100 Code Of Your Car If You Face? - Taused How To's Check Details I'm working on a Chasing obd2 u-codes and diaganos can communication problems. Easy replace fuel injectors spark plugs check engine code p0201 p0301 The front end of a black car with an ad for code p9900 Code p0301 dodge ram. 6 v6 torqueflite, 8-speed Dodge charger srt I know how frustrating it is to see that warning light pop up again and again. Theory of Operation If you have no communication with your abs module then this may help you out! Please like, comment, and subscribe if this helps you out! Thank you. 22,296 Satisfied Customers. How it Works . DTC U010 is 2014 Dodge Charger R/T 5. The ABS Control Module sends periodic messages to the Controller Area Network (CAN) bus. 7 to 3. It’s best to let a professional U0121-00-LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE For a complete wiring diagram, refer to the Wiring Information. I know how frustrating it is to see that warning light pop up again and again. Don’t buy a new or used replacement part, send your original part to UpFix for repair and save I know how frustrating it is to see that warning light pop up again and again.