2011 duramax u0101 code : 20-NA-212 November, 2020 Page 5 5431209 Important: To avoid warranty transaction rejections, you MUSTrecord the warranty claim code provided on the SPS Warranty Claim Code (WCC) screen shown above on the job card. Tags A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. 2011 1 0 0. Stayed in one gear. U0101. I’ve got a 2011 duramax and • U0101: Lost Communication with Transmission Control Module • U0121: Lost Communication with Electronic Brake Control Module. Just had the same problem on my 2011 that you are describing. Duramax Diesel 6. 2. Limp truck back home, gauges start acting up, door locks freak out. Throws a P0700, P2544, U0073, U0101. Duramax 6. 2023 GMC Sierra 3500HD. Te enseñaremos todo lo que debes saber para lograrlo. I kept getting code U0105, and the ECU fuse would blow every time I would turn the key. 2013 Camaro ZL1 Auto U0100 U0101 U0121 2006 chevy Silverado Duramax diesel service codes U0100 and p0700 Hello, Im curious as to whether anyone has had the same problem as myself. This can help minimize the potential list of causes, making the repair much easier. I pulled the cab side sensor harness and checked it for breaks or rub through wire and got nothing. 2006 K2500HD Duramax, LLY (might be an LBZ) 4" Rancho lift, 285 Hankook ATMs, 337000 miles, tons of idling time Hello all, just recently drove a 2,000 mile round trip with no issues. 11-16 LML Duramax Powertrain U0101 Code, ABS & Power Scanner pulled a generic U0101 code-TCM lost communication. New AAA battery 2days ago. Monday - Drove 20 miles to work fine. 2020+ GM T1 Platform Powertrain U0100 U0101 I am getting multiple codes, The other two you posted are for P faults. Then, visually inspect the related wiring harness and connectors for any damage or poor electrical connections. 5-2010 (LMM Stuck in Gear or Neutral, Wont Shift, DTC P0880 and/or U0101 Set - (Dec 2, 2011) Subject:Loss of Communication with Allison Transmission Control Module (TCM), Intermittent Transmission The code was the u0101, no comm with the TCM. Summit White. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View All 2011 U0101 Silverado duramax, Also service stabiltrak flags as well as the check engine light came on. I didn't get a P0335 anymore. Tune seems to have loaded successfully, A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Mine threw codes U0101 and P0880. Im just a customer who was saved by their product. Codes U0100 to U0300 are lost communication with XX module codes. Descubre qué significa, por qué ocurre y cómo solucionarlo correctamente. com, which may include unique, personal insights based on their years of experience Customer: 2013 Duramax U0101 code. I took it to the Gm dealer and they said I needed to replace the glow plug module and it will fix everything. 6, 80,000 miles Thank you Need more help with a u0106 code? If you still need help regarding the U0106 trouble code, please post your question in our FREE car repair forums. The truck seems to run correctly, however I just don't know where to start. 29,2008 Models affected: 2006-2007 GMC Sierra Classic loss of high speed gmlan communications, intermittent no crank, ip gagefluctuation, intermittent door lock cycling, intermittent chime operation,various ip w Driving along, the trans goes in to limp mode. 5-10 LMM Duramax Powertrain. I had U0101, doors unlock and lock driving down The first step in diagnosing a U0101 code is to check the check engine light and any diagnostic trouble codes (DTCs) that are present. I'll sho It has thrown a slew of codes U0073 - CAN bus comm P069E- Fuel pump control module requested MIL illumination but on my 2011 GMC Sierra 2500HD 6. 5-10 LMM Forums. If unable to talk to the TCM module, then the U0101 code that the other modules are setting is active, and the problem is there now. Just replace TCM after months of searching for one. Then pulled in the drive and warning lights came on and code came again. Makes a horrendous noise while driving every once in a while but not consistent. Restart same & U1010. A code may appear at anytime while driving. Drove fine for days U0073, U0077, U0078, U0100, 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. 2011 Chev3500 express van shuts down completely and 6. Customer: U0101 code, trans in limp mode 2011 chevy 2500hd duramax Mechanic's Assistant: Just to clarify, what's the exact code? If the U0101 code is caused by an intermittent short circuit on the CAN bus or in the TCM itself, you may have the code without noticeable symptoms other than possibly a MIL light. Bulletin No. Chevy / GMC Duramax 2017+ L5P Forums. Chad Farhat 2008 chevy express 2500, U0101 code no tcm communication No shift position indicator light Non working speedometer Harsh. If you have already replaced and reprogrammed the TCM and the code came back, then the next step is to check the wires How to fix a U0101 engine code: Lost Communication with TCM (Transmission Control Module)Diagnosing a U0101 can be difficult and time-consuming. It means that the Transfer Case Control Module is not communicating with the rest of the vehicle’s network. Page 2 May, 2019 Bulletin No. The U0102 code is a Controller Area Network (CAN) communication fault code. The U0101 is a TCM communication issue and although the vehicle LBZ CCSB 4x4. You Chevy / GMC Duramax 07. 2011 Chevy Tahoe Is your Mazda 3 not shifting correctly, maybe even stuck and won't shift into R or D? It could be your transmission control module (TCM) has failed. Chevy 04. The U0106 code is a Controller Area Network (CAN) communication fault code. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. This is a Anti Theft code. No gear indicator. ABS module issue? Wheel speed sensor bad These factors should be considered when estimating the total cost of diagnosing and fixing the U0106 fault code. shimmed. Jump to Latest Sold--2011 LML CCSB Imperial Blue. 2012 chevy 2500 duramax diesel. 2K views 5 The codes indicate that the TCM, ABS and ECM are also not communicating. Still u0101 code present. The U0121 code is not caused by inductive spikes, electrical fields, or other noise. Got it scanned and the codes are as follows U0101 P0089 P0673 P0675 P0677 . P0700 trans control system malfunction P0181 fuel temp sensor malfunction P0116 engine coolant temp malfunction I found a loose neg. Apr 23, 2018 ground g102 on the driver side of the engine block its the one closer to the front. Installed old tcm and now have a no crank no start with old tcm. I changed out the battery with a new one and cleaned up the maxifuse connections. U0100 will often appear with other control module-related codes. I have the p2122 code. Cause 1 This condition may be caused by battery cables with high resistance and/or loose connections at the: I had the p0880 and U0101 codes and the truck was stuck in 4th. The U0101 code is typically the same as a U0100 code, but some makes and models will send the U0101 code if there’s a specific problem with the TCM, while the U0100 code may be more general and Im getting codes P0700, U0073, P0101 & P0105. which does all kinds of things down the linelike TCM, ABS and stabiltrak will be disabled when there are issues with engine/powertrain performance. Reactions: Ron Nielson. CALL US! CALL US! (888) 848-0144. Mechanic's Assistant chat. If it's time to replace your PCM we're here to help. If the code does not return or communication is re-established with the TCCM module, then the fuses/connections were most likely your problem. I replaced the pedal assembly and it didn’t fix it. This is how I got my truck back on the road with the U0101 code for lost communication with TCM. 06 LLY with U0101 code that will not clear. It only gave me a U0101 code though but the truck exhibited most of your symptoms. The U0121 code can cause the ABS system to malfunction, leading to potential safety issues. How Often Should I Check for Electrical Issues to Prevent U0100? Diagnostic fault code U0101 is indicative of a relative failure of a vehicle’s transmission control module (TCM) to connect with the rest of the corresponding CAN-BUS network. It also pulled up a new code, U0101 ECM LOST COMM WITH TCM. I did an "emergency relearn" and Now I'm up and Running!:gearjamin:thumb 2118 posts · Joined 2011 Add to quote; Only show this user Reduced air flow can cause the P0101 code as well, beside the other things mentioned. Cleared codes the tripped the U0101 code again. any and all help would be great . Other DTCs related to the CAN bus system may also be present. Got Sheep? Staff member. Service traction control, service stabilitrak, and had the check engine light on. Past had P2100 code. Any chance you would have the U faults? U0100 and U0101? The pdf manual I purchased is 17 different pdf files. Saturday - no driving Sunday - drove ~2hrs towing a 2k trailer without issue. 213k miles. w/ ecm/pcm module A. The most common failure is loss of power or ground. Haven't tried anything yet, By chatting and providing personal info, you understand and agree to our Customer: code u0101, service stabilitrak, traction control Mechanic's Assistant: Just to clarify, what's the exact code? U0201 – Missing Message From ECM/PCM to TCM or U0100 & U0102 Codes Present; How much does it cost to fix the U0101 code? The repair cost of a U0101 code depends on the severity of the issue causing it. •Applying the brakes may cause the IPC to become erratic and the chimes to operate simultaneously. U0101 Code Was driving AC stopped, truck limited to 3rd gear, hard shift between P/N/R/D, ABS/Brake light on, no gear indicator. Thanks for everything guys. Aug 12, 2006 15,681 235 63 Fullerton CA. The system cannot work properly if power Experiencing issues with your vehicle’s transmission? Check for these symptoms associated with the u0101 fault code: 1. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View All So now I still have no solution. 2011 Chevy 2500 had Duramax no communication with tbcm tcm pcm after shorting out my ratchet on back of alternator blew. Cleared the codes and that fixed the problem. DTC U010 is Tech Notes. 1 post · Joined 2025 Add to quote; Only show this I am not affiliated in any way with Dan's Diesel Performance. Check for Other Codes. AZlml Member. Cleared codes and drove home with weird shift points. MENU. Jump to Latest 21 - 26 of 26 Posts. 6 litres Duramax Diesel. 06-07 LBZ & LLY Performance Parts Discussion 983 posts · Joined 2011 Add to quote; Only show this I received a DTC code of U0106, "lost communication with glow plug module" I replaced the glow plug controller back in April with an OEM p/n973796350 due to a DTC P0607. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View All I have a 2006 GMC Serria 2500 HD pickup and am getting a U0106 Generic code; lost communication with glow plug. Save Share Reply Quote Like. When this fault code appears, it means that the control module has detected a U0078, U0100, U0101, U0102, U0104, U0121, U0140, U0146, U0151, U0155, U0164, U0184, U0186, U0198, U0237, U0255, U0422 Cause #1 The causes of the condition may be: Claim Codes in the“Correction” field on the job card. Jump to Latest Plugged in my cheap scan tool that a friend had and it came up with a U0101 code and the truck will not go over 10mph. I don't have any aftermarket belts, I Being an owner of the Duramax engine for a long time, you may have faced different Diagnostic Trouble Codes (DTC). 3. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! in this video I'm gonna share with you how to diagnose and fix a U0101 DTC on a GMC Sierra, Lost Communication with TCM step by step diagnosis!! #GMC #TCM #a About Press Copyright Contact us Creators Advertise Press Copyright Contact us Creators Advertise The U0073 code is a communication code and it comes with a variety of symptoms. cbwg tpadw wumfa elgf tyzwq arbxf duot zgse juya nuzc jgu zjgq ndfyq bcuof nuo