P129f duramax recall. Facebook Twitter LinkedIn Pinterest Email Print.
- P129f duramax recall 11/30/2021 Program Description: Certain 2017 - 2019 model year Chevrolet Silverado 2500/3500 and GMC Sierra 2500/3500 vehicles, equipped with the 6. 4K posts 1. ECM – Engine System P129F The Engine and Transmission System is not performing as expected. 0L I6 Duramax P129F. Chad Farhat. : 21-NA-096 May, 2021 Page 3 5431207 Important: Techline Connect and TIS2WEB screens shown above. Come join the discussion The code is P129F not the R I put in, sorry miss print. Jump to Latest I can't recall for sure. 5394683 Example of engine harness damage, Lower Air Cleaner Housing removed shown below. 6L Duramax. Joined Jan 16, 2022 Posts 1,123 Reaction score 1,119 Location St. Parts No parts are required for this repair. All Things Duramax Diesel Engine, powered by DemonWorks LLC Did you fix the filter head before installing the Fass? Just putting a Fass pump on the truck without fixing the head will not fix the issue. Date Added: Aug 15, 2024. 0-liter Duramax I6 or the 6. Turned out to be the Fuel Pump Drive Control Module The automobile fault code P129F indicates a problem with the Fuel Pump and Level Sensor Assembly. 5 Chevrolet LT 2500HD Crew Cab 4X4 Duramax Allison, MBRP Turbo back, Quadzilla Stealth 2, Plant Drive veg kit. Codes stored were P0129f and p2635, both relating to fuel pressure issues. ECM code P0129F. 6, Code P129F, Replaced Fuel Pump Module, Check Engine still, ask tech, said he would check it, came back and told me the diesel tech was not there today I would have to come back so I stopped at the local shop and had it I have a 2020 L5P with almost 80k miles now. I hadn’t been checking for recalls on my gm owners recall page. Possible DEF contamination may be present in the fuel system when several fuel pump-related DTCs are set — such as DTCs P1029, P0461, P0463 and P129F — as well as some engine-related DTCs — including P0087, P228C, P228A, P228B, P228D, P026D and P2A00. These codes are potential indicators that DEF may have been added to the fuel tank. I followed the flow chart for p1029 and it just had me check the wiring to the fuel pump to make sure it's not open or The GMC Mechanic can help with your Duramax's P129F code and starting issue. 2020 6. Replacement Service Bulletin Number: N/A. The FPDM is responsible for controlling the fuel pump's operation, ensuring that the correct amount of fuel is delivered to the engine at all times. I had not had any problems with it not starting. NHTSA Item Number: 11006421. started with checking fuses and relays then replaced the tank fuel pump. 6 turbodiesel Performance and max trailering PKG double cab I have a 2020 GMC 3. No start condition. I've experienced both the emissions codes and the extreme consumption of the DEF while towing. Save Share LMM Program recall I received the recall letter from GMC and took my truck in for reprogramming. pdf. as we have a look at this 2014 Chevy 1500 5. 0L Duramax (LM2) or 6. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Show Less . Experiencing a fuel pump driver module failure in your 2019 Chevrolet Silverado often manifests as the truck stalling out and running rough. Next day truck wouldn't turn over. 5-11mpg pulling my camper. Jump to Latest 19K views 32 Mine isn’t on the ECM recall, but my front seat blower motor recall showed up - not received any other blower notification though - no email, nothing from selling dealer - lesson learned I guess. P129F - Fuel Pump Driver Control Module Fuel Pump Speed Signal Incorrect P2635 - Fuel Pump “A” Flow Performance I am creating this thread to document my experiences. The radiator fan would go full speed and the info system says that the truck will be put into limp mode in 175 miles if the emissions system isn't serviced. 4 . 3l, Raymond ASE. Reply Jim N. 1 KB Views: 41. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. RECORD_ID: 4858239. . Nick S. At least it is not lifters. Engineering has a need to 01 Silverado crew cab long bed 4x4 4:10 Duramax no mods bone stock chevy dealer replaced inj pump and 8 injectors @ 145,000 miles no charge current mileage 167,000 replaced 1-h2o pump, 1-set front brake pads, 2-rear wheel seals and routine maintenance with delo 400 and Texaco moly grease :neener. 0L - Old Customer: I have a code p129f. 2020 gmc denali 157k miles throwing a p129f code anyone else had this issue? 2022 GMC Sierra HD Duramax Recalled For Faulty Engine Control Module . Guess I’ll have to check there every now and then. The P129F diagnostic trouble code (DTC) for GMC vehicles indicates a problem with the Fuel Pump Driver Control Module (FPDM) related to the fuel pump speed signal being incorrect. With the Fass pump on you are now supplying positive pressure to the cp3 and its no longer pulling vacuum on the low side of the fuel system and if there is still a leak on the low side you will be able to see it/find it easier with a lift Check the CAC Pump connector sealing and look for any corrosion at the pump due to water leakage. The recall 2019 Chevrolet Silverado 3500HD 6. C. Most auto repair shops commonly charge between $80 and $150 per hour; however, rates Bulletin No. 6L V8 Duramax diesel engine (RPO L5P, L5D) or 3. Helens, OR. 4921302 Note: Be sure NOT to pry on the sealing surface of the block, as shown in the illustration above. 1 2 3. The fuel pump speed signal is crucial for maintaining the The truck died and hasn't refired since. 808 posts · P129F OBD Code Definition: Low-Pressure Fuel Pressure too Hig P310B OBD Code Description: Possible Symptoms MIL On Reduced power Possible Causes Faulty Fuel Pressure Sensor (G410) Wiring Harness for Fuel Pressure Sensor (G410) Possible Solutions Replace Fuel Pressure Sensor (G410) Repair Damaged Wiring Tech Notes When found on Direct Injection 2020 Sierra AT4 3500 Duramax 2018 Denali 2500HD L5P Derringer equipped 2018 Montana 3811MS Legacy 16400#2900pin. 6L Duramax (L5P) Diesel Engine: Cadillac Escalade Models (2021-2024) Chevrolet Silverado 1500, 2500HD/3500HD, and Suburban (2020-2024) 132,000 More Silverado and Sierra Pickups Recalled for Tailgate Failures; More News; OUR ENTHUSIAST FORUMS. DTCs P129F P16F3 P20EE P20FF P226D P249D P249E P11CC and / or P11D5 set: Chevrolet: A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 6 Duramax Diesel; Other Diesel News; Duramax Diesel Basics; Greg Nelson. Say it's a faulty surge tank sensor, want to charge $520 to replace. 7M views Postings of Tech Service info for any New L5P engine issues. If Service Update N192266750 is open, please perform it. P129F & P228C. P018b P026d P06c6 P129f P1339 P163c P2066 2006 Silverado 3500 crew cab dually Duramax LBZ. Some technicians may find DTC P129F (Fuel Pump Driver Emission recall #20E02. Most auto repair shops commonly charge between $80 and $150 per hour The P129F diagnostic trouble code (DTC) indicates that the Fuel Pump Driver Control Module has detected an incorrect signal regarding the fuel pump speed. My truck threw the P129F last week. Since my appointment was set for late afternoon, they wanted me to know that they couldn't do the radio update or I could come in earlier in the day to have it done with the oil change Received a recall letter for my 2011 Duramax today. Car Values. Currently my status is: Out Of Service Engine will Start Idle is rough Everything seemed to be running fine. IF you get 102A, don't ignore it, you could get stranded in the middle of the highway. Understanding the Duramax P026D Code. I got the following codes. 0 Duramax, 20K miles)stepped on gas from a red light & engine starts to shudder, loses powercheck engine light and "reduced power, drive with caution" warning on instrument cluster. I'm thinking the worse, that the HP fuel pump is bad. If one is available, program it first. L5P 2017 2500 HD Denali Duramax Recall So, I've had my truck since the middle of May. ~3 wks ago, was driving truck ('22 GMC Sierra 1500 Denali, 3. Tried the relay in the engine bay first. 6 duramax p129f:00. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! All models have a 3. 6 and from day one the engine bock heater was recalled. Chevy Equinox Mechanic's Assistant: I understand that youre experiencing trouble with code P129F on your Chevy Equinox, and our Chevy Mechanic will be able to assist you in diagnosing and resolving the issue with the fuel pump control module. ‐ Defects and performance for cars and trucks with light duty or medium duty emission control systems are Chevy / GMC Duramax 2017+ L5P Forums. : 20-NA-197 Correction 5652222 Inspect the fuel pressure sensor electrical connector for corrosion or damage. March 13, 2023 1:05 am . : 21-NA-149 November, 2021 Page 5 5324748 Inspect the engine harness at the Lower Air Cleaner Housing as shown below. Special CoverageN242454441 Momentary Rear Wheel Lock-Up. Full Forum Listing. The fuel pump driver control module sends reports of the actual fuel pump speed to the engine control I grabbed my V2 and pulled the code and I got code P129F, Fuel pump speed signal incorrect. 203. 2024 Model Year Vehicles: N242478260 - Loose Steering Gear Motor Bolts/Fasteners. November 15, 2023 4:01 am . 6-liter Duramax V8. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to Guy had a scanner with him and hooked up truck and said code was P129f which says was fuel control module lost signal. Page 2 March, 2019 Bulletin No. 0. 8 . The issue is there may be sediment in the transmission pan / filter that was generated during transmission assembly. No wonder so many pickup truck owners insist on 匚𝕦𝕞𝕞𝕚𝕟𝕤 or nothing at all. 20221 Chevy Suberban P129F fuel pump power control module fuel pump speed signal incorrectFuel Pump Control Module 13537053How to check GM fuel pump control 6. Are there any recalls or technical service bulletins related to OBDII code P129F in Cadillacs? I'm working on a 2018 Chevy 3500 Duramax diesel. GMC has an existing recall on the fuel pump module for 2021 – 2022 Chevrolet Equinox and 2022 GMC Terrain vehicles. There has been a 28 percent increase in the number of diesel vehicles sold in the United States, with most of these Cost to Fix P129B Chevrolet. An issue has been detected in the Fuel Management System used to maintain, control and monitor fuel consumption. 5-05 LLY Duramax Powertrain Fuel Injector control module. It’s been at the dealership for 4 days now and still no word. ⇒ It may be necessary to use the terminal test kit with dielectric grease on it I got a p129f code and my vehicle will start then stall GMC fuel pump control module, no, 2019 Silverado 1500 5. General Motors has found a large enough issue with the 2024 and 2025 Silverado / Sierra 2500 HD / 3500 HD with the 10 speed "Allison" Transmission, that they released a Service Update for all owners. Starts and dies. September 29, 2021 at 6:53 AM Hey guys, looking for some guidance here. ⚠ Does your Car have Safety Recalls? To diagnose the P129F code, it typically requires 1. Come join the discussion about modifications, towing, classifieds, troubleshooting GM Issues Stop Delivery Order for Safety Recall: Momentary Rear Wheel Lock-Up Affects Multiple Models (2020-2022)Date of Recall: October 24, 2024Recall Number: N242454440Subject: Momentary Rear Wheel Lock-UpGeneral Motors (GM) has issued a stop delivery order in response to a safety recall affecting multiple vehicle models. The P129F diagnostic trouble code for Chevrolet vehicles indicates a problem with the fuel pump driver control module's fuel pump speed signal. I saw a TSB from GMC that pretty much said if you have code p129f change the fuel pump control module. Brand: Model: Model Year: VIN: Engine: Transmission:Brand: Model: Technicians may find DTC P129F set. I sold it back to a Chevy dealer in January for more than I paid for it - I didn't need a GM Program #: N192264210 Date Issued: Oct 15, 2019 Program Title: Enable Diesel Engine Block Heater - Exp. Shortly after that it was recalled again. Most auto repair shops commonly charge between $80 and $150 per hour; however Chevy / GMC Duramax 2017+ L5P Forums. 2500 hd crew cab denali. GM issued TSB #21-NA-025 in late May on the issue. 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. 15 years GM master tech. GM Engineering has developed a field fix for the above conditions. Note: U02A9 might be set with or without U1345 (LIN BUS1 Failure). Been replaced once. The following recalls and programs have been found for your 2017 GMC Sierra 2500HD VIN: 1GT12UEY0HFxxxxxxx Results last updated: May 04, 2019 In vehicles equipped with the Duramax diesel 6. 92. Recall List for the 2019 Chevrolet Silverado 3500. Customer states engine cranks and will not start. Had it towed to 2019 Silverado 6. Looked at the codes and it had a P129F. To diagnose the P11DC code, it typically requires 1. After the recall, I'm getting 17th on a good day and pulling 9mpg. 2019 Chevrolet 4500HD CC 4X4 Flatbed I got the recall on my 2018 L5P and never did anything about it for all the reasons stated. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Show Less . Facebook Twitter LinkedIn Pinterest Email Print. This adds to our toolbox used for P129F and a few other codes related to low fuel rail pressure showed. Just recently, SI Contaminants-in-Fuel Diagnosis has been updated with an accurate test for determining if DEF can be found in the fuel system. Going for a truck with a diesel engine is pertinent if you need a vehicle with lots of versatility and power. Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles A6 - Electrical / Electronic systems Chevy / GMC Duramax 2017+ L5P Forums. SUSPENSION. Answered by Nick S. 6L Gas V8 & HD Transmission Powertrain (L8T/MYD) 2014 - 2019 Silverado & Sierra 2014-2018 Silverado & Sierra Troubleshooting; 2014-2018 Silverado & Sierra Recalls; Technical Service Bulletins (TSBs) Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set. Initially, I thought possibly an air leak or cracked filter housing allowing the system to lose prime. patrick capp. It cranked, but wouldn’t ever start. Added 2. Jump to Latest 172 views injector control circuit #4 and P129F - Fuel Pump Driver Control Module: Fuel pump speed signal incorrect. Expert. DPF deleted, new exhaust, EGR delete, cold air intake, Airdog 165 lift pump and EZ Link programmer. ; Need more help with a P228B code? If you still need help regarding the P228B trouble code, please post your question in our FREE car repair forums. 5-05 LLY Forum. Did my research and found that it was the fuel pump control module. DTCs P129F P16F3 P20EE P20FF P226D P249D P249E P11CC and / or P11D5 set: Chevrolet: PIP5664C: DTCs P129F P16F3 P20EE P20FF P226D P249D P249E P11CC and / or P11D5 set A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. This code typically appears when the engine control module (ECM) detects a discrepancy between the expected fuel pump speed signal and the actual signal received from the fuel pump driver If you don't need a block heater, I'd say don't mess with it. Anyone have any input as to How to Fix the DTC P129F Chevrolet? Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. I cleared ⚠ Does your Cadillac have Safety Recalls? To diagnose the P129F Cadillac code, it typically requires 1. Sponsored. The complete details of all recalls are listed below, along with what they 2018 2500 L5P ran fine then wouldn’t start. In today's video, I'm going to answer that and I'm go Hell I have a 2018 Chevrolet 3500 LTZ Duramax 6. I Chevy Silverado, Tahoe And Suburban Get Duramax Diesel DEF Sensor Fix . CEL Misfire P0204 P129F P020D. Trying to find out if it would make it too a dealership, that is if I can find the module. This truck won't start, it has no low side fuel pressure. 6L Duramax Diesel & Allison Powertrain (L5P/MGM) 6. Full Forum Listing I haven't been able to find any other posts on thiswondering if anyone else has experienced similar. Ensure to I have a 2019 Chevy 5500 with 52,000 miles on it. I pull the codes and have codes P1002, P129F, P228C. Chevy and GMC Duramax Diesel Forum. or Duramax. I had this 2020 gmc sierra here this morning with the check engine light on. Back in for repairs ! This time it was a bad connector (loose terminal tension) at the Fuel Rail Pressure Sensor and an ECM sending incorrect voltage to said We took our 2024 3500 in for the latest software update and the dealer replaced the trailer brake module per the recall as well. Warranty Information Labor Operation Description Labor Time Trans. Official recalls have been issued for the 2019 Chevrolet Silverado 3500 by the NHTSA. G4 folding Tonneau- GM Fender flaps. Clockwork · Registered. March 12, 2023 4:04 am . This issue may cause the vehicle’s engine to stall unexpectedly. To diagnose the P102A code, it typically requires 1. 2015 2500HD Duramax Z71- Ruby Red-XD5 Xenons installed. From what I have read it might be the lift pump or fuel pump driver control module. In other words, the code signifies “Fuel Pressure Regulator 1 Performance”, indicating that the designated fuel pressure Received a recall in the mail today, N192273630. Two of them I cleared last week and haven’t seen again and now this one. P018b P026d P06c6 P129f P1339 P163c P2066 P228b P228c P2635 P2636. When this fault code appears, the Engine Light or Service Engine Soon Warning Light will turn on. 5 (LBZ & LLY) Top Contributors this Month Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. 8K Last week my truck experienced a P129F code (Fuel pump driver control module fuel speed signal incorrect). L5P TSB (service bulletins, recalls, updates) Unfollow Forum Follow Forum Create thread L5P TSB (service bulletins, recalls, updates) 2. 0 duramax, about 20K miles on it now. If you notice these symptoms along with the engine light coming on, it could Im diagnosing a 2016 chevrolet with 6. Price New/Used; My Car's Value; To answer your question- all the duramax engines came with the heaters. Either of these codes alone would be pretty cut and dry what part needed replaced. But does this module have to be programmed with your injector model Recalled vehicles were produced for the 2020 through 2022 model years with the 3. 22. problem with a component: (P20EE, P226D, P16F3 and P129F). Cause GM Engineering is attempting to determine the root cause of the above condition. A recall has been issued for certain 2021 model-year GM SUVs due to a control module problem that may lead to a fuel pump failure. Cause This condition may be I recommend following and inspecting the fuel pump control module wiring harnesses to see if any wiring is damaged in any way first off as we have had some issues with the wiring breaking or My truck threw the P129F last week. Gary. Dealer replaced the control module per the TSB and I picked it up yesterday. Seems that there’s quite a bit of $$ difference between the the two. NHTSA Item Number: 11006414. Bulletin Number: PIT5923B Iv been battling the the stall issue with my truck also, have a 2017 duramax high country and when ever I drive for an hour or so it would just randomly stall and I’d have to wait 10-15 minutes before it would start up What is the Cost to Diagnose the Code? Labor: 1. Correction Dealers are to reprogram the engine control module. Just want everyone to be aware this is a large scale problem. • P0700 Transmission Control Module Requested Malfunction Indicator Lamp Illumination • P25A2 Brake System Loss of Power, Stalling Malfunction Indicator Lamp (MIL) Illuminated - DTC P129F Set Date: 5/27/2021 Models: 2019-2020 Silverado 2500HD; 2019-2020 Silverado 3500HD; Summary: Some customers may comment on one or more of the following conditions: Loss of power; Stalling; MIL illuminated. 6l Duramax diesel engine (RPO L5P) and optional engine-block heater cord, may have a condition in which the The P0089 code in a Chevy Silverado refers to a problem concerning the fuel pressure regulator system. Answered by Chad Farhat in 1 min 2 years ago. Nov 25. There was a recall on this - https Recalls; Technical Service Bulletins (TSBs) Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set. This code gets logged when the powertrain control module (PCM) detects a discrepancy between the desired and actual fuel pressures. Brought it home and drove it for 2 weeks and things were running View the 2021 Chevrolet Silverado 2500 HD Crew Cab recall information and find service centers in your area to perform the recall repair. Common Causes of P129F Cadillac. 2015 Silverado 2500 crew cab single rear wheel LML. I have read that there may be some wiring issues to the lift pump. : 20-NA-218 5431207 Important: Techline Connect and TIS2WEB screens shown above. 5 Vision Valor Wheels, 4. L5P TSB (service bulletins, recalls, updates) Emission Recall (N212354170): DPF Regeneration Temperature (Released 4/25/2022), Shaking/Vibration. Save Share Reply Quote Like. 30,243 Satisfied Customers. When the speed signal is incorrect, it can lead to various Learn The Common Symptoms and Causes of P129F or P023F Codes in GM Vehicles. I now monitor the lift pump PSI on my monitoring tool. Bulletin No. 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. Use vice grips with a slide hammer. Post a new forum topic now. My recall letter was just sent out so I should be receiving it shortly. I sold it back to a Chevy dealer in January for more than I paid for it - I didn't need a 3500 Dually anymore since we sold the 5th wheel. Service manager told me today that his experience is that the 5 gallon DEF tank should only last 5000 miles. New down pipe and 5 inch exhaust, new up pipe, cold air intake, new garret stage 1 turbo, Airdog 165 lift pump, EGR delete and EFI Live. 2018 3500HD - P129F code, left stranded. ericnottelin Discussion starter. ⇒ It may be necessary to use the terminal test kit with dielectric grease on it GM Recalls, Technical Service Bulletins TSB's, Diagnostic & Repair Tips. Bulletin Number: 24-NA-141 Hey guys! I know a lot of you have been asking why I don't make videos showing the programming process. It still runs but you have to feather the throttle to get it up to speed. 6 diesel. The suggested remedy was to replace the fuel pump control module. 2020 GMC Sierra 6. DTC P129F: Fuel Pump Driver Control Module Fuel Pump Speed Signal Incorrect. engine cranks not start. Apr 30, 2024 #2 StephenPT Full Access Member. Search NHTSA Database for (TSB’s) Technical Service Bulletins DTC P129F Set – 2019-2020 Chevrolet Silverado & GMC Sierra. 7 . The typical repair costs for addressing a P129B Chevrolet code can range from $200 to $600, including parts and labor. The P026D code is a diagnostic trouble code for diesel engines like Chevy and GMC Duramax. 2003 k3500 duramax, what contols the transfer pump to pump fuel from back tank to front tank, my front tank is the only - Answered by a verified Chevy Mechanic. Correction Please check for any updates to the TCM. And, how would you like to connect with the Mechanic - phone call or online chat? Customer: online is fine. I get a check engine light on the dash and then two messages reading vehicle power is reduced and a don’t stop driving like it’s going into regen the def gauge reads 3/4 full the truck has never had less than 1/2 a tank of def since Iv owned it. It also goes into a reduced power mode. It seams that the lift pump is making a strange noise during the initial key on 30 second run time. Page 2 December, 2021 Bulletin No. Diagnostics leads to a faulty fuel pump driver control module using altern 2017 Silverado 3500 LTZ (Summit White) | CC SB SRW | Z71 | Duramax L5P | Undercover Ultra Flex bed cover | Boss 9'2" DXT Stainless plow | AIMS 3kw inverter-charger | Titan Travel Trekker 50-gallon auxiliary fuel tank | Reese under-bed FW/GN rail kit with Demco 21k Autoslider | Vision Hauler 19. Limited to 55mph. : 18-NA-161 Some technicians may find one or more of the following DTC’s set: • B1325, B124B, B124C, B127B, B127E, C0544, C0710 What is the Cost to Diagnose the Code? Labor: 1. Jsharp123 · Registered. 5-inch wheels with Michelin XDS2 tires | Timbrens • P129F Fuel Pump Power Control Module Fuel Pump Speed Signal Incorrect • P12A6 Fuel Pump Power Control Module Enable Circuit Performance • P189C Transmission Range Command Message Performance • P2053 Reductant Injector 2 Control Circuit • P305D DC/DC Converter Crank Input Signal Circuit High Voltage • P3187 Fuel Pump Pressure I'm looking for a Body Control Module wiring diagram for a 2015 GMC Sierra Denali 3500 HD 6. Chevy / GMC Duramax 2017+ L5P Forums. Most auto repair shops commonly charge between $80 and $150 per hour Customer: 2018 chevy 2500 6. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Recall List for the 2021 GMC Sierra 1500. I monitored fuel pump command and actual at times the actual drops to zero, although the vehicle runs fine. 000 lb trailer and are we ever in a world of hurt 300 miles from home. We use cookies to give you the best possible experience on our website. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Show Chevy / GMC Duramax 2017+ L5P Forums. 251. DTC P129f, P129F P12A6 U0101 U0131 U0146 U0447 U160F At this point I've gotta be honest, super scared now since I've been dealing with recalled/unavailable parts for my trucks for about 5 months!! Any advice/help would be appreciated !!! A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Page 2 September, 2020 Bulletin No. DTCs that may be common with water intrusion the electrical connector:. 8M posts 220K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. GM Fuel Pump Flow Control Module GMC, Chevy, Silverado, Sierra, Tahoe, Yukon, Suburban, HummerThe video covers the replacement of the Fuel pump flow control 2018 silverado 3500HD with a P129F code. Cause The cause of the condition may be by a software anomaly. 6L Duramax® Turbo-Diesel Engines are covered for the first 5 years or 50,000 miles, whichever comes first. 6L Duramax (L5P) Crew Cab 4x4 SRW SB High Country w/ Rear Entertainment Package, Fabtech 4” Differential Drop Lift Kit w/ Stealth Shocks & 35 Inch Tires on 18x8. I changed it with brand new one from GMC and it still won't start. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. POWER TRAIN. Bought a 2021 Silverado LM2 and couldn't be happier. The most common cause of Some technicians may find DTC P129F (Fuel Pump Driver Control Module Fuel Pump Speed Signal Incorrect) set in the Engine Control Module (ECM). Come along with Eric O. 235 satisfied customers. After exiting the Interstate. Type Net Item 9104494* Verified Module Software or Calibration Level: Module Is P129F Cadillac Code - Fuel Pump Driver Control Module Fuel Pump Speed Signal Incorrect. After Page 2 November, 2020 Bulletin No. Official recalls have been issued for the 2021 GMC Sierra 1500 by the NHTSA. GM has issued a service bulletin #PIP5964 to address a no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, and Bulletin No. I got the recall on my 2018 L5P and never did anything about it for all the reasons stated. Correction: Check to see if Service Update N192266750 : Service Update - Incorrect Driver Display Message for Diesel Exhaust Fluid is open. Hey there, fellow truck owners! I had this and a couple other codes on my 2016 couple weeks ago. I confirmed with customer that he never experienced any loss of power or no starts. 2021 Duramax L5P No crank No start Part 1You won't believe this chevy Silverado issueone module killed the ignition fuse and shutdown everything from turning Cadillac parent company, General Motors, has issued a recall for certain units of the 2021 Cadillac Escalade over a possible fuel pump failure. Everything I have read says it is the fuel pump control module just needing some help figuring that out. Page 4 May, 2021 Bulletin No. and 2020 Silverado 1500 and Sierra 1500 models equipped with the 6. I drive mainly highway and was getting on average, 20 mpg not pulling and 10. ⇒ It may be necessary to use a generous enough amount of dielectric grease luckily, she was close to home. Code and problem severity escalations - was someone negligent? Jump to Latest 3. I was able to jump in the truck with the code reader and go to the gas station, low and behold same problem code P129F Fuel pump control module. The transmission output shaft bearing is pressed 2022 Chevy Silverado HD Duramax Recalled For Faulty Engine Control Module . While it was in they applied the block heater recall and reflashed something related to DPF Regen frequency. : 15-06-01-002H 4250109 1. Full Forum Listing P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, P11CC and / or P11D5 set current or in recent history. 17-19 GM TK2 Platform Performance Parts Discussion Code P228B Help! Jump to Latest Malfunction Indicator Lamp (MIL) Illuminated - DTC P0087, P026D, P0461, P0463, P0171, P0172, P0300 , P1029, P129F, P2A00, P2264, P228C, P228A, P228B, and/or P228D Set: Chevrolet: I have a 2020 L5P duramax high country currently 35k miles still under the bumper to bumper warranty. truck and service exhaust fluid system owner's manual engine light. Explore Our Forums. Jump to Latest Follow 41 - 41 of 41 Posts. 6L duramaxcustomer stays that he was dringing on the freeway and it shutted GMC Sierra 2500 HD SLT: was there injector recall on 2003 duramax. Join Community A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 5-2005 (LLY) 6. No idea if that filled the tank. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance So after this new ECM program recall that I had a couple weeks ago I have had 3 codes pop up. After the third time, I pulled the engine codes and found a P129F -Fuel Pump Driver Control Module Fuel Pump Speed Signal Incorrect. "Voluntary Emission Recall" "the DEF injection system may not operate as intended". December 6, Bulletin No. in 2 mins 6 months ago. The cord is hanging around underhood somewhere. 3. Work report from Been getting the low coolant warning since I had the engine block recall done. 04 duramax new style slight acceleration and starts missing has plenty of power balance rates on 5 and 7 are +3 to +4 mm3 when accelerate moderatly you can feel the miss and hear a valve rattle or fue Today, got a call from them saying there is a recall on my truck, to 'install an update to the radio software' that will take 2+ hours to complete. 6 liter engine and the optional engine-block heater cord, a short-circuit condition may develop in the engine-block heater cable or in the terminals that For many, the culprit behind the L5P Duramax P026D code is often a dirty MAP sensor. Keep reading to learn how to identify and fix this problem, ensuring your truck runs smoothly again. 3 that came in with the engine light on and a code P129D-00 that won't go away! It doesn' There are currently no related topics in our forums. The P129F Buick diagnostic trouble code indicates that there is an issue with the Fuel Pump Driver Control Module Fuel Pump Speed Signal being incorrect. The complete details of all recalls are listed below, along 2018 chevy 2500 6. Code went away for a little. On certain Chevrolet Silverado HD and GMC Sierra HD models with a 6. Hearsay suggests an even larger Duramax V8 will drop around 2026. Obviously, its not a transmission issue but a fuel system issue. Check for recalls on your GMC vehicle and ensure it is up to date with the latest safety information. RECORD_ID: 4857356. I'm guessing the dealer didn't properly refill the coolant? I took it back to the dealer & they refuse to cover anything. ⚠ Does your GMC have Safety Recalls? To diagnose the P129F GMC code, it typically requires 1. Chevy / GMC Duramax 04. Important: If the same calibration/software warning is noted on the TLC or SPS Summary screen, select OK and follow screen instructions. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. 5 gallons. 56 Axle Ratio, PRP Front Limit Straps, Fabtech Heavy Duty Tie Rods, Kryptonite Heavy Duty Pitman & Idler Arms, Cognito End Good morning. 2020 Chevy equinox 1. By Rhian Hunt. It has run great since then, course I only drive it when I'm really going on the 2007. : 20-NA-218 December, 2020 Page 5 Version 2 Modified Released November 17, 2020 Revised December 18, 2020– Added 2020 Truck Models and updated programming info Page 2 October, 2019 Bulletin No. 2017-19 GM T-K2 Platform Powertrain. Had the problem with crank no start and got code P129F. Service def system code. I grabbed my V2 and pulled the code and I got code P129F, Fuel pump speed signal incorrect. 6 Duramax Diesel; Other Diesel News; Duramax Diesel Basics; Nov 26. At dealer now waiting to hear back. Talked to a supervisor at Chevy & the best they can do is take $100 off the Took my 2020 in for the tire shakes and the service advisor said there is some sort of def level recall. This means that the fuel pump is not operating at the correct speed, which can lead to issues with fuel delivery to the engine. Joined 3d ago · 3 Posts The technician may find DTCs P129F, P16F3, P20EE, P20FF, P226D, P249D, P249E, P11CC and / or P11D5 set. 匚𝕦𝕞𝕞𝕚𝕟𝕤 pickup truck engines provide legendary power, reliability and durability. With just over 5000 mile, my DEF warning came on. I had the regen recall completed almost 2 months ago now and noticed a drastic drop in fuel mileage. This module is responsible for controlling the fuel pump's speed and ensuring it operates at the correct rate to deliver fuel to the engine. The injector issue was for all the LB7's with the 8th vin # of 1 those are LB7's, the injectors would just go out without rhyme or reason but usually had tell tell signs of it starting, if you search "smoking at idle" you will find a wealth of info on this forum about it, if you read enough threads you will see everything you need to do to find out if yours are bad or how bad they are. 2L Diesel Engine Duramax Third Generation: 2006-2007. Save Share 2019 Chevy Duramax HD 2500 ltz 6. 0 Duramax Recalls and Bulletins; 6. ground na low ref high speed lan-high speed lan+ na fuel line pressure signal na fp relay control -primary na ign 1 voltage low ref serial data enable 12+ What are the possible causes of code P129F? Faulty fuel pump and level sensor assembly; Fuel pump and level sensor harness is open or shorted; Poor electrical connection of fuel pump circuit and level sensor A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 2,850 Satisfied Customers. The problem: a fault may be present in the fuel pump power control module, which may cause the fuel pump to intermittently fail to operate. Nov 26 2 min read. Now cranks, will not turn over. 12,267 Satisfied Customers. figured I would mention it. 6. : 19-NA-277 July, 2020 Page 3 5620834 Replace the fuel tank, rear tank module (pump if equipped) including installing hose PN# 84788703 to the vent and route/secure with a zip tie under the lower barb, as ⚠ Does your Chevrolet have Safety Recalls? To diagnose the P129F Chevrolet code, it typically requires 1. We had supurb trailer braking before the recall now it throws the disabled trailer braking code and disconnects and we have no trailer braking. The corrective action is to reprogram the engine control module. 6L Direct Injection V8 Turbo Duramax Diesel Engine, the following conditions may exist: P226D, P16F3 and P129F). Vertical Scope, or other Duramax Forum staff members! Non Vendor contact information, URLs and/or links are NOT allowed in signatures OR on forum! 23 GMC Yukon 3. 04. 5 sputtered, died. Saw one person say that they were told the computer had to be programmed to My 2018 GMC 2500 Denali 2500 Duramax L5P Has 2 codes. 0 hour of labor. By Trey Hawkins. THIS IS NOT A RECALL — refer to Service Bulletin 04-00-89-053 for more details on the use of Engineering Information bulletins. Over the past few months I have been having intermittent issues with hard starting or crank/no start that lasts a few hours to a day, then it will drive fine for a few weeks. nit oxys ooz gdphjo bbip tmg sxykwlt rdzobcf rlhwm obyec