P129f fault code Loss of Power, Stalling Malfunction Indicator Lamp (MIL) Illuminated – DTC P129F Set – 2019-2020 Chevrolet Silverado & GMC Sierra. Date: April 3, 2023 at 8:47 pm According to a national database of repairs and the factory service manual, the fuel pump is the most probable cause of the problem. Don't know the exact configuration on these units, on the earlier ones the VNT mech was external and you could see it move when the engine was started and also push it manually to see how it felt. 6 weeks later, I have the engine throw the same code again with the rattle in the engine just like before. The automobile fault code P229F can be caused by a faulty Nitrogen Oxide (NOx) Sensor Bank 2. Expert. Need an advice regarding a recurring fault code maybe every 300 miles. Cost to Fix P129F. 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. The P129F diagnostic trouble code (DTC) indicates that the Fuel Pump Driver Control Module has detected an incorrect signal regarding the fuel pump speed. Jump to Latest 11K views 8 replies 7 participants last post by Gkountz Nov 22, 2024. Locate the module near the fuel tank for easy access. ⇒ It may be necessary to use the terminal test kit with dielectric grease on it Work Shop Code: WSC 66565 257 00032 VCID: 3777C3CB46569B6 2 Faults Found: 004767 - Low-Pressure Fuel Pressure Regulation P129F - 001 - Pressure too High - MIL ON Freeze Frame: Fault Status: 11100001 Fault Priority: 2 Fault Frequency: 1 Mileage: 66727 km Time Indication: 0 Date: 2012. 2020 GMC Sierra 4wd 5. Seems that there’s quite a bit of $$ difference between the the two. This means that the fuel pump is Learn The Common Symptoms and Causes of P129F or P023F Codes in GM Vehicles. Has any1 had a P129F VAG-COM fault code: 004767 - Low-Pressure Fuel Pressure Regulation: Pressure too High I deleted it and two weeks later it was in the fault memory again. Time. In addition to the symptoms, you may find P129F or P023F codes stored. Kurt Mulling. A diagnostic trouble code My truck threw the P129F last week. at D&DTire. 7L L3B, or 3. 4 posts · Joined 2023 Add to quote; Only show this user #1 · Jan 14, 2023. P129F Code 2019 Chevy 5500. From what I have read it might be the lift pump or fuel pump driver control module. fault code; FAQ; OUR; Contact us; December 31, 2022 P1000 to P1099. 6 FSI PLS help URGENT FUEL CODES S3 8P1 DAMSEL IN DISTRESS P310B P129F P2540 so ive bought this car 3/4 days ago, no oem lights nothing, seems when engine is warm (like ive driven it) go in to a shop n come out turn engine on after about 5/10 secs it almost struggles for about 3-6 seconds DTC P129F, sometimes indicated as P129F00, is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (Manufacturer Controlled Fuel and Air Metering). Its P229f which is something to do with the nox sensor. How much does it typically cost to repair OBDII code P129F in a Cadillac? - The cost of repairing the P129F code in a Cadillac can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor. 3L L84, 6. The measured air flow is greater than the reference by more than 80 mg/stroke for 8 seconds. GM has issued a service bulletin #PIP5964 to address a no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, and fuel gauge inoperative on the vehicles listed below. It’s been at the dealership for 4 days now and still no word. 2L L87, 4. 10. Truck will sporadically not start. 0L LM2. . X. I’ve looked on you tube and it Repair Information for P129F Buick code. How to fix code P129F? Start by checking the “Possible Causes” listed above. The typical repair costs for addressing a P129F code can vary depending on the specific cause of the issue. Had fault code P129F so they replaced the fuel pump power control module under warranty. 121 Satisfied Customers. Al, Master Tech. 3l, Raymond ASE. Sorry if this is a repeat post. Due to fuel intrusion into the low pressure side fuel pressure sensor (G410), Looks like the output is stuck in one position - which might be the sensor or it might be the turbo. P229F: Uncovering The Culprits Behind The Fault Code. Let it set for 5 minutes or maybe a day and it will start and clear the code on its on. GM has issued a service bulletin #PIP5964 to address a no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, and What are the possible causes of OBDII code P129F indicating an incorrect fuel pump speed signal in a Chevrolet? - Potential causes include a faulty fuel pump driver control module, damaged The ECM calculates the error between the commanded fuel pump speed and the fuel pump speed reported by the fuel pump driver control module. Dealer says fuel pump module bad? Reply to Comment. Customer. P129F fault code. I’m booked in for a stage2 at r-tech with Niki Gower in a - While you can clear the code temporarily, it is advisable to diagnose and repair the underlying issue causing the code P129D to prevent further problems with the vehicle's fuel system. Reactions: Jettix2, EducatorDan, Fless and 3 others. It’s been to the dealership several times and they can’t fix Chevrolet Codes; Trouble Code Fault Location Probable Cause; B1325: Control Module Power Circuit Low/High Voltage: P129F: Fuel pump speed signal -incorrect: Wiring, fuel pump flow control module (FPMC), fuel pump flow control module (FPCM) relay: P12A1: Fuel pump speed circuit -high duty cycle: Page 2 September, 2020 Bulletin No. The ECM calculates the error between the commanded fuel pump speed and the fuel pump speed reported by the fuel pump driver control module. Just crank. Online chat. 2 2018 2500 L5P ran fine then wouldn’t start. I now monitor the lift pump PSI on my monitoring tool. A diagnostic trouble code Can be caused by a faulty G410 sensor. See TSB 01-07-69 (TB 2016182) for more information on testing and updated part numbers. Looked at the codes and it had a P129F. Specialities include: Buick, Cadillac, Car, Chevy, Chrysler, Dodge, Ford, GM, GMC, Jeep, Lincoln, Mercury, Oldsmobile, Pontiac, Saturn Customer: I have a code p129f. 3L Have fault code C0610. 29 Time: 15:14:32 Freeze Frame: RPM: 758 /min Load: 17. Conditions of activation of the When found in VW "FSI" Direct Injection engines, may also have DTCs P129F, P008B, P129E, P008A, P2540 and/or P0087. Filter. 8. 2024 Chevrolet Silverado ZR2. 6. It also goes into a reduced power mode. My 2018 GMC 2500 Denali 2500 Duramax L5P Has 2 codes. Posts; Latest Activity; Photos . All Time Today Last Week Last Month. Code P129F – Fuel Pump Driver Control Module Incorrect Fuel Pump Speed Signal. It still runs but you have to feather the throttle to get it up to speed. Hi all. Is it possible to reset OBDII code P129F in a Cadillac without 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 Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different 2008 Silverado LT, Crew Cab, 2WD,LB Fault Code: P129F: Description of Fault: Air circuit: Quantity of fresh air above the reference value (APV). richnixon86 Discussion starter. I had this code pop up 6 weeks ago and took it into the dealership for repair. Will let you all know how it goes. In general, the cost of parts such as a new fuel pump driver control module or fuel pump, along with labor costs, could range from $200 to $800. : 20-NA-197 Correction 5652222 Inspect the fuel pressure sensor electrical connector for corrosion or damage. Customer: I have a 18 gmc Duramax that keeps throwing a p129f code. Check engine light on. P2540 code ERROR on golf 5 1. The Fuel Pump Driver Control Module sends reports of the actual fuel pump speed to the Engine Control Module (ECM) as serial data every 10 ms. GMC sierra Fault p129 Need troubleshooting info and sechametic For this fault to determine if fuel pump or module okay so it is P129F, thanks for that. Eos Condition: MIL on, DTC P129F and/or P310B stored in ECM fault memory. December 6, Fault code database, telling you the reasons and solutions for When these codes popped on my truck (P102A, P129F), I could not find an easy fix online. Posted by Eva Frederic. Test wiring before replacing the module and consider reprogramming based on repair needs. 20221 Chevy Suberban P129F fuel pump power control module fuel pump speed signal incorrectFuel Pump Control Module 13537053How to check GM fuel pump control Use a high-end scan tool to interact with the module and follow diagnostic codes like P129F. P0777 and P2820 fault codes. I havent noticed any change in performance or trouble within the last 1k miles, just kept on deleting it when it appears. 9. The fault code P129F can be caused by: a faulty fuel pump and level sensor assembly, an open or shorted harness for the fuel pump and level sensor assembly, a poor electrical connection in the fuel pump and level sensor Code P129F Description. I’ve reset the fault using OBD, came back on again after about 100 miles or so. 3L LV3, 2. Models Year Eng Code VIN Range (A5) Jetta 2006-’08 2. 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. Lead Tech. : 21-NA-149 Condition 4 This Condition pertains to vehicles equipped with engines 5. GMC Mechanic: RiopH. Check engine light only. Think control module. They installed the new design for my injectors. I have read that there may be some wiring issues to the lift pump. I have a I stopped at AutoZone to have the code read (I was about 200 miles from home and wanted to make sure it was safe to drive) and the engine code was P129F - Fuel Pump Driver Control Module Fuel Pump Speed Signal Incorrect. New to this forum. They also did the bcm update for DRL and looked at 3rd row seatbelt recall while it was there so should be all up to date . Everything I have read says it is the fuel pump control module just needing some help figuring that out. How much does it typically cost to repair OBDII code P129D? - The cost of repairing the P129D code can vary depending on the specific cause. Date: April 3, 2023 at 8:47 pm According to a national database of repairs Page 4 November, 2021 Bulletin No. Jan 18, 2023 #29 89Suburban I got a p129f code and my vehicle will start then stall GMC fuel pump control module, no, 2019 Silverado 1500 5. See TSB 01-11-28 (TPI 2027458) Common fault codes are found here; When this fault is stored after all of the typical failure items have been replaced or tested, What are the possible causes of the GMC P129F code? Faulty fuel pump and level sensor assembly; Fuel pump and level sensor harness is open or shorted - Yes, code P129F can lead to decreased fuel efficiency due to improper fuel pump operation affecting the engine's performance. No idea what that means, but will call the dealer tomorrow and get it in to be fixed. The automobile fault code p229f can be caused by various factors, including a faulty NOx sensor, open or shorted harness, and poor electrical connection. Collapse. 3L L82, 5. Page of 1. P129F : Fuel low pressure system high Druckzu 129F 04767 [Audi/VW] I know this means the #2 & #7 injector failure. The Fuel While the specific code P129F may be specific to Buick vehicles, Learn The Common Symptoms and Causes of P129F or P023F Codes in GM Vehicles. OBDIITech. Anyone in here has an experiencenon this?🤞 P11DC fault code. GM issued TSB #21-NA-025 in late May on the issue. P129F & P228C. Dealer replaced the control module per the TSB and I picked it up yesterday. Search. It cranked, but wouldn’t ever start. 7. Regular maintenance and timely addressing of warning signs can prevent future issues. 0L (BPY) 1K_6M000001 to 1K_8M006349. Can a DIY enthusiast fix OBDII code P129F in a GMC vehicle? - Depending on the root cause, some DIY enthusiasts may be able to address the issue by following repair guides and using the necessary tools. First my truck popped P102A, but I kept driving for a couple days waiting to figure out the problem. It seams that the lift pump is making a strange noise during the initial key on 30 second run time. xdp syq oxp lfoygx oksdj qilzbv hcji apsxs yxh jjend