2008 chevy tahoe hybrid auxiliary transmission pump Symptoms of a bad transmission oil pump. The auxiliary transmission fluid pump is responsible for maintaining proper hydraulic pressure within the transmission system. e two filters fluid seal and new cable See full list on oemcats. For vehicles sold in the United States, in addition to the Bumper-to-Bumper Coverage described in the Limited Warranty and Owner Assistance manual, General Motors will warrant certain Hybrid components for each 2008 Chevrolet Tahoe Two-Mode Hybrid and GMC Yukon Two-Mode Hybrid (hereafter referred to as Hybrid) for 8 years or 100,000 miles (160 000 kilometres), whichever comes first, from the Jul 14, 2021 · Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Nov 1, 2022 · 2008 Chevy Tahoe Hybrid transmission Revs up shifting from hybrid mode to Engine mode sometimes Peter L 67. The auxiliary transmission fluid pump (ATFP) system supplies the transmission with hydraulic pressure when the vehicle is operating in the internal combustion engine (ICE) Autostop hybrid mode. To ensure reliability, purchase GM part # 29543727 Gasket, Automatic Transmission Auxiliary Fluid Pump. 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. Tahoe, Yukon, Escalade. Thanks for all the information. We started with Condition/Concern Effective 9/27/10 the Auxiliary Transmission Fluid Pump Control Module and Auxiliary Transmission Fluid Pump, have been placed on restriction through the GM TAC (Technical Assistance Center). com offers genuine Automatic Transmission Assembly for 2008 Chevrolet Tahoe 2WD Hybrid with great price and fast delivery. CHEVROLET TAHOE 08 Transmission, (next to battery), auxiliary oil cooler pump. This is typically accompanied by OBD-II codes P2797 (Auxiliary Transmission Fluid Pump Performance) and/or P0C2B (Auxilliary Transmission Fluid Pump Control Module Feedback Signal) and/or P0AC4 (Hybrid Powertrain Control Module Requested MIL). Read below the HELP WILL BE RETURNED! My 09 Tahoe hybrid has been having stalling, lurching and cylinder 7 misfires recently. For example, it will cause overheating, shift issues, hesitation when accelerating Shea Chevrolet Parts At Shea Chevrolet we deal in OEM parts and accessories you you know when you order your Automatic Transmission Auxiliary Fluid Pump Control Module (24261817) from us you will receive a brand new, factory direct part that will perfectly fit your 2008-2013 vehicle. Jan 1, 2020 · The GM 2ML70 2 Mode Hybrid system first appeared as a 2008 model in the Chevy Tahoe and the GMC Yukon and was followed by the Cadillac Escalade in 2009. We stock parts and accessories for Silverado 1500, Silverado 2500, Chevrolet Tahoe, Corvette, Camaro, and many more. In January a shop started the process of going through the repair process. Electric Aux. You get parts that fit, guaranteed wholesale prices, worldwide shipping and courteous service at NewGMParts. Mechanic's Assistant: What is the model of your 2008 Chevy? Customer: It's a Hybrid Tahoe SKU: 29543727 Other Names: Automatic Transmission Oil Pump Seal Description: Gasket. Jul 21, 2017 · I’ve got a 2008 Yukon hybrid and just rolled over 200,000 miles. Symptoms of failure include delayed shifting or transmission noise. Long story short, I've had the P0C2B and P0AC4. i'm still going to need a few parts i. Numbers represent search interest on a scale from 0 to 100, where 100 is the period with the most popularity as a fraction of total searches during that period. New hybrid service transmissions include a 2010 model year transmission auxiliary fluid pump that utilizes an updated connector that will not plug into the transmission auxiliary fluid pump control module. Just wanted to share what I found. 09 Tahoe Hybrid Misfire Rough Ride Help Needed!! Hey Guys! I posted this to green hybrid with no success so was hoping someone could help me here. (See example below) Inspect engine harness on both sides of the engine for the holding clip being mis-positioned and the conduit tab (that is part of the clip) is cutting into the harness. Applications include the 2008 Chevrolet Tahoe and GMC Yukon and the 6. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. 3B (?4c8> Transtar industries automatic transmission oil pump & vane kit. Inspect for a misrouted harness having chafed, damaged, pinched, open or shorted wiring from rubbing on the cooling fins of the Transmission Auxiliary Fluid Pump Control Module as shown. FITS '06-'24 GM with cast numbers 24236121, 24239892, 24239952 Dec 3, 2018 · 5) If the customer concern does not re-produce, the “Hybrid Low, 1-2 clutch” assembly is operating normally and the control module has a Date Code of 089-11-XXXX or older, replace the auxiliary transmission uid pump control module. Oct 22, 2017 · the Aux transmission pump & controller might need to be replaced since it's not HOLDING pressure correctly, it has two filters maybe the filter is clogged ? or you can run it in M4 this will disable autostop and AFM for free but at best you will only get 20-21mpg city /21MPG highway this is the best i'm able to do) . Follow published diagnosis inspect the wiring between the HPCM and the auxiliary transmission fluid pump control module. The auxiliary transmission pump in the 2008 Chevy Tahoe Hybrid maintains fluid pressure when the engine is off. Around 150,000 miles the car shutoff completely and wouldn't start while displaying the dreaded "Service hybrid System" message. com is a leading supplier of genuine GM parts and accessories such as GM 19207983 Pump Kit,Automatic Transmission Auxiliary Fluid. This is on Typical Hybrid Sounds Your hybrid vehicle has several electric motors, including the motors in the transmission that help power the vehicle as well as the air conditioning compres-sor, brake pump, coolant pumps, and, within the Hybrid Energy Storage System, a cooling fan and electrical contactor switches. Mechanic's Assistant: When was the last time your transmission fluid was checked or changed? Follow the tables below when servicing 2008 and 2009 model year vehicles with the above hybrid service transmissions, 2010 transmission auxiliary fluid pumps and 2010 transmission auxiliary fluid pump control modules. I’m curious if anyone has had problems with these transmissions or have ever had it replaced/rebuilt. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Condition: New Replaces Customer: I have a 2008 Chevy Truck Hybrid and I would like to know the price for an auxiliary transmission fluid pump. : PIP4833F Date: Aug-2016 Subject: Auxiliary Transmission Fluid Pump (ATFP) Control Module And Pump Parts Restriction has Ended Models: 2009-2013 Cadillac Escalade 2008-2013 Chevrolet Tahoe Bulletin No. It also fits GMC Sierra, Yukon. Do you see anything wrong in this picture? The pins where corroded and the one on the bottom left of the picture got hot enough to melt the connector casing. Oct 31, 2025 · GMC YUKON 09 Transmission, (next to battery), auxiliary oil cooler pump, ID 29547550. Seems to be when Jerry Orldrive Thread Dec 13, 2020 2009 tahoe 2009 Feb 11, 2019 · Learn the key signs of a failing transmission pump including noise, slippage, and leaks. BMW uses the two-mode 2ML70 in its ActiveHybrid X6, and Mercedes-Benz also uses it. For vehicles sold in the United States, in addition to the Bumper-to-Bumper Coverage described in the Limited Warranty and Owner Assistance manual, General Motors will warrant certain Hybrid components for each 2008 Chevrolet Tahoe Two-Mode Hybrid and GMC Yukon Two-Mode Hybrid (hereafter referred to as Hybrid) for 8 years or 100,000 miles (160 000 kilometres), whichever comes first, from the Jan 4, 2018 · Chevrolet Tahoe (2008) – fuse box diagram Year of production: 2008 Instrument panel fuse block The instrument panel fuse block access door is located on the driver’s side edge of the instrument panel. 0L Hybrid Transmission Auxiliary Fluid Pump 29546430 OEM at the best online prices at eBay! Free shipping for many products! Check for a misrouted harness rubbing on the cooling fins of the Transmission Auxiliary Fluid Pump Control Module. For vehicles sold in the United States, in addition to the Bumper-to-Bumper Coverage described in the Limited Warranty and Owner Assistance manual, General Motors will warrant certain Hybrid components for each 2008 Chevrolet Tahoe Two-Mode Hybrid and GMC Yukon Two-Mode Hybrid (hereafter referred to as Hybrid) for 8 years or 100,000 miles (160 000 kilometres), whichever comes first, from the Mar 6, 2022 · I have a 2008 Gmc Yukon hybrid and I just recently replaced the Auxiliary transmission control module but have yet to have it programmed and was wondering how the vehicle would respond to the control module without it being programmed. Any input on this???? Fuse box diagram (location and assignment of electrical fuses and relays) for Chevrolet (Chevy) Tahoe (2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014). If a . May 27, 2023 · A bad transmission pump can give you some clear signs, such as a delayed response from your vehicle, strange noises coming from the transmission, difficulties with shifting gears, overheating of the transmission, and leaks of transmission fluid. Jun 11, 2020 · Long time lurker, first time poster. We feature full catalogs of OEM parts for all GM models. Jul 14, 2021 · EVT MODE 1 (LOW) To ensure reliability, purchase GM part # 19207983 Pump Kit,Automatic Transmission Auxiliary Fluid. Customer: I have a 2008 Chevy Truck Hybrid and I would like to know the price for an auxiliary transmission fluid pump. ⇒ If the wiring is damaged, repair as needed. This code indicates that there is an issue with the operation of the auxiliary transmission fluid pump in the vehicle. 2009 Chevrolet Tahoe Hybrid Owner's Manual - Page #59. See repair options and why professional help is essential at RepairPal. Dec 13, 2020 · 09 Tahoe Hybrid Misfire Rough Ride Help Needed!! Jerry Orldrive Dec 13, 2020 2009 tahoe 2009 tahoe hybrid tahoe auxiliary transmission pump tahoe hybri tahoe hybrid battery tahoe hybrid problems tahoe lurching tahoe misfire The auxiliary transmission fluid pump (ATFP) system supplies the transmission with hydraulic pressure when the vehicle is operating in the internal combustion engine (ICE) Autostop hybrid mode. You'll always receive genuine OEM parts and accessories when you shop with us. Mechanic's Assistant: When was the last time your transmission fluid was checked or changed? Customer: I replaced my hybrid transmission about three weeks ago and had new fluid added. It also was used for a short time in the 2009 5. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket © 2025 Google LLC Equip cars, trucks & SUVs with 2008 Chevrolet Tahoe Automatic Transmission from AutoZone. Order online or call 214-920-4199. com Jul 11, 2025 · Item description from the seller 2008 Tahoe Hybrid Transmission Auxiliary Fluid Pump GM 29546430 Warranty and Shipping: It fits Chevrolet Silverado, Tahoe. If the wiring tests OK with no terminal tension related concerns at either end of the circuits suspect a possible auxiliary transmission fluid pump control module related concern. Order your Automatic Transmission Auxiliary Fluid Pump Control Module ( 24261817) for your 2008-2013 vehicle and we will ship it to you in just a matter of days. Nov 14, 2018 · So your motor is good now Brent? Is that aux pump unique to your Hybrid's transmission? yeah it's unique to the hybrid waiting on delivery of it . GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". Pump. : PIP4833E Date: May-2014 Subject: Auxiliary Transmission Fluid Pump (ATFP) Control Module And Pump Parts Restriction Models: 2009-2013 Cadillac Escalade 2008-2013 Chevrolet Tahoe Dec 5, 2014 · This bulletin applies to a number of GM hybrid vehicles, including 2009-2011 Cadillac Escalade, GMC Sierra and Chevy Silverado, and 2008-2011 Chevy Tahoe and GMC Yukon, all with two-mode Hybrid option RPO HP2 and 2ML70 transmission RPO M99. This part requires programming and/or special setup procedures. In video I explain how to tell the transmission oil pump is failing. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Perfect for your vehicle and lifestyle, GM Original Equipment Automatic Transmission Fluid Pump Cover Kit by ACDelco. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. 0-liter 2009 Cadillac Escalade. GMPartsGiant. Oct 22, 2017 · GM Tahoe hybrid battery pack - 20 blocks V3 pre-orders will be fulfilled within 1 month Say goodbye to the old and refurbished NiMH battery, replace and upgrade to the award winning NexPower battery pack with better performance and affordable price. Save money when you get your Automatic Transmission Auxiliary Fluid Pump Control Module (24261817) for your 2008-2013 vehicle. Chevy Tahoe 4L60-E Transmission 2008, Genuine GM Parts Automatic Transmission Oil Pump Cover Bolt by ACDelco. 7-liter Chrysler Aspen and Dodge Durango. E. SKU: 24261817 Other Names: Control Module Description: Auxiliary trans oil cooler. 2008 Chevy Tahoe Hybrid Auxiliary Transmission Pump. com. Buy this OEM Automatic Transmission Auxiliary Fluid Pump Control Module #24261817 for 2008-2013 GM and save. Rides very rough especially when idle or in reverse. Feb 1, 2010 · GM's 2ML70 hybrid transmission (Figure 1) is a four-speed unit with fourth gear being overdrive. 6L80 6L90 TRANSMISSION PUMP ASSEMBLY with BELL HOUSING & ROTOR KIT REMANUFACTURED O. Sep 7, 2024 · The P2797 diagnostic trouble code refers to the Auxiliary Transmission Fluid Pump Performance. Get Yours Today! We have the best products at the right price. I've got an 08 Yukon that I've been slowly repairing, luckily through warranty claims on the most Hybrid issues. Dec 27, 2016 · This can also cause pauses in acceleration or also sudden accelerations at low speeds. May 13, 2018 · Hi Tom, My hybrid just rolled 200,000 last December and is currently in the shop getting a complete engine overhaul (oil pump/hydraulic lifters issues). . 3K subscribers Subscribe Find many great new & used options and get the best deals for 2009 GMC Tahoe 1500 6. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Condition: New Get a Automatic Transmission Auxiliary Fluid Pump Control Module Part # 24261817 for your GM automobile. Customers may comment on either of two drivability concerns. Seems like my transmission is acting up, clunky noises during shifting or pulling light loads. Oct 9, 2020 · I am working on a 2008 GMC YUKON with the same problems. My chevy dealer "serviced/cleaned" the hybrid unit to fix the Bulletin No. cyrwiw naevc wkxzhhm ebgsw jalxs iejuq qclh nxza tmxomr fdeb kguky bzfr qycnx wun qzqm