GMC Yukon Transmission Problems & Cost

The GMC Yukon was equipped with the 4L60E in early models, the 4L65E in 6.0L models, the 4L80E in Yukon XL 2500 models, the 6-speed 6L80 in later models and the 6-speed 6L90 in the later model Yukon XL 2500. But they aren’t without their problems though, so let’s look at some of the most common GMC Yukon transmission problems, look at cost estimates and figure out what you can do about them.

Need a replacement transmission? Get an estimate for replacement transmissions and local installation. Look up your transmission model by vehicle make and model.

What Transmission Do I Have?

GMC Yukon Transmission Models

GMC Yukon: 4L60E Transmission (Early Models)
GMC Yukon: 4L65E Transmission (6.0L Models)
GMC Yukon: 4L80E Transmission (Early Model XL 2500)
GMC Yukon: 6L80 Transmission (Later Models)
GMC Yukon: 6L90 Transmission (Late Model XL 2500)
GMC Yukon: 8L90 Transmission (Later Models)

GMC Yukon Transmission Replacement Cost Estimate

Pricing varies by model. To be 100% sure on pricing, have your VIN# handy and use our Get An Estimate feature to look up your transmission by VIN#.

Replacement GMC Yukon Transmission Prices:

TransmissionStreet Smart TransmissionAutozoneAdvance Auto PartsDealer Retail
4L60E / 4L65E1671169917992133
4L80E1875188918902800
6L80 / 6L902247252025392930

What are the DTC codes related to GMC Yukon transmission problems?

Trouble CodeDescription
P0706Transmission Range Sensor Circuit Range/Performance
P0711Transmission Fluid Temperature Sensor Circuit Range/Performance
P0712Transmission Fluid Temperature Sensor Circuit Low Input
P0713Transmission Fluid Temperature Sensor Circuit High Input
P0714Transmission Fluid Temperature Sensor Circuit Intermittent P0715
P0715Input/Turbine Speed Sensor Circuit
P0716Input/Turbine Speed Sensor Circuit Range/Performance 
P0717Input/Turbine Speed Sensor Circuit No Signal
P0718Input/Turbine Speed Sensor Circuit Intermittent
P0719Torque Converter/Brake Switch B Circuit Low
P0720Output Speed Sensor Circuit
P0721Output Speed Sensor Circuit Range/Performance
P0722Output Speed Sensor Circuit No Signal
P0723Output Speed Sensor Circuit Intermittent
P0724 Torque Converter/Brake Switch B Circuit High
P0740Torque Converter Clutch Circuit Malfunction
P0741Torque Converter Clutch Circuit
P0742Torque Converter Clutch Circuit Stuck On
P0746Pressure Control Solenoid 'A' Performance or Stuck Off
P0747Pressure Control Solenoid 'A' Stuck On
P0748Pressure Control Solenoid 'A' Electrical
P0751Shift Solenoid 'A' Performance or Stuck Off
P0752Shift Solenoid 'A' Stuck On
P0753Shift Solenoid 'A' Electrical
P0756Shift Solenoid 'B' Performance or Stuck Off
P0757Shift Solenoid 'B' Stuck On
P0758Shift Solenoid 'B' Electrical
P0776Pressure Control Solenoid 'B' Performance or Stuck Off
P0777Pressure Control Solenoid 'B' Stuck On
P0785Shift/Timing Solenoid
P0796Pressure Control Solenoid 'C' Performance or Stuck off
P0797Pressure Control Solenoid 'C' Stuck On
P0826Up and Down Shift Switch Circuit
P0851Park/Neutral Switch Input Circuit Low
P0894Transmission Component Slipping
P0960Pressure Control Solenoid “A” Control Circuit/Open
P0962Pressure Control Solenoid “A” Control Circuit Low
P0963Pressure Control Solenoid “A” Control Circuit High
P0964Pressure Control Solenoid “B” Control Circuit/Open
P0965Pressure Control Solenoid “B” Control Circuit Range/Performance
P0966Pressure Control Solenoid “B” Control Circuit Low
P0967Pressure Control Solenoid “B” Control Circuit High
P0970Pressure Control Solenoid “C” Control Circuit Low
P0971Pressure Control Solenoid “C” Control Circuit High
P1860TCC PWM Solenoid Circuit Electrical
P1870Transmission Component Slipping: GM Transmission
P2715Pressure Control Solenoid ‘D’ Stuck On
P2723Pressure Control Solenoid ‘E’ Stuck Off

GMC Yukon Transmission Recalls

Recall 14V152000 – Transmission cooler line leak – 6L80 Transmission
2014 Chevrolet Silverado 1500 Light Duty Regular Cab, Double Cab, and Crew Cab
2015 Chevrolet Suburban
2015 Chevrolet Tahoe
2014 GMC Sierra 1500 Regular Cab, Double Cab, and Crew Cab 2015 Chevrolet Yukon
2015 Chevrolet Yukon XL

Summary –
In March 2014, General Motors recalled certain 2014 Chevrolet Silverado Light Duty Regular Cab, Double Cab, and Crew Cab 1500 series and model year 2015 Suburban and Tahoe; GMC model year 2014 Sierra Regular Cab, Double Cab, and Crew Cab 1500 Series and model year 2015 Yukon and Yukon XL vehicles equipped with a 6L80 6-Speed Automatic Transmission. The recalled trucks may have a transmission oil cooler line that is not securely seated in the fitting.

Consequence –
If the line is not securely seated and transmission oil leaks from the fitting, the oil could contact a hot surface and cause a vehicle fire.

Remedy –
Dealers were instructed to inspect the transmission oil cooler line connection and repair the vehicles, as needed, free of charge. Owners may contact the National Highway Traffic Safety Administration at 1-888-327-4236 (refer to recall 14V152000).

GMC Yukon Technical Service Bulletins (TSB)

TSB 01-07-30-002C – Transmission stuck in third gear with inoperable instrument cluster and multiple DTC’s – 4L60E Transmission & 4L65 Transmission
1999 – 2003 Cadillac Escalade – 2002 – 2003 Cadillac Escalade EXT – 2003 Cadillac Escalade ESV – 1997 – 2003 Chevrolet Silverado – 1997 – 2003 Chevrolet Suburban – 1997 – 2003 Chevrolet Tahoe – 1997 – 2003 Chevrolet Blazer – 1997 – 2003 Chevrolet Express – 1997 – 2003 Chevrolet S10 – 2002 – 2003 Chevrolet Avalanche – 2002 – 2003 Chevrolet Trailblazer – 2002 – 2003 Chevrolet Trailblazer EXT – 1997 – 2003 GMC Sierra – 1997 – 1999 GMC Suburban – 1999 – 2003 GMC Yukon XL – 1997 – 2003 GMC Yukon – 1997 – 2001 GMC Jimmy – 1997 – 2003 GMC Savanna – 1997 – 2003 GMC Sonoma – 2002 – 2003 GMC Envoy – 2002 – 2003 GMC Envoy XL – 1997 – 2003 Oldsmobile Bravada
Problem – Vehicles equipped with the 4L60E and 4L65E transmission may become stuck in third gear, the instrument cluster may not function, and the following DTC’s may be set: P0740, P0753, P0758, P0785 and P1860.
Solution – The most likely cause of this transmission problem is a blown fuse or an open on circuit 1020 between the fuse panel and the transmission. If no battery voltage is found at the fuse, the ignition switch will need to be replaced

TSB 01-07-30-023B – Harsh 1-2 upshift with P1870 DTC – 4L60E Transmission RPO M30
1996 Buick Roadmaster – 1996 Cadillac Fleetwood – 1999-2000 Cadillac Escalade – 1996-2000 Chevrolet Camaro – 1996-2000 Corvette – 1996-2000 Pontiac Firebird – 1996-2000 Chevrolet and GMC Light Duty Truck Models – 1996-2000 Oldsmobile Bravada
Problem – Drivers may experience an unusually harsh 1-2 shift because the ECU has commanded maximum line pressure in order to compensate for excessive wear in the bore that contains the TCC isolator and regulator valves inside of the valve body.
Solution – Replace the 4L60E valve body with revised TCC regulator and isolator valves.

TSB 08-07-30-027 – No movements when transmission is shifted into Drive or third – 4L60E Transmission – 4L65E Transmission – 4L70E Transmission
1982-2005 GM Passenger Cars and Light Duty Trucks: 2006-2007 Buick Rainier – 2006 Cadillac Escalade, Escalade ESV & Escalade EXT – 2006 Chevrolet SSR – 2006-2008 Chevrolet Avalanche – 2006-2008 Chevrolet Colorado – 2006-2008 Chevrolet Express – 2006-2008 Chevrolet Silverado Classic – 2006-2008 Chevrolet Silverado – 2006-2008 Chevrolet Suburban – 2006-2008 Chevrolet Tahoe – 2006-2008 Chevrolet TrailBlazer – 2006 GMC Yukon Denali – 2006 GMC Yukon Denali XL – 2006-2008 GMC Canyon – 2006-2008 GMC Envoy – 2006-2008 GMC Savana – 2006-2008 GMC Sierra Classic – 2006-2008 GMC Sierra – 2006-2008 GMC Yukon – 2006-2008 GMC Yukon XL – 2006 Pontiac GTO – 2006-2007 HUMMER H2 – 2006-2008 HUMMER H3 – 2006-2008 Saab 9-7X – with the 4L60, 4L60E, 4L65E or 4L70E Automatic Transmission (RPOs MD8, M30, M32, M33 or M70)
Problem – It is possible to experience no movement when the transmission is shifted into Drive or the 3rd gear position. It is possible to experience normal operation when the transmission shifted into second, first or reverse.
Solution – Replace the forward sprag assembly

TSB 00-07-30-022D – No reverse, second or fourth gears – 4L60E Transmission & 4L65E Transmission
1993 – 2005 GM passenger cars and light duty trucks
Problem – Drivers may experience the loss of reverse, second and fourth gears. First and third gears will seem to function normally
Solution – The reaction sun gear may fail inside of the sun shell. It will need to be replaced with a stronger heat-treated 4L60E / 4L65 sun gear.

TSB 01-04-17-004B – Clunk, bump or squawk when vehicle comes to a stop, or when it is accelerating from a complete stop – 4WD/AWD vehicles with a one-piece propeller/drive shaft only
1999-2004 Cadillac Escalade, Escalade EXT, Escalade ESV – 1996-1999 Chevrolet 1500 Series Extended Cab Short Box Pickup (Old Style) – 1996-1999 Chevrolet 1500 Series Regular Cab Pickup and Utility Models (Old Style) – 1999-2002 Chevrolet Silverado Extended Cab Short Box (New Style) – 1999-2004 Chevrolet Silverado 1500 Series Regular Cab (New Style) – 2000-2004 Chevrolet 1500 Series Avalanche, Suburban and Tahoe – 2001-2004 Chevrolet Silverado 2500/3500 Series Regular Cab with Long Bed or Extended Cab (New Style) – 2001-2004 Chevrolet Silverado 2500 series crew cab, short box (New style) – 1996-1999 GMC 1500 series extended cab short box (Old style) – 1996-1999 GMC 1500 series regular cab pickup and utility models (Old Style) – 1999-2002 GMC Sierra extended cab short box (New style) – 1999-2004 GMC 1500 series Yukon, Yukon XL – 2000-2004 GMC Sierra 2500/3500 series regular cab with long bed or extended cab (New style) – 2001-2004 GMC Sierra 2500 Series Crew Cab, Short Box (New Style) – 2003-2005 HUMMER H2
Problem – In vehicles equipped with 4WD or AWD, drivers may experience a clunk, bump or squawk noise when they come to a stop, or when accelerating from a complete stop. This may occur during the 2-3 upshift or 3-2 downshift.
Solution – Replace the rear driveshaft slip yoke with a more robust nickel plated slip yoke.

TSB 06-07-30-007A – Harsh 1-2 shift with P0894 DTC – 4L60E Transmission | 4L65 Transmission | 4L70E Transmission
2006 Cadillac Escalade Models – 2006 Chevrolet Light Duty Trucks – 2006 Chevrolet Express Vans – 2006 GMC Light Duty Trucks – 2006 GMC Savana Vans – 2006 Pontiac GTO – 2006 HUMMER H2, H3 – 2006 Saab 9-7X – with 4L60-E / 4L65-E / 4L70-E (RPOs M30, M32, M70) Automatic Transmission
Problem – Drivers may experience an unusually harsh 1-2 shift with a P0894 DTC
Solution – Replace the TCC enable solenoid and/or wiring harness

TSB 08-07-30-008B – Diagnostic information for P0894 and P1870 DTC – 4L60E Transmission | 4L65 Transmission | 4L70E Transmission
2003-2007 GM Passenger Cars and Light Duty Trucks – 2003-2007 HUMMER H2 – 2006-2007 HUMMER H3 – 2005-2007 Saab 9-7X – with 4L60-E, 4L65-E or 4L70-E Automatic Transmission (RPOs M30, M32 or M70)
Problem – This relates to drivers who experience unusually harsh 1-2 shifts, along with a P0804 and/or a P1870 DTC.
Solution – It is possible that a leaking TCC solenoid, a torque converter clutch valve or damaged turbine shaft O-ring seal could cause these two diagnostic trouble codes. However, it could also be caused by a failed torque converter.

TSB PIP4051C – Harsh Shifting – Chevrolet Tahoe 4L60E
Problem – Unusually harsh gear changes, combined with a P0717 DTC for an input shaft speed sensor error, are often caused by damage to the ISS sensor wiring.
Solution – If wire damage is found (usually to the white wire), the wiring and sensor will have to be replaced. The pump cover should also be examined for sharp points/edges that could damage the wiring. If any are found, they should be smoothed with a file.

TSB PI488C – No forward or reverse and/or slipping – 6L80 Transmission | 6L90 Transmission
2010 – 2014 Cadillac CTS-V – 2010 – 2014 Cadillac Escalade (all models) – 2010 – 2013 Chevrolet Avalanche – 2010 – 2014 Chevrolet Camaro – 2010 – 2014 Chevrolet Corvette – 2010 – 2014 Chevrolet Express – 2010 – 2014 Chevrolet Silverado – 2010 – 2014 Chevrolet Suburban – 2010 – 2014 Chevrolet Tahoe – 2011 – 2014 Chevrolet Caprice PPV – 2014 Chevrolet SS – 2010 – 2014 GMC Savana – 2010 – 2014 GMC Sierra – 2010 – 2014 GMC Yukon – 2010 – 2014 GMC Yukon XL – 2010 – 2014 GMC Yukon Denali
Problem – Trucks equipped with the 6-speed 6L80 or 6L90 transmission may experience no forward or reverse engagement, or slipping between the gears.
Solution – This problem could be caused by a cracked or split transmission filter. If this is the case, the transmission pump should be disassembled and inspected for possible damage. Inspect for any of the following conditions: – scored pump rotor or pump vanes – scored pump cover or pump rotor pocket – cracked pump slide.

The transmission should also be evaluated for any possible distress to the clutches. GM’s testing and analysis found that split or damaged filters may be caused by a damaged transmission pump. This can send a high pressure fluid spike down the filter neck on a cold start, resulting in the filter body cracking or the filter seam splitting. The filter is not defective and this is not a filter quality issue. Important: Do not replace the filter without inspecting the pump. Failure to inspect the pump and clutches could lead to a repeat of this condition.

TSB 09-07-30-004J – Slips in Reverse or Third, Delayed Reverse or Drive Engagement, DTC P0776, P2715, P2723, Harsh 2-3 Shifts – 6L80 Transmission | 6L90 Transmission
2006-2009 Cadillac STS-V – 2006-2009 Cadillac XLR – 2006-2009 Cadillac XLR-V – 2007-2008 Cadillac Escalade, Escalade ESV, Escalade EXT – 2006-2009 Chevrolet Corvette – 2007-2008 Chevrolet Silverado – 2008 Chevrolet Suburban – 2007-2008 GMC Sierra – 2007-2008 GMC Sierra Denali – 2007-2008 GMC Yukon Denali – 2007-2008 GMC Yukon XL Denali – 2008 GMC Yukon XL – 2008-2009 HUMMER H2 – 2008-2009 Pontiac G8
Problem – Vehicles equipped with the 6L80 or 6L90 transmission may slip when Reverse is selected or have no/delayed reverse engagement, harsh shifts from 2-3 / 4-5 or slips while in fifth, and slipping acceleration when passing. Possible DTCs include P0776, P2715 or P2723.
Solution – This transmission problem may be caused by a cracked 1-2-3-4 / 3-5-R clutch housing.

PIP5071 – Squawking noise on the 2-3 shift
Problem – An unusual squawking or groaning noise may be heard on the upshift from 2nd to 3rd gear.
Solution – The 3-4 friction and steel plates, clutch plate, apply plate, and selective backing plates will have to be replaced.

TSB 16-NA-014 – Delayed engagement after sitting with the engine off – Chevrolet Tahoe 8L90
Problem – Drivers may experience a pronounced delay in forward or reverse gear engagement after shifting from Park. This condition typically occurs when the vehicle has been sitting for several hours with the engine off (like overnight).
Solution – In order to correct this common 8L90 transmission problem, a new stator shaft support assembly will have to be installed.

PIP5437A – Harsh shifts – Chevrolet Tahoe 8L90
Problem – One of the more common 8L90 transmission problems is excessively hard or abrupt gear changes.
Solution – The TCM may need to be recalibrated with the latest control software. It could also be caused by one or more of the clutch fill times not being learned by the TCM. In which case, the Service Fast Learn (SFL) procedure will have to be performed.

PIP5437B – Harsh shifts – 8L45 Transmission | 8L90 Transmission
2016 – 2017 Cadillac ATS – 2016 – 2017 Cadillac CT5 – 2016 – 2017 Cadillac CT6 – 2015 – 2017 Cadillac Escalade – 2016 – 2017 Chevrolet Camaro – 2017 Chevrolet Colorado – 2015 – 2017 Chevrolet Corvette – 2017 Chevrolet Express – 2015 – 2017 Chevrolet Silverado – 2017 GMC Canyon – 2017 GMC Savana – 2015 – 2017 GMC Sierra – 2015 – 2017 GMC Yukon Denali
Problem – One of the more common 8L90 transmission problems is excessively hard or abrupt gear changes.
Solution – The TCM may need to be recalibrated with the latest control software. It could also be caused by one or more of the clutch fill times not being learned by the TCM. In which case, the Service Fast Learn (SFL) procedure will have to be performed. Should the problems persist, the valve body will need to be replaced.

TSB 16-NA-404 – Erratic shifting behavior – Chevrolet Tahoe 8L90
Problem – Drivers may experience harsh shifts, delayed shifts, unexpected downshift, stuck in a gear and/or hesitation to shift. The following DTC codes may also be set: P0747, P0777, P0797, P2715, P2724.
Solution – These problems may be caused by a programming error in the TCM, which will require a software update.

Common Problems with the GMC Yukon Transmission

Lack of Response
Leaking Fluid
Low Fluid
Burning Smell
Grinding or Shaking
Whining, Clunking or Humming
Refuses to Go Into Gear
Torque Converter Issues
Valve Body Issues
Transmission Noisy in Neutral
Gears Slipping
No 3rd or 4th Gear
No 1st or 2nd Gear
No Reverse
Dragging Clutch
Trouble Codes / Check Engine Light

Can I drive with a transmission problem?

If your GMC Yukon can still make it up and down the road, you might say “It’s fine, I’ll just drive it until I can get it fixed”. But that is not always a good idea, depending on the symptoms. You see, there are a lot of (very expensive) moving parts inside of a transmission, and if something isn’t right, continuing to drive with a transmission problem could damage something else.

How often does a GMC Yukon transmission need to be replaced?

The overall lifespan of a GMC Yukon transmission largely depends on how well it was maintained. Factory design flaws also factor into this equation, along with how/how hard you drive. But on average, we’ve seen the GMC Yukon transmission last for between 130,000-180,000 miles. A high quality replacement transmission however, can last considerably longer if all of the factory design flaws have been addressed and the vehicle has been maintained.

How are GMC Yukon transmission issues diagnosed?

It is fairly easy to guesstimate what the root cause of your GMC Yukon transmission problems might be, but you won’t truly know unless you have the right tools and experience. A good mechanic or transmission repair center will be able to connect your truck to a computer and find out which diagnostic trouble codes (DTC’s) have been stored. Once they know what to look for, they can perform a visual inspection to verify the problem.

How is a GMC Yukon transmission replaced?

In order to replace your GMC Yukon transmission, the truck has to be lifted from the ground in order to gain access to all of the parts that will need to be unbolted. Then the transmission can be lowered to the ground (typically with a transmission jack), so the new transmission can be installed. Once it is in place, for the 6L80, the vehicle PCM will have to be reprogrammed / reflashed to accept the new transmission using the latest GM subscription.

Recommendations for GMC Yukon transmission issues?

To save time and get back on the road faster, have your 17-digit truck VIN# handy and you can get an online quote for a reman GMC Yukon transmission here, then find a local shop using our Find a Shop guide to install it for you.

How to Solve GMC Yukon Transmission Problems

Solution A: Buy a Used GMC Yukon Transmission

The quickest way to fix your transmission problems is to simply buy a used transmission or used transmission. These can be found at most junk yards, and they often come with a 30-90 day warranty. However, there’s no way to determine the actual condition of the internal components, so you could be spending a bunch of money to have the exact same problems. Plus, that warranty only covers the transmission if it’s defective, not the labor costs that you’ll have to pay.

Solution B: Buy a Rebuilt GMC Yukon Transmission

Another option would be a rebuilt transmission or rebuilt transmission. A local repair shop will remove your transmission, then install a bunch of new parts during the rebuild. The problem here is, the skills and experience of each transmission rebuilder will vary widely from shop to shop, so you could have problems from something that wasn’t adjusted properly. And the 1-2 year warranty might only cover you at certain transmission repair shops, in a specific geographical area.

Solution C: Buy a Remanufactured GMC Yukon Transmission

Many owners depend on their vehicle to commute and get things done. Their gasoline engines are designed to go 100’s of thousands of miles, so it makes sense to invest in a remanufactured transmission.

Need a replacement transmission? Get an estimate for replacement transmissions and local installation. Look up your transmission model by vehicle make and model.

What Transmission Do I Have?

What Problem Does Your GMC Yukon Have?

Let us know the year, mileage and problem you’re having as well as any trouble (OBD) codes you’ve found. If you’ve been given a quote or paid for a repair, we’d like to hear about that too!

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Kevin Himebaugh
28 days ago

I’m having trouble with 2nd gear. So first gear goes fine when it’s in 2nd it looses power until it can shift into 3rd. The check engine light is on and it’s a 5.3Liter YGMXTO5. 3182 OR YGMXE0111920 WHAT IS THE CHEAPEST way to fix this myself?

Hector Solis
1 month ago

No park, 3rd or 4th year…

Richard Alan Lawson
1 month ago

Not shifting into manual. Hard down shifting in tow mode.

Mike Waxman
3 months ago

Lost power in all gears showed coed transmission fluid pressure

Anonymous
4 months ago

Just put 4000 down on a GMC Yukon 2007 it has 168000 miles
I drove the Yukon to Cali for a week right after I bought the vehicle as soon as I got back the abs light went off an the traction control light as well .a day later I’m driving home from work and the gears seem to be dragging and changing oddly so I pull over an look under the truck an it is covered in tranny fluid! Further inspection revealed the servo cap had some how cocked sideways and blew all my fluid out ! I changed the servo with a corvette servo and refilled the fluid and now I only have first second and reverse .I cleared t.a.p and fixed the abs but the trans still isn’t acting right !I don’t think it’s a transmission problem I think it maybe something else

David
4 months ago

Replaced tranny and. Installed new used transmission and it wont move in any gear any ideas what I missed?

Michelle Williams-Pool
4 months ago

My car is a 2007 Yukon Denali AWD I was driving and all of a sudden I heard a horrible noise then my car wouldn’t accelerate and made even worse noises unless I turned it off it started just fine but when I put it in gear it started again

Last edited 4 months ago by Michelle Williams-Pool
Juan romero
4 months ago

Replaced valve body and problem remains code 776 2175 reads service traction control service stability track check engine light is on

Juan romero
4 months ago

Will not shift gears after30mph goes in to neutral if I go over 30 mph and won’t engage in to gear until slows down to 30mph codes are 2175 776 I already changed valve body and problem remains

Shawna messina
4 months ago

Harsh shifting between 1-2 gear 07 gmc Yukon xl

Anonymous
6 months ago

When it’s in drive going down the road it a quiver every now and then and then come back quiver back with her back

Linda
7 months ago

It want go in reverse

Candace
7 months ago

I have a 2004 GMC Yukon Denali and it will not switch into 3rd gear. Once it hits 35 mph my rpm’s shoot all the way up. There has never been a check engine light on nor is it throwing any codes. Any idea of what it could be? It has 320,000 miles

Last edited 7 months ago by Candace
CRYSTAL KENT
7 months ago
Reply to  Candace

Did u get an answer? I’m having a very similar problem.

Kevin Fox
8 months ago

2008 Yukon Denali 6.2 AWD At 1800-2000 rpms in whatever gear it’s in I get a vibration that reminds me of a universal joint. But they are new someone told me there was a tab for this that the TCM needs reprogrammed

Last edited 8 months ago by Kevin Fox
Heather
9 months ago

My transmission suddenly started skipping and within an hour would not go out if first gear. After cutting it off for a few hours it would drive just fine then later quit going again. When we reset computer with the scanner it will drive for a few miles then stop changing gears again.

Steven
9 months ago

03Yukon has 220000. Don’t know the history of the vehicle . 2nd to 3rd gear revs up then shifts but if you shift it manually it doesn’t do that any ideas

Anonymous
5 months ago
Reply to  Steven

gotta rev up to 3500 and let off a tad before it shifts in 2 and 3 gear and sometimes my dash board lights flash

Anonymous
5 months ago
Reply to  Steven

Did you ever find out what the problem was

John Anderson
9 months ago

I’ve lost Drive in second gear third gear in first it’s it gear and reverse are fine it’s a 2004 Yukon four-wheel drive

Tim
9 months ago

My 07 Yukon started slipping, 105000 miles. So I changed the filter and fluid. Worked good shifting all gears for a week then started to slip and left me at a red light not grabbing any gears…only reverse . Drove it home 3miles in reverse. Still goes in reverse everytime, but nothing in drive,3,2,1 gears.

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