ZF6HP26, Park Solenoid Codes 

It's always nice when you already have a suspicion of what the problem may be before going into a repair and able to confirm quickly. A good straight forward job is also quite nice.

Great video I think this might be my problem. I changed the plastic gear to a metal one. now I get the 51ad and 507d code? wont go over 40 mph. i think its in safe/limp mode. 750li e66.

Gary great video. Can you please move to Boston we need you here.

Gary you are the man, thank you for the videos, very helpful

Gary, you are a master of your craft. Thanks for sharing!

Thanks Gary, I’ve a DB9 that has a problem going into park sometimes and I suspect it may be a cable adjustment problem so your video will help me I hope. Cheers. Paul

Bonjour Gary, j'ai acheté une 535d LCI de 2009 et j'ai fait une vidange de boite en préventif. Aucun problème avant ça. Depuis que j'ai vidangé, à chaud la boite se met en sécurité avec code 4F85 et 4F95. Avez-vous une idée ? Merci vous êtes un vrai pro.

Hey Gary! I see you responded to comments a month ago, so hopefully you'll see this! I just did some maintenance to our 2008 528i after getting some transmission errors, I can't remember the initial codes but it one mentioned pressure and one mentioned a solenoid. I replaced the transmission solenoids, the mechatronic sleeves, the bridge adapter, the pan/filter, and put new transmission fluid in it. It did great driving around town for a day or two, but I gave it a highway test drive and while I was coming of the exit ramp, I got a new transmission malfunction message. Had to get it towed home. I'm currently getting 4F81, 4F82, 4F85, as well as 507B, and 507D codes, Just like yours, with the same symptoms of when you shift it, it snaps right back to park. Is it possible that the bridge adapter that I just put in cracked? Any other potential culprits? The car drives absolutely great with 180k on it, I'm hoping I just goofed something up during reassembly. Thanks!

Another great video!

thanks Gary, my car now it's perfect, thanks to your videos and your advice ... you are number one

Thank you Gary Ferraro for your help, I have an automatic transmission bmw e60 ZF6hp21 I have diagnosed getting code 4E86 (present) and 5089 (not present) depending on your experience What is the problem? Thank you 4E86 : MV3 solenoide 5089 : the P / N cable does not match the gearbox position

Cheers Gary that’s what I picked up on and what I believe gets misaligned and tight on the Aston’s

Hi Gary, I have a 2008 Bmw 535xi with code 4F82 and car doesn’t reverse. Would you know that the problem could be? Thanks

Great videos! Hopefully, you can help me. I'm getting P0705 PRND low input code. ZF6hp26 2006 Range Rover HSE. I am having transmission Seals, filter and fluid changed next week. Do you think this will help clear the code? Do you think the TCM range sensor could be bad? Just got Rover and it's limping after 35 miles until I clear the code. All help is very much appreciated.

Gary I have ZF6HP26 on 09 Jag, I'm getting P2807-13 code pressure control solenoid G. could Low fluid be the issue or any hints...Thanks in advance. Valve body was rebuilt and replaced 3.5 years ago, not sure if Bridge seal was replaced.

I have a wierd one for you, I did the transmission fluid and filter replacement on a car that had broken transmission lines due to serpentine belt failure causing belt to cut the lines in half. I replaced the transmission cooler lines and at the same time I replaced the seals just as preventive maintenance. I did the fill procedure, did it on many 6hp19s in the past as well but this is my first Electronic shift car one. I got the car to drive and reverse fine, but as soon as i stop, it puts itself back into park. It also doesnt throw any codes which i find weird. Do you think one of the park solenoids failed and its causing this?

Is it not worth replacing the other 4 sleeve seals while you're there? great vid

When you remove and re-install the valve body are there any springs or check balls to worry about?

Mr Ferraro i have problem im hoping u can help my with, 07 750 6hp26 e shift, did fluid filter(pan) sleeve, seal kit, solenoid kit and sonnax vb kit and plate gasket, service (all zf parts) about 25-30k ago been fine until now. 4f81, 507c, so i changed it all again, with new solenoids (all zf parts) and reset gearbox adaption, at first car would clank and direction lights to left of RND would flash but no code set, seemed to do better if i let car warm up awhile but now it got worse and has set 4e89, this is whats on my scanner under tcm, egs, (clutch adapt deactivated - active), (converter lockup clutch open - active), (elec limp-home op, 2nd gear - active), deact relay(transistor)- not active, elec limp 1st and 3rd gear- not active. This is filling pressures after 4e89 set, clutch A (-170)mbar, clutch B (-34)mbar, clutch C (-74)mbar, clutch D (-30)mbar, clutch E (160)mbar, rapid fill time clutch A (0)ms. Before 4e89 set these were same except clutch C,D were (0)mbar. What does these mbar measurements mean? Do u have any answers with what info i have here? thanks, m.s.

Great video man👍..... is it ok to use valvoline max life full synthetic ATF in that transmission?

I'm not getting any codes but I'm getting a slight jump into every gear. Just noticeably enough to know somethings wrong. Is it possible its another seal somewhere?

I have a Jaguar s type r I'm replacing valve body seals bridge seal. I have to remove trans bracket to get to the plug . Question is do I need to brace transmission before removing the bracket ? Thanks

Hi Gary, can you make a video in winch you tear down an oil pan for ZF 6hp21/26 I'm curios what type of filter is inside.

Comme d'habitude parfait 👌. Merci Gary

Hi Gary I'm working on a 2010 Nissan Altima cvt unit everything seems ok inside but the complaint was that after driving for a while it wouldn't go over 40 mph. After couple intermittent problems finally a code came out, P0744 Would it be a valve body problem and if I can repair it or it has to be replace I read that if I replace it it has to be take it to the dealer for programming

Hey there Gary I was doing the same replaced bridge seal and I removed emergency realese lever to access. I accidentally shoved arm upwards as I was re-installing valve body. How do I bring that back down to aling?

Hey,Garry watched alot of your videos can't figure out.I have an 2008 528i problem is that in jumps back to park when I try to pu it in D.I have changed the oilpan and oil also all seals but same problem.When i press the release button on the selector it makes a weird noise.Also the data stream shows that sport position whennipress the park button to me is the selector that is bad want to hear your opinion.Very appreciated.

Thanks! My E65 730D from 2005 has the following problem: Every now and the the P-N-R-D display starts going on and off and the car jumps in and out of gears. Any idea what this could be? Been running in and out different car shops and even called ZF transmissions. No one has a clue...

Hi Gary, I thought you would have changed the 4 rubber tubes as a matter of course, do these not give much trouble? Thanks

11:25 Did you put the old oil back in, or did you use new oil?

Thank you Mr Gary, very helpful video and i leaned a lot info from this video!!!!!

Very nice repair video thanks Gary Ferraro

Hi Gary, was the emergency park release pulled before doing this procedure?

Hi Gary, great video. I appreciate any help. I've a BMW 335i 2007 with ZF6HP21 transmission, getting codes: 4F84 - Ratio monitoring clutch D. 4F91 - Ratio monitoring clutch A-D. Adaptation values, clutch-related: Rapid filling time, clutch D - 0.00 ms, Filling pressure, clutch D - 0.00 mbar. Performance variables, gearbox: Level to L1/L2/L4 pin - high, Level to L3 pin - low. I put it in D or R and doest'n works, the code 4F84 come back right after clearing it and the goes into limp mode. it's possible has problem with the bridge seal? What could it be?

Hi Gary! Would a broken bridge seal on an m-shift 6hp28 generate park/neutral switch codes, friction apply time range codes (A & D) and a gear 1 incorrect ratio code? In my case with the m-shift, I have park and any gear selector position beyond park is just neutral (no pressure). Could this indicate a broken pump as well? I just rebuilt my trans (incl new seals) and drove 1k miles then it decides to lose all mobility at 80mph on the freeway! Thanks!

Hi Gary, I have a 2003 BMW 7 Series E65. Drives perfect on cold start but when I drive it in traffic for around an hour it doesn't want to move out of first gear and throttle feels heavy. Do you think I have the same issue here i.e low pressure so the bridge seal and others need replacing? I checked the error codes on INPA and I get 51AE, 51AA and 51AC. Which are all electronic issues not related. Appreciate any help on this, you've been a great source of help this far, much appreciated and keep up the great work!

I think I have the same issue going on with my 2008 X5, cold start I can shift no problem into drive or reverse, but if car is hot, sometimes I can't set vehicle into park, or shift out of Park, then after restarting vehicle it would shift without any problem.. Any suggestions are appreciated, I changed Oil and Filter, with no luck

I have this same problem right now codes 00507B 004F97 and 004F81 planning to work on this within the next week.

5:55 Isn't it worth testing the valve body and the solenoids, as well as changing the 4 round seals too at the same time?

Hi Gary, questions regarding ZF6HP26. Getting codes P0829 3-4 shift and P0783 5-6 shift. The shift from 3-4 flares and the transmission doesn’t change gears. Previously had a few dead solenoids that were swapped, worked great for 6 months then new issues came up.

Thank you for this video, keep it up!!!!!

Hey Gary I have a 2004 Jaguar S-Type r. I believe with the ZF 6hp26 transmission. When taking it for a test drive the other day the transmission went into neutral at a high gear then back into gear. What could that be. And I appreciate the knowledge of give to us on RU-vid. Thank you

I just replaced all 7 solenoids and all sleeves and seals. I filled with fluid until it drips and tried to start car to heat up to finish filling fluid. Car won't start. Car won't shift into any other gear. Any idea where to start looking for a problem? 2011 BMW 335i

Hy Gary, I have a 6HP from a bmw 2013 x1, do you think i should change those seals just for preventive maintenance? Im changing oil and filter sooner so, might change the seals as well

Hi Gary - Your videos are very inspiring! After reading through most of the comments I see where some are using alternative fluid to ZF. I have looked at Mercon SP and Ravenol 6HP, much cheaper and seem to meet the same spec. Do you have an opinion about strictly using ZF or can you recommend an alternative brand? If you don't mind, one more question - I have 142k on my zf6 on a 2008 RR, it performs well enough ( other than 1-2 and 2-3 shifts have slight delay - no codes), so I was going to preemptively replace the solenoids, bridge seal, and tubes and update TCM software - just not sure if that is wise. I'm thinking of the old saying if it runs don't fix it. Any opinion would be greatly appreciated. Thanks - Michael

Gary, I have a 2008 Range Rover HSE. I am getting a P0657-00 error code that comes back right away after clearing it and then goes into limp home mode. Transmission was leaking fluid. I replaced the bridge seal and the four tube seals and the connector sleeve. Topped off the fluid and I'm still getting the code. The Range Rover SDD tool had me check the wiring from the transmission harness to the shift interlock solenoid and that was good. Solenoid is good, but it is not getting energized by the TCM. I can shift without pressing the brake. The Diags said that if the wiring and solenoid are good that the TCM is bad. Does this sound right? If so I am looking at getting a rebuilt valve body with TCM

Good afternoon Gary I have a bmw 2006 750 li had the same issue I changed valve body sealing sleeve and adapter plug new oil and transmission pan . Now I’m getting p320d code with a safety mode that doesn’t start engine and display arrows blinking Any idea what it could be. Thanks

Is there an updated bridge seal available for these transmission??

Hello guy i have a question? I have a 2007 335i sport package, my issue is when i'm city driving ( stop and go traffic) i get a thud from my transmission when down shifting from 5-4 the transmission light will come on ( limp mode). i pull over shut down and restart and the light goes away. this also happens on long drives ( over 45 mins of steady driving). same downshift 5-4.

If I have 3-4 shift problems as well as incorrect ratio in 5 and 6. What could it be?

Mutsubisi 1600motor automatic 1998 model selenoid problem code resset????

whats the possible issues with loss of all pressure for an LR3 2005 ZF6HP26A

Hello, Sorry to bother you, but I have a problem in my car 740i 2006 has the E shift when I start the car it jumps to Neutral and I can’t put it back to Park, scanned and got code 4E89 changed solenoids but still same problem

thanks for the vid gary i am confusing in 09g transmission the k1 clutch i dont know what clutch thickness should i get there is two in the market .059 or .067

How do I find which kit I need? I have a 15” audi b8.5 with a zf8

Great information. Thanks for sharing

SHOULD have changed the 4 tube seals aswell !

Gary, did you happen to need to reset all the codes or it just cleared on its own

Great video

i lost 1 gear in my x5 and have a falt on the dash what does it mean ? bad solenoid?

Doing this job on my 08 E60 528xi. The mechatronics unit looks almost the same. If you do all the work it takes to drop the mechatronics out of the box you should ABSOLUTELY REPLACE ALL THE SEALS while you're in there!! The 4 sleeves he left in are clearly flattened out. It only takes an extra 5 minutes or so to pull them out with needle nose pliers & push new ones in. They're inexpensive & it only makes good sense. Otherwise the video is on point.

you are the best

Hello are the 2011 535i good cars?

Thank you Gary, you help me saved a tons of money, You are the best man! 👍

Hi Gary! Please can u make video about refilling oil in gearbox.

My 6hp26 gos to neutral when I hit the park button 2003 745Li

Thanks

otimo trabalho parabens valton do brasil

To Leonardo tomassetti, I cannot find your post, you can e-mail me at gsferraro@yahoo.com Gary

Very good!

Muito bom o seu trabalho com transmissão automática

A good mechanic would have also changed the 4 valve body to case sleeve seals.

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55c3 error code bmw

Hi Gary, I have a 2008 Bmw 535xi with code 4F82 and car doesn’t reverse. Would you know that the problem could be? Thanks