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Holy Crap you guys.....sneaky ECU reset WORKS!!!

 
Old 05-18-2006, 07:42 PM
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Ohhh mamma!

My name is Matt and I too am a ECU resetaholic.

Any brains out there happen to know of any downside / cons to performing this reset. Will the dealership computers see these resets and cause any probs.?

THX Jakpro1
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Old 05-21-2006, 08:49 AM
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Originally Posted by cntlaw
Two little observations after reset , may or may not be caused by the reset, would like you guys to check if yours are still normal.

1. Bi-xenon auto levelling seems working funny or not working at all, one (or both ) of the headlamp light beam seems not pointing far enough.

2. The steering wheel seems not returning to the memorized location after door closed.

Thanks
Can anyone comfirm that the reset affects other preset functions, such as the the memory seats/mirrors, or the Bi-xenon lights?

Is there any other function that's affected (turned off) by this reset other than the ECU?
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Old 05-21-2006, 11:27 AM
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Finally did the reset. Things seemed much faster, perhaps it was just the shifting aa I was barking 2nd gear in the PS2s. After 90 miles of driving the car got sloppy again so I had to do the reset AGAIN.

Already a reset junkie. LOL.
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Old 05-21-2006, 09:49 PM
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.............take this for whatever it is worth. I did the reset to my G55 K4 today and it felt slower after the reset. Don't know what it means. Maybe I already drove the car like bat out of hell and the reset made it slower. Go figure.

Ted

Last edited by Ted Baldwin; 05-21-2006 at 09:53 PM.
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Old 05-21-2006, 10:44 PM
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Yesterday I was forced to perform the ECU reset to my Black E55... I went out late the night before and was somewhat wasted when I came home... Only to found out that I left the lights on over night and drained my battery completely... I called Roadside Assistance and they came w/in 30 minutes to fix me up, however, lots of functions did NOT work including the PANO roof & dynamic seat... I drove the car around for about 1hr and decided to try the ECU trick, magically, it fixed my roof problem and everything appears to be in orders. This trick is really handy...
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Old 05-24-2006, 03:13 AM
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My reset was done 2 weeks ago. Today, I felt that the car seems to be back to the "old days". So, I am planning to reset it again.

Questions for those you have done more than one resets and also had experienced some other features statues were also being reset.

1. Does the same feature got accidentally reset will also get reset again at 2nd time of a reset?

2. Or does any 'new' features got accidentally reset at a 2nd ECU reset?

tks
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Old 05-24-2006, 04:17 AM
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1992 400E (86 300E, 98 S420) - Retired
Originally Posted by zoink
So you are the inventor, huh?

It seems to work w/ my Maxima... and I don't think my 4th gen maxima is drive by wire....

The VQ engine is drive by wire
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Old 06-08-2006, 09:20 AM
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Can Someone Confirm This?

"what your also forgetting is that there is more to this. if you dont do this other step, your at risk of harming your transmission/ecu. after you reset your ecu, your supposed to drive your car in 1st gear and slowly redline it and then shift to 2nd where you redline it almost to the point of shifting to 3rd gear but then you let it deccelerate on its own all the way back to a stop going through both 2nd and 1st whilst deccelerating. after you come to a halt, drive your car normally to your desired parking spot and let the car sit for a few hours. after waiting a few hours, you are now ok to drive as you wish. i know this because i have talked to mb techs about it at my dealership. i dont understand how you guys did not know this. this goes along for the e55 guys, just to lazy to say something"

P.S. a member wrote this in the CLS 55 forums...under "Eletronic features"

Last edited by Bipasha493; 06-08-2006 at 09:41 AM.
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Old 06-08-2006, 09:33 AM
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Originally Posted by Bipasha493
"what your also forgetting is that there is more to this. if you dont do this other step, your at risk of harming your transmission/ecu. after you reset your ecu, your supposed to drive your car in 1st gear and slowly redline it and then shift to 2nd where you redline it almost to the point of shifting to 3rd gear but then you let it deccelerate on its own all the way back to a stop going through both 2nd and 1st whilst deccelerating. after you come to a halt, drive your car normally to your desired parking spot and let the car sit for a few hours. after waiting a few hours, you are now ok to drive as you wish. i know this because i have talked to mb techs about it at my dealership. i dont understand how you guys did not know this. this goes along for the e55 guys, just to lazy to say something"

P.S. a member wrote this in the CLS 55 forums.
That smells of massive b.s.
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Old 06-08-2006, 09:36 AM
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CLS 55 AMG
wait a few hours?????? hmmm......
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Old 06-08-2006, 09:56 AM
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No longer stock '06 E55, A3 3.2 Quattro, LRD4 HSE, R107 280SL
I think this whole milarky has more than a whif of placebo ...

Adaptive trannies are rolling memories ... i.e. if you drove it long enuf on a track it would adapt to that etc...

Resetting just clears the buffer ... and you use the basic program of the tranny. On my car I could not tell any difference really - thought shifts were maybe more harsh than before ... but feels fine now. Dont think I will try it agn.

Last edited by stevebez; 06-08-2006 at 10:00 AM.
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Old 06-08-2006, 10:14 AM
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it definately makes a difference if you drive the car in traffic daily to get to work. Stevebez - you just motivated me to reset mine this morning!!! : )
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Old 06-08-2006, 11:33 AM
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No longer stock '06 E55, A3 3.2 Quattro, LRD4 HSE, R107 280SL
Cool ... but not sure how I did that !
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Old 06-08-2006, 02:31 PM
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Originally Posted by regor60
That smells of massive b.s.
ditto!
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Old 08-31-2006, 06:00 PM
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Quick question for you guys.... A Benz tech friend changed my octane setting to "93"... Will this ECU resetting procedure change that as well?
Eric....
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Old 09-01-2006, 09:33 AM
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Your worst nightmare...
Originally Posted by EKaru
Quick question for you guys.... A Benz tech friend changed my octane setting to "93"... Will this ECU resetting procedure change that as well?
Eric....
I don't think it will, as it will not change the fuel mapping. From my understanding this will just erase the tranny driving habits that your car has, I have the 93 setting as well and will try the ECU resetting this weekend, That is my opinion.
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Old 09-01-2006, 10:31 AM
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Do you guys notice a difference with the "93" octane setting?
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Old 09-01-2006, 10:35 AM
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Your worst nightmare...
Originally Posted by BenzoBoi
Do you guys notice a difference with the "93" octane setting?
yes i did, car runs much stronger pulls harder, so does on your wallet, lol! Drinks the gas if you stomp on it.
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Old 09-01-2006, 10:36 AM
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wow thanks for the quick reply...LOL

Anyone in la know someone that could do this for me?

*EDIT* Nevermind...California only has cheap azz 91... *EDIT*

Last edited by BenzoBoi; 09-01-2006 at 10:38 AM.
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Old 09-01-2006, 10:41 AM
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2003 E55 & 2014 GL550
Quote:
Originally Posted by regor60
That smells of massive b.s.

ditto!
No No promise...no BS. I think someone above nailed it. It really just resets tranny shifting patterns. I don't think it really is giving you more hp, but I am telling you the car feels different after you do it. AGAIN, if your tranny is already setup aggresive, you won't feel much, but if it is setup kinda whimpy (stop and go traffic etc) , then you'll feel a big diff upon stomping it.

We'll know about hp in a week as I am putting the car with cams (hopefully) up on dyno. I'll do first run as is....then reset ECU and let's see what happens. I assume nothing hp wise, but we'll see.
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Old 09-01-2006, 12:36 PM
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Originally Posted by JodyE55Rocket
I don't think it will, as it will not change the fuel mapping. From my understanding this will just erase the tranny driving habits that your car has, I have the 93 setting as well and will try the ECU resetting this weekend, That is my opinion.

Thanks for the tip, I appreciate it....
oh yeah as far as the octane setting.... In addition to pulling harder, it's also runs much smoother as well, which is why I don't want to mess with it... If it's a full ECU reset, then it would seem all the settings would be resetted, including the octane setting (which is progammed into the ECU)
Eric...
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Old 09-01-2006, 01:15 PM
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Originally Posted by EKaru
Thanks for the tip, I appreciate it....
oh yeah as far as the octane setting.... In addition to pulling harder, it's also runs much smoother as well, which is why I don't want to mess with it... If it's a full ECU reset, then it would seem all the settings would be resetted, including the octane setting (which is progammed into the ECU)
Eric...
so... for those of us in ca, if you set it to 93, would it just retard the timing back to 91? or would there be a benefit or disadvantage from changing the octane rating in the ecu?
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Old 09-01-2006, 03:19 PM
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Originally Posted by Dogshine
so... for those of us in ca, if you set it to 93, would it just retard the timing back to 91? or would there be a benefit or disadvantage from changing the octane rating in the ecu?

There are 4 options when it comes to changing the octane setting... 87, 89, 93, and auto.. The factory default is Auto, however if you're using fuel at one particular octane rating, there's more precision as far as timing is concerned if you specified to that particular octane setting... I'd just leave the octane setting untouched if only 91 was available...
Eric...

Last edited by EKaru; 09-01-2006 at 03:23 PM.
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Old 09-07-2006, 02:52 PM
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Hate to add fuel to this fire (whether it works or not) but check this out.

So I am on the dyno using their 1/4 mile feature and the car turns 2 11.2sec runs pretty much back to back. I ask them to hang on one sec and did the famous Sneaky tranny reset, and after a minute or so....WHAMMO, car pulled 11flat. (the feature is just for fun, but that was pretty dramatic) Remember, this is the with car piping hot on the dyno.

The Sneaky ECU reset.....(Twilight Zone Music), the mystery continues.
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Old 09-10-2006, 09:41 AM
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Reset windows and power steering after this ECU reset

Originally Posted by cntlaw View Post
Two little observations after reset , may or may not be caused by the reset, would like you guys to check if yours are still normal.

1. Bi-xenon auto levelling seems working funny or not working at all, one (or both ) of the headlamp light beam seems not pointing far enough.

2. The steering wheel seems not returning to the memorized location after door closed.

Thanks
After the reset, I'd roll the windows all the way down and then all the way up at the same time in order to resyche them. Then, turn the steeering wheel all the way to the left, then all the way to right, and then back to center. A MB tech told me to do this anytime the battery had been disconnected, so I think it makes sense to do it after this reset just in case.
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