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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCH1999 996 Limited Slip Witout Traction Control?
Leading reported evidence
Install aerokit cup
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that performed work without a confirmed outcome
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Leading evidence: 'Install aerokit cup' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check box' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
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Performed · outcome unconfirmed
It has been used on every model Porsche for years.
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Suggestion
One easy way to get TC without LSD was to check the box for tiptronic.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Suggestion
I talked to a dealer who advised that LSD is VERY rare and the only way to confirm is to run the VIN on the Porsche computer and it will print every option.
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Suggestion
I talked to a dealer who advised that LSD is VERY rare and the only way to confirm is to run the VIN on the Porsche computer and it will print every option.
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Suggestion
Now,, disclaimer, the OBD standard requires a minimum set of codes, Porsche uses MANY more than required, which is why to do a lot you often need a bit fancier code scanner.
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58 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261027T035758Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Did any of the 1999 996's come equipped with limited slip but not traction control or vise versa? I have seen some 1999 996�s on the net that don�t have the traction control button but I was wondering if they could still have limited slip?
Bruce, my search said that traction control was available in the 1999 but not PSM. I want to know if you could get limited slip without it or did it always come as a package.
When you said "limited slip", I assumed you were referring to the limited slip differential. As far as TC and PSM are concerned, 'fraid I don't know the answer to that one.
Nah...if I was going to be mean....I would have posted this
Lately - the only way to get a point across is be blatant about it. My apologies if it came across that way.
C.
Correct.....they came as a package noted in the option list as 220 and 222. I've never seen one without the other. Insofar as your option codes go...you should be able to give Loren your VIN number and he has access to a database that he can tell you what options came with that car......at least I think that's what he does.....give Loren a PM.
Thanks to every one who tried to help! I'm starting my search for a 1999 track car and this will help when looking at them. I want a car with a limited slip diff. It would be easy to dismiss a car that I see online that does not have the traction control button.
Let me redeem myself:
There's a sticker under the trunk lid with the codes and VIN printed on it. An exact duplicate of this sticker is in your service book, if the one on the car is missing.
Well, just to add my 2 cents, it is possible to have traction control [traction control system] and ABD [ automatic limited slip differential] (options 222, 224) without LSD [locking differential 40%] (option 220). Ask me how I know
?
Safest bet if looking for a car with LSD is not to look at the buttons but to examine the sticker.
Well, just to add my 2 cents, it is possible to have traction control [traction control system] and ABD [ automatic limited slip differential] (options 222, 224) without LSD [locking differential 40%] (option 220). Ask me how I know?
I think we were all refering to the 99 C2 "sports car" and not the TIP.
Well, apparently some people don't like to be wrong. But whatever, my post was to assist the OP, so you guys can kiss my TIP driving 996 and BOXSTER owning a$$.
I've got the 220, 222, 224 option code on a '99 and I assumed I had LSD. BUT.. I talked to a dealer who advised that LSD is VERY rare and the only way to confirm is to run the VIN on the Porsche computer and it will print every option. It didn't print LSD. He told me that the common 220 code is an old recycled LSD code.
I am not sure who your dealer is, but the 220 code is not a "recycled" code designation. It has been used on every model Porsche for years. If your car is correct, you may very well have the same list as mine. Here are my codes along with the factory definition:
09991 EXCLUSIVE OPTIONS (manufactured from the exclusive-program)
CO2 - CATALYTIC CONVERTER
XAA - FACTORY INSTALLED AEROKIT CUP
XRL - 18" SPORTDESIGN WHEEL
220 - LOCKING DIFFERENTIAL 40 %
222 - TRACTION CONTROL SYSTEM
224 - AUTOMATIC LIMITED SLIP DIFFERENTIAL
236 - 18" TIRES
375 - SPORTSEAT, BACKREST SHELL, LEFT
378 - COMBINATION SEAT, RIGHT, ADJUSTABLE
424 - CD COMPARTMENT
436 - 3-SPOKE AIRBAG STEERING WHEEL
652 - DELETE SUNROOF
983 - SEAT COVERS FRONT, LEATHER
Be happy, you have a rare ride.
Chad
I've got a printout directly from the computer at the dealer and it doesn't have the LSD listed on the options at all. It has all the options and prices next to them. It shows the original dealer, warranty date, order number, and all the details.... I'd like to believe I've got the 220 code like it says under the hood... so can someone else try this?? And Chad I love your car.. mine's identical except with sunroof.
Call Porsche customer service. They can run the vin and look up EXACTLY what the car was built with.
I have done this on many occasions with various cars. They are very helpful.
C.
Don't jump to a quick conclusion. In this case, I would rely more on the sticker than the dealer. Measure twice and cut once. Call Porsche directly.
C.
What if it was not an original hood.... so the option sticker would not match a VIN lookup? Just a possibility.
Thankfully, mine has the TC and LSD and even verified from Porsche NA. So, how rare is this on a 1999 996 anyways?
David
Just came across this thread, as I recently realized this was an extra bonus with mine.
'99 C2 Coupe manual.
Haven't called Porsche, but I've got the codes underhood.
220 - LOCKING DIFFERENTIAL 40 %
222 - TRACTION CONTROL SYSTEM
224 - AUTOMATIC LIMITED SLIP DIFFERENTIAL
But instead of calling Porsche, isn't there some way to manually test this...like doing donuts in my local mega-church parking lot?
(edit: referring to this classic "test" video, in case you've never seen a hot Bug before)
http://www.youtube.com/watch?v=ZvP9Pe0a9DY
I had this conversation with my dealer and they held the opinion that there are some unreliable option stickers. They had commented that my option sticker and the car did not match and that I had more factory options than were listed on the sticker and some options that were on the sticker, but not on the car.
I asked if it was possible to have things corrected on the computer and they said not - apparently Porsche doesn't like to admit their mistakes once the car leaves the factory.
...consequently when you run my VIN number it pulls up a different interior color than is actually in the car and results in the wrong part being ordered.
Thanksfully not that bad, but the computer says that my interior is grey and it's actually black.
It's not funny when you spend 3 days waiting for a part, then find out that they sent the wrong color.
I used to be able to test if a Honda had an LSD by hoisting the car in the air and spinning a drive wheel by hand in a certain direction. If the other drive wheel spins in the opposite direction, it had an LSD. Would this be the same for a Porsche?
A 99 that I am looking at does not have code 220 (so did Porsche just decide to sneak in a part?) but has TC button. (It is also missing the option sticker)
I am old enough not to believe something until proven. In this same topic there are people with TC code but not the 220-LSD code.
Since the way a TC works is not dependent from the presence of an LSD I'd like to know where does this "HAS TC SO IT HAS LSD" idea comes from.
My 99 is a low option car, but it did come with "Sport Chassis" on the window sticker. The sticker under the hood shows 014 (sports option package), which includes 030, 220, 375, and 376. The sticker also includes 222 and 224. The only other options are 424 and 688 for the CD radio and 983 for leather front seats. Eric
I had an aftermarket Torque Bias Diff in my 99 C2. It doesnt have Traction control or a factory LSD. I have to admit the car drives very well and is very fun.
I know everyone complains about reviving old threads but they also complain when you start a new one with the same topic so no idea what im supposed to do so anyway reading through these comments I'm still none the wiser. I have an early cable car carrera. With no traction control button or option code for it, I can easily do burnouts, dump the clutch so I assume this is a no tc car. However I'm unsure about lsd because I have seen on here that lsd was always paired with tc, and you would have an option code for lsd. I do not However with the wheels off the ground you can only spin one wheel for half a turn before the other starts turning, and if you spin one, one way and try to spin the other wheel the opposite way it catches and turns the opposite wheel the same direction. Also my rubber marks are from both tires not one. So I'm pretty sure I have lsd with no tc and also don't have those options on my sticker. To add I also have alot of small things in my car that has option codes for them on the master 996 option code list but once again even though I have them they aren't listed as options on my sticker. Example rear leather seats, rear seat belts. Things like that, that although seem to be pretty standard equipment they have option codes for those items on the complete code list. Can someone explain what the difference is between the locking differential code vs lsd codes even though I don't have either listed on my cars sticker I'm still trying to learn what they are to maybe understand what's listed on stickers, what might of been considered standard equipment why some things have option codes but doesn't get listed on stickers. My cars a manual 6 speed. Also trying to determine what the obd delete was and confirm that I don't have it and how to tell. I have read the obd cable cars have 4 levers on the column or something like that. I do not I read that even though tbey dont physicaly have a visual obd selector/lever, ic or something that they all have obd ports and dtc/canbus like other 996s. Can anyone confirm what obd looked like on a 98/99 car or confirm any of that info to straiten me out. Thanks.
Just thinking back over the old days, with other first gen Porsche models, often the first year was kinda the Wild West, you could line item order especially if you did Euro delivery..
For instance, in 1969 you could order a bunch of different gear combinations in the 5 speed. A bunch, like each gear had a optional ratio. You had to be "connected" but it was a thing..
On the OBD there are two different things, OBD (The emissions monitor port that everything after 2006 has) or the OBC which is the dash display onboard computer.
The OBC has a lever to the lower left below signal lever, for scrolling through the menus, selecting stuff. The 2 items are not really related. Even the cable throttle cars have OBDII.
Now,, disclaimer, the OBD standard requires a minimum set of codes, Porsche uses MANY more than required, which is why to do a lot you often need a bit fancier code scanner. (PWIS or Durametric)
Well that makes more sense lmao OBC not OBD 🤣 well I don't have OBC in my car so I didn't know what it was. But definitely heard OBD instead of C at some point and kept calling it that lol. Thank you for setting me strait on that lol
No worries, I never understood why the OBC was an "option" when you had all the stuff there and it can be added by swapping the steering columns parts for the controls.. + all the oddities between drive by cable and drive by wire..
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