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Old 01-10-2011, 03:14 PM   #1
MSMStannyl
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Default Ap-sub-003

Newbie Cobb AP question here:

Just purchased a used AP-SUB-003 from someone. I haven't recieved it yet but will have it shortly. Originally, after reading through lots of these threads, I started thinking the v1 or v2 had something to do with the firmware. However, the more I've been reading, the more it seems it's actually a change in the hardware. I have a 2011 WRX. Can anyone tell me if it's possible to get an older version unknowingly? Since I have a 2011 WRX, is getting an AP-SUB-003 all I need to worry about (meaning that it's automatically got to be a V2?).

Thanks!!
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Old 01-10-2011, 03:16 PM   #2
meccjoo
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i think the v3 is designated for the newer model imprezas. all that should really matter is if it is for your car. oh and i dont think a v2 would even work on your car.
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Old 01-10-2011, 03:23 PM   #3
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There's v1, which is the big bulky ones.


v2


v2b


AP-SUB-003 could be either v2 or v2b

Both will work on your 2011 WRX, as I understand it. Just make sure you have the latest firmware and download the maps from Cobb's website.
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Old 01-10-2011, 05:19 PM   #4
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Thanks for the info guys!

From the pics of the V2 and V2b, I can't really tell the difference. Again, I don't have it yet so all I know from the pic that the seller sent me is that it's definitely not a V1. It def looks like a V2 or V2b. He did, however, assure me that it's an AP-SUB-003. When I checked with Cobb tech support last week before purchasing it, this is what they said I needed to worry about. I believe they said the AP-SUB-003 will work on 2008+ WRX's (and STi's, etc.). I think that's where some of the confusion lies with me and other as well. I kept thinking that the model number, in my case the "...-003" part, stood for the Version number. With that thinking, a AP-SUB-003 would be a V3. An AP-SUB-002 would be a V2, etc. However, it would appear that that's not the case at all.

If anyone from Cobb can chime in on this it would be appreciated. I guess it's too late now since I already payed the guy and it's supposedly on it's way but hopefully knowing it's an AP-SUB-003 is all that matters.

Thanks everyone!
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Old 01-10-2011, 05:23 PM   #5
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The only difference between 2 and 2b is the accessport dongle. One is a single connector and wire permanently connected.

The other is 2 parts. I believe the only change as because there was more risk to breaking the adapter on version 2.

Outside of that, the functionality is the same.

I bought an AP-sub-003 v2b for my car. It was originally for an 08 wrx but with the latest firmware, it works for an STI as well. Just had to download the AP Manager, take the latest firmware, and download the maps specific to your car.
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Old 01-10-2011, 05:23 PM   #6
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Actually, let me ask one more question and this is more in regards to the different maps available:

My 2011 WRX is bone stock. Not a single thing done to it. I live in Baltimore, MD where we have 93 octane at every pump. I know there is a Cobb Stage 1 Base Map for a stock WRX running 93 octane. That's what I plan on using. However, I read another thread where someone with what sounded like basic or even no mods (I think he may have had the SPT cat-back but that's it) was having problems with this map in terms of overboosting. I believe his log data showed peak boost at like 17.9 psi!!! That's extremely high. Granted, I think this was an older WRX or STI (I think it was an 04 or 06) but is there a possibility that I could have the same problem? I would think if the map was tuned for a stock WRX, that's all that matters and it should work the same on every stock WRX. Maybe this was just an issue with that guy's AP or maybe he had other mods I didn't see. I just know he was running the base 93 octane map and pulling crazy boost. I'm definitely not trying to blow a new engine or turbo!

Thanks for the reassurances!
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Old 01-10-2011, 05:26 PM   #7
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They have Stage 1, Stage 1 LWG, and Stage 1 HWG.

http://www.accessecu.com/accessport/...S_WRXM_11.html

Stage1
93 Octane Stage1 for stock vehicles with stock or aftermarket cat-back exhaust, stock intake system and stock intake filter only. 93 octane fuel. +13.5% HP / +17.3% ft. lb. Boost Targets: ~16.5psi peak boost pressure tapering down to ~13.5psi by the 7000 RPM redline, +/- 0.8psi. 1.01
[download map]
[map notes]

Stage1
93 Octane LWG Lower wastegate duty cycle. Use if regular mapping produces higher than desired boost levels. Stage1 for stock vehicles with stock or aftermarket cat-back exhaust, stock intake system and stock intake filter only. 93 octane fuel. +13.5% HP / +17.3% ft. lb. Boost Targets: ~16.5psi peak boost pressure tapering down to ~13.5psi by the 7000 RPM redline, +/- 0.8psi. 1.01
[download map]
[map notes]

Stage1
93 Octane HWG Higher wastegate duty cycle. Use if regular mapping produces lower than desired boost levels. Stage1 for stock vehicles with stock or aftermarket cat-back exhaust, stock intake system and stock intake filter only. 93 octane fuel. +13.5% HP / +17.3% ft. lb. Boost Targets: ~16.5psi peak boost pressure tapering down to ~13.5psi by the 7000 RPM redline, +/- 0.8psi. 1.01
[download map]
[map notes]

Use whichever your car needs.
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Old 01-10-2011, 05:53 PM   #8
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Sorry, I'm confused. How do those 3 different maps all have the same horsepower and torque increases? I would think that regulating the wastegate would have effects on boost and power gains and yet all 3 show the same thing. Is that a typo or am I just missing something?

Again, sorry but yes I'm a newbie to Subaru as of 2 weeks ago!
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Old 01-10-2011, 06:06 PM   #9
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Quote:
Originally Posted by MSMStannyl View Post
Sorry, I'm confused. How do those 3 different maps all have the same horsepower and torque increases? I would think that regulating the wastegate would have effects on boost and power gains and yet all 3 show the same thing. Is that a typo or am I just missing something?

Again, sorry but yes I'm a newbie to Subaru as of 2 weeks ago!
As the maps states, they will all make the same hp/tq at the given boost setting of 16.5 psi.

If you're hitting 18 psi, you're making more power, but you're doing it on a map that wasn't tuned for that kind of pressure, so the LWG will put your boost back to the target range of 16.5 +- .08
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Old 01-12-2011, 01:36 PM   #10
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MSMStannyl,

The SUB-003 is only available as a single type of AccessPORT, the v2b. There may be some early v2 AccessPORTs out there still, but either one will work exactly the same way on your car. The only difference is the style of tuning cable that is used, but again this will not affect operation in any way at all. I believe someone said something about a v3 AccessPORT? This does not exist. We only have the one style of AccessPORT available.

As far as the mapping goes, the stage1 map for your car for 93 octane will be the one you want to use. As you noted, some users do experience boost control issues, but this is generally due to some other factor, a bone stock car should not overboost. However, these cars are notorious for having some boost control issues, but this normally only happens on modified vehicles with catless exhausts and intakes.

If boost control is a concern, we do offer LWG versions of our maps. This will limit boost in the mid-range where overboosting is common. They are basically just less aggressive versions of the normal or HWG maps.

Should you have any issues with your AccessPORT or the mapping, please do not hesitate to call us at 1-866-922-3059 and we are more than happy to assist you with any issues you may have. Enjoy your AccessPORT!

Travis
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Old 01-19-2011, 12:19 AM   #11
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Subaru Stars

I'm thinking about a stage 1 tune as well for my SWP 11 WRX. Let me know how you make out. Thanks.
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Old 01-06-2012, 10:54 AM   #12
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Bumping this thread....

I'm looking at used accessports and the below quote confused me. If the difference between version 2 and version 2B is the cable, why is the 2B so much faster than version 2? See here...
http://cobbtuning.com/info/?id=5503

So, how do I tell if I'm buying a used version 2 or version 2B?

Thanks,
Walter

Quote:
Originally Posted by Cobb Tuning View Post
MSMStannyl,

The SUB-003 is only available as a single type of AccessPORT, the v2b. There may be some early v2 AccessPORTs out there still, but either one will work exactly the same way on your car. The only difference is the style of tuning cable that is used, but again this will not affect operation in any way at all. I believe someone said something about a v3 AccessPORT? This does not exist. We only have the one style of AccessPORT available.

...

Travis
COBB Tuning
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Old 01-06-2012, 07:27 PM   #13
Cobb Tuning
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Quote:
Originally Posted by wobbletop View Post
Bumping this thread....

I'm looking at used accessports and the below quote confused me. If the difference between version 2 and version 2B is the cable, why is the 2B so much faster than version 2? See here...
http://cobbtuning.com/info/?id=5503

So, how do I tell if I'm buying a used version 2 or version 2B?

Thanks,
Walter
Version 2 has an OBD cable (i.e. the one that plugs into your car) with a detachable USB cable. Version 2b has a one-piece OBD cable with a 9-pin connection.

You can check out the AP user manual here (it shows the v2 cable and v2b cable):
http://accessecu.com/support/docs/ma...UserManual.pdf

Bill
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Old 12-19-2012, 11:48 AM   #14
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So, rather than starting a new thread, id like to just bump this back up.

The only difference between SUB-002 and 003 is software then? The AP hardware itself is identical, between V2 and V2b? I want to double check that I can use a SUB-003 on an 06 STi, since when I deleted all the '11 WRX maps off (they're saved on my computer, just in case) and added some '06 maps, the screen changed and no longer displays a 3rd gen.
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Old 12-19-2012, 01:25 PM   #15
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I don't think it works like that or else they would just have 1 AP for all subaru's and you would just load whatever map you needed to run.
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Old 12-19-2012, 01:55 PM   #16
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Quote:
Originally Posted by Dillinja666 View Post
I don't think it works like that or else they would just have 1 AP for all subaru's and you would just load whatever map you needed to run.
Read what the dude from Cobb said though, it sounds like that the preloaded maps are the difference. And the cable difference between the V2 and V2b. I'll see soon enough though, as I should be hopefully trading in the '11 for an '06 STi this weekend. Assuming the world doesn't implode on Friday.
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Old 12-19-2012, 02:08 PM   #17
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I just think this site has been around for so long and so has the AP that someone would have tried that before. I don't know im pretty new on here so maybe its a " yes it works, use search blah blah blah" thing that everyone knows already.
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Old 12-19-2012, 05:51 PM   #18
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Quote:
Originally Posted by gregroot198521 View Post
The only difference between SUB-002 and 003 is software then? The AP hardware itself is identical, between V2 and V2b? I want to double check that I can use a SUB-003 on an 06 STi, since when I deleted all the '11 WRX maps off (they're saved on my computer, just in case) and added some '06 maps, the screen changed and no longer displays a 3rd gen.
It will not work unfortunately. Your new 2006 STI will require a SUB-002 unit

Cheers

Lance
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Old 12-27-2012, 04:41 PM   #19
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guy selling cobb ap he used it on 2012 sti would it work on 2011 wrx?
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Old 12-27-2012, 05:01 PM   #20
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Quote:
Originally Posted by Cobb Tuning View Post

It will not work unfortunately. Your new 2006 STI will require a SUB-002 unit

Cheers

Lance
Isn't the only difference the software and the cable though (between SUB-002 & SUB-003)?
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Old 12-27-2012, 05:27 PM   #21
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Quote:
Originally Posted by gregroot198521 View Post
Isn't the only difference the software and the cable though (between SUB-002 & SUB-003)?
No, the "brain" itself is different for each model as well. A SUB-002 is always a SUB-002 once it leaves production.

I think you are confusing V2 and V2B. Those are hardware revisions. SUB-002 is the part number that covers the 04-07 STi. SUB-003 covers 08+ STi.

Cheers

Lance
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