reg Posted January 20, 2006 Share Posted January 20, 2006 My dealer is currently replacing my ECU due to the rad fan problem. http://www.legacygt.com/forums/showthread.php?t=10568 Before I took my car in I did a "revert to stock" with my AP. There was an issue due to my Cobb downpipe and they called in a rep from Subaru Canada to look at the car. He determined the exhaust mod would not void the warranty on the ECU. When the dealer installed the new ECU the car would not start. They called me to ask if I had tuned my old ECU. They stated they felt the reason my car would not start with the new ECU is because I must have altered the programming of the original ECU. This seems wierd to me, I flashed my ecu to stock. Can anyone tell me if an ecu flashed to stage 2 with an AP and then reflashed to stock before being removed can somehow prevent a new ECU from functioning? Or do you think this is BS and the rep suspected a reflash and the dealer was fishing for confirmation to void the warranty? Link to comment Share on other sites More sharing options...
rc0032 Posted January 20, 2006 Share Posted January 20, 2006 Flashed to stock or reverted to stock? You can flash a Cobb “stock” map or you can un-marry the AP. Two different things, you sure you did the right one? Link to comment Share on other sites More sharing options...
mudfoot Posted January 20, 2006 Share Posted January 20, 2006 sounds like BS to me.. Contact Cobb. or PM Christian and ask him Got Torque ? Link to comment Share on other sites More sharing options...
mudfoot Posted January 20, 2006 Share Posted January 20, 2006 Flashed to stock or reverted to stock? You can flash a Cobb “stock” map or you can un-marry the AP. Two different things, you sure you did the right one? rclark0032....so i guess you would need to UNMARRY it? Got Torque ? Link to comment Share on other sites More sharing options...
reg Posted January 20, 2006 Author Share Posted January 20, 2006 Flashed to stock or reverted to stock? You can flash a Cobb “stock” map or you can un-marry the AP. Two different things, you sure you did the right one? Yes, I did revert to stock. Even if I had just flashed a stock realtime map, I still don't see how this could possibly affect a new ECU. Link to comment Share on other sites More sharing options...
drifterx Posted January 20, 2006 Share Posted January 20, 2006 i dont know subies but it sounds like BS Link to comment Share on other sites More sharing options...
PhilT Posted January 20, 2006 Share Posted January 20, 2006 Shouldn't make the slightest bit of difference, you could have fried, baked and broiled your old ECU, when they plug in a brand spanking new one it should work. I think it would need to be programmed to suit your car, ignition keys, security and that sort of thing, but no way I can see it stopping the car from running. Which dealer are you referring to ? Double Award Winning Legacy GT Wagon Link to comment Share on other sites More sharing options...
reg Posted January 20, 2006 Author Share Posted January 20, 2006 Hi Phil, I agree, thats why I thought they were jerking me around. I would rather not name the dealer in a searchable forum. It's not in or near Hamilton or GTA. Link to comment Share on other sites More sharing options...
GTsleeper Posted January 20, 2006 Share Posted January 20, 2006 complete crap..... just tring to to it around on u!!!!dont say shish Link to comment Share on other sites More sharing options...
GTsleeper Posted January 20, 2006 Share Posted January 20, 2006 +1 to all phil said, that ecm needs flashed to ur spec. car thats probably why it wont start. Link to comment Share on other sites More sharing options...
GizmoII Posted January 20, 2006 Share Posted January 20, 2006 I had the same issue, the new ECU doesn't recognize the key immoblizer codes anymore. The dealer has to marry the keys to the new ECU or the car won't start. They should have asked you to bring in all your keys so they could reprogram them. Don't forget your Valet key. Link to comment Share on other sites More sharing options...
HansGT Posted January 20, 2006 Share Posted January 20, 2006 i smell bs Link to comment Share on other sites More sharing options...
psucaptainkickass Posted January 20, 2006 Share Posted January 20, 2006 I had the same issue, the new ECU doesn't recognize the key immoblizer codes anymore. The dealer has to marry the keys to the new ECU or the car won't start. They should have asked you to bring in all your keys so they could reprogram them. Don't forget your Valet key. +1 Don't let the dealer fish around to get you to talk! Link to comment Share on other sites More sharing options...
legacyB430 Posted January 27, 2006 Share Posted January 27, 2006 ok heres my 2 cents and i don't know if the cobb ap does the same thing but here it goes...i was talking to a friend of mine that was thinking about flashing his VW R32 with something very similiar to the Cobb AP...it had the valet mode, antitheft mode basically the same thing...he said that with the anti-theft mode that even if you replace the ecu, the engine will not start...like i said i don't know if its the same but it could possibly be the problem, maybe since you replaced the ecu something with the anti-theft mode has possibly kicked in Link to comment Share on other sites More sharing options...
reg Posted February 24, 2006 Author Share Posted February 24, 2006 The only reason the car wouldn't start was the tech forgot he had to re register the keys. I now have a new ECU and relays, replaced under warranty. I am satisfied. First time I used cruise with new ECU (before reflashing back to Stage 2) I got a CEL and the cruise light stayed on. I power cycled the ECU and the problem has not retuned since. Link to comment Share on other sites More sharing options...
legacy_y_tu Posted February 24, 2006 Share Posted February 24, 2006 First time I used cruise with new ECU (before reflashing back to Stage 2) I got a CEL and the cruise light stayed on. I power cycled the ECU and the problem has not retuned since. Power cycled...what's that? Link to comment Share on other sites More sharing options...
MarcusDubya77 Posted February 24, 2006 Share Posted February 24, 2006 so you now need to get the AP married to that ECU...time to call Cobb :woowoo:check out the Diamond Gray Metallic Monster!!! Link to comment Share on other sites More sharing options...
Jon in CT Posted February 24, 2006 Share Posted February 24, 2006 First time I used cruise with new ECU (before reflashing back to Stage 2) I got a CEL and the cruise light stayed on. I power cycled the ECU and the problem has not retuned since.Brilliant. Rather than finding out what that trouble code was or, even better, taking the car directly back to the dealer to fix the cause, you erased the trouble code. BTW, your new ECU's ROM almost certainly has a different calibration ID than the one Cobb uses to revert to stock (unmarry). Your dealer will have no doubt the next time about whether you've reflashed your ECU. Link to comment Share on other sites More sharing options...
CasopoliS Posted February 24, 2006 Share Posted February 24, 2006 '] BTW, your new ECU's ROM almost certainly has a different calibration ID than the one Cobb uses to revert to stock (unmarry). Your dealer will have no doubt the next time about whether you've reflashed your ECU. Are you saying next time he uses the COBB, it will give the ECU the old calibration ID and the dealership can see the calibration ID is different? Link to comment Share on other sites More sharing options...
Jon in CT Posted February 24, 2006 Share Posted February 24, 2006 Are you saying next time he uses the COBB, it will give the ECU the old calibration ID and the dealership can see the calibration ID is different?Yes, and I have the impression he's already married the AccessPort to his new ECU. Anybody with an OBD-II scan tool can read the ECU's calibration ID (CalID). I don't have an AccessPort, but Cobb probably based its ROM images for the 2005 Legacy GT 5MT on the initial A2WC500N CalID. Since then, the stutter fix has been issued, which has a CalID of A2WC521N for the 2005 Legacy GT 5MT. And an idea just occurred to me. As most people know, the AccessPort uses the same ROM regardless of whether you're flashing a Legacy GT 5MT or an Outback XT 5MT. What if Cobb based its development on the Outback's ROM? Then its CalID will likely be A2WC500S. I bet that's exactly what reg's dealer saw - an ECU with an Outback CalID installed in a Legacy. The dealer must have figured there was a very remote chance of a mixup at the factory and that's why they kept pestering reg about whether he'd reflashed his ECU. Somebody with a decent OBD-II scan tool and AccessPort installed really needs to go out and pull the CalID off his 2005 Legacy GT ECU and report back. Link to comment Share on other sites More sharing options...
CasopoliS Posted February 24, 2006 Share Posted February 24, 2006 ']Yes, and I have the impression he's already married the AccessPort to his new ECU. Anybody with an OBD-II scan tool can read the ECU's calibration ID (CalID). I don't have an AccessPort, but Cobb probably based its ROM images for the 2005 Legacy GT 5MT on the initial A2WC500N CalID. Since then, the stutter fix has been issued, which has a CalID of A2WC521N for the 2005 Legacy GT 5MT. And an idea just occurred to me. As most people know, the AccessPort uses the same ROM regardless of whether you're flashing a Legacy GT 5MT or an Outback XT 5MT. What if Cobb based its development on the Outback's ROM? Then its CalID will likely be A2WC500S. I bet that's exactly what reg's dealer saw - an ECU with an Outback CalID installed in a Legacy. The dealer must have figured there was a very remote chance of a mixup at the factory and that's why they kept pestering reg about whether he'd reflashed his ECU. Somebody with a decent OBD-II scan tool and AccessPort installed really needs to go out and pull the CalID off his 2005 Legacy GT ECU and report back. Thanks. Once I get my LGT, and get the AP, I can do this for you. With the cable provided with the AP, can I use some software to get the CalID? Yea... I don't even own my Subaru yet, just trying to learn as much as I can before stepping into things. The fact that you can do ANYTHING over the OBDII port will blow me away. Try this on a Mazda/Ford ECU!!! I cannot wait to get into datalogging and tuning over the OBD port. Link to comment Share on other sites More sharing options...
Opie Posted February 25, 2006 Share Posted February 25, 2006 Hey Jon, AP does change the Calibration ID....and the checksum value...even if its re-flashed/un-married, etc...EcuTek does too... Link to comment Share on other sites More sharing options...
Outback XT Posted February 28, 2006 Share Posted February 28, 2006 Opie, So even if I unmarry the AP, the dealer can still find out that I have messed with the ECU? How common is it for Subaru dealerships to dig this far to find out? I'm stock right now except for the AP and was under the impression that the dealer could not tell if it was unmarried. I guess that is not the case. Link to comment Share on other sites More sharing options...
fzanetti Posted February 28, 2006 Share Posted February 28, 2006 Opie, So even if I unmarry the AP, the dealer can still find out that I have messed with the ECU? How common is it for Subaru dealerships to dig this far to find out? I'm stock right now except for the AP and was under the impression that the dealer could not tell if it was unmarried. I guess that is not the case. Most of the dealers won't care about just a reflash, unless you start really modding your car heavily... However there are others of course, who are jerks and try to deny service, but again you just go do your work/buy another car from another dealership.... Good luck, Flavio Zanetti Boston, MA Link to comment Share on other sites More sharing options...
mwiener2 Posted February 28, 2006 Share Posted February 28, 2006 I got my ECU reflashed with the stutter fix. Then flashed the AP over it. No issues with anything or anyone to date.... and I even have a 'COBB Tuned" license plate surround. If the delear doesn't know that I'm tuned, they're dumb. My Mods List (Updated 8/22/17) 2005 Outback FMT Running on Electrons Link to comment Share on other sites More sharing options...
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