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02-19-2019, 08:49 AM | #1 |
Scooby Newbie
Member#: 469362
Join Date: Jun 2017
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07 wrx immobilized after opensource reflash
So I have a 2007 USDM wrx, ecu read fine, and first tune flashed fine, but then after the tune was flashed to the ecu, the security light would go crazy, very fast blinking, and the car wouldn’t start. So I loaded the stock map back on the ecu, to test and see if that would make the car start, car wouldn’t start. What the heck??
Cycled the key three times, car fired up, took car for test drive (stock map) and it runs rich AF (expected) but in boost it would break up and essentially fall on its face and pop wastegate solenoid codes (expected). Put the car back in the garage, tried to reflash the base map I picked out (bullwinkle/gabedudes hybrid stage 2 tune for 06/07 wrx, found it on rom raider forums, matched the modifications on my car for the most part, I had a few more things done, but a good starting point) Go to start the car, same thing happens, security light going crazy, cranks and cranks but won’t start, immobilized. What the heck??? So I reflash the stock map back on it again to test and now the security light just goes wild, no amount of key cycling or rubbing my tummy and patting my head while holding the unlock button with my big toe has worked, I am at a complete loss and I’ve nvever seen this happen before, although this is my first time owning and trying to flash a car with an immobilizer.if anyone has ever seen anything like this or can point me in a general starting direction that would be awesome.
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02-19-2019, 03:21 PM | #2 |
Scooby Guru
Member#: 33782
Join Date: Mar 2003
Chapter/Region:
MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
Bump.
Wish I could help but I have no clue. |
02-19-2019, 03:33 PM | #3 |
Scooby Newbie
Member#: 469362
Join Date: Jun 2017
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02-20-2019, 12:13 PM | #4 |
Scooby Newbie
Member#: 469362
Join Date: Jun 2017
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Bump. Send halp. SOS. Local Dealership won’t help me because it’s been tuned. Cars dead in the water and I have no idea where to start.
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02-20-2019, 01:35 PM | #5 |
Scooby Newbie
Member#: 469362
Join Date: Jun 2017
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UPDATE:
Car is throwing a P2228 barometric pressure circuit code. After doing some research I found this could cause a no start condition. |
02-20-2019, 04:17 PM | #6 |
Scooby Newbie
Member#: 469362
Join Date: Jun 2017
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UPDATE:
Found an old thread on here on how to write my own barometric pressure values in ECUflash, edited in a rough value for where I am located (Whitehall/Allentown PA) and the car started right up. Only problem is now under high boost and load it says that the MAP is high and I’m popping the MAF/MAP circuit high. Any ideas? Should I just lessen that number. |
02-20-2019, 09:21 PM | #7 |
Scooby Guru
Member#: 33782
Join Date: Mar 2003
Chapter/Region:
MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
I'm not going to lie, this sub-forum has been pretty dead. I'd assume you'd have better luck on Romraider.
Is your MAP sensor stock or aftermarket? |
02-20-2019, 11:50 PM | #8 | |
Scooby Newbie
Member#: 469362
Join Date: Jun 2017
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Quote:
It’s all good bro I got it running and better then it’s ever been. So what I did, in case anyone runs into this problem in the future, is I went it and edited the BPS values in ecu flash to 14.4 PSIA so that the barometric sensor would see a value that was proper for the car at the altitude (roughly) that its driven in. And then changed the multiplier to 0.00 so that that barometric pressure wouldn’t be changed or adjusted. And it now runs like a champ. So if anyone ever overboosts and kills the BPS built in to the sensor on the secondary air pump valve on the bell housing, this is a nice little hack to get around it and still be able to check your tune. |
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02-21-2019, 10:56 AM | #9 |
Scooby Newbie
Member#: 485878
Join Date: May 2018
Location: NYC
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02-26-2019, 08:38 AM | #10 |
Scooby Specialist
Member#: 111755
Join Date: Apr 2006
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Props for posting your fix. Id give you mad IG rep points for that.
So flashing had nothibg too do with your immobilizer, then? |
02-27-2019, 09:14 PM | #11 |
Scooby Guru
Member#: 33782
Join Date: Mar 2003
Chapter/Region:
MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
So refreshing to have someone actually share a fix...and I've been on a here only a couple years
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