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Old 02-19-2019, 08:49 AM   #1
Dvpper_sf5
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Default 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 wouldnít start. So I loaded the stock map back on the ecu, to test and see if that would make the car start, car wouldnít 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 wonít 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 Iíve 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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Old 02-19-2019, 03:21 PM   #2
Homemade WRX
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Bump.

Wish I could help but I have no clue.
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Old 02-19-2019, 03:33 PM   #3
Dvpper_sf5
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Originally Posted by Homemade WRX View Post
Bump.

Wish I could help but I have no clue.


Dude Iím honestly so lost with this. Does anyone know if thereís a way to count the blinks of the security light and then X Amount of blinks means such and such is malfunctioning? Iím lost.
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Old 02-20-2019, 12:13 PM   #4
Dvpper_sf5
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Bump. Send halp. SOS. Local Dealership wonít help me because itís been tuned. Cars dead in the water and I have no idea where to start.
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Old 02-20-2019, 01:35 PM   #5
Dvpper_sf5
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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.
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Old 02-20-2019, 04:17 PM   #6
Dvpper_sf5
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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 Iím popping the MAF/MAP circuit high. Any ideas? Should I just lessen that number.
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Old 02-20-2019, 09:21 PM   #7
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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?
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Old 02-20-2019, 11:50 PM   #8
Dvpper_sf5
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Quote:
Originally Posted by Homemade WRX View Post
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?


Itís all good bro I got it running and better then itís 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 wouldnít 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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Old 02-21-2019, 10:56 AM   #9
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Quote:
Originally Posted by Dvpper_sf5 View Post
Itís all good bro I got it running and better then itís ever been. So what I did
Glad you worked it out, thanks for posting your solution.
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Old 02-26-2019, 08:38 AM   #10
trueno92
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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?
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Old 02-27-2019, 09:14 PM   #11
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So refreshing to have someone actually share a fix...and I've been on a here only a couple years
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