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Old 10-18-2010, 03:38 PM   #1
bl0wn
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Default NEED HELP programming voltage out of range in ecuflash

I have been searching all over many different forums and have read every post that seemes even remotely relevant and cannot figure this out. I have a soo4 wrx that i am trying to flash a new rom to. I have the green connector connected and the white connector plugged in. I am using a tactrix 2.0 cable and ecuflash.
When i test flash the rom it will finish and say that everything is fine but in the middle of the log it says that the programming voltage is 12.64 volts and then it says that the programming voltage is out of bounds. When i try to actually flash the rom it stops and the log says that the programming voltage is 12.64 and the programming voltage is out of bounds then it quits. It does not say anywhere that it is too low or too high.
I have not found any other people to have this problem a lot of people have the too low voltage problem but not this. I am getting quite frustrated and need help
Thanks in advance
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Old 10-18-2010, 04:05 PM   #2
xlsupreme
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why don't you try to hook a trickle charger up to the battery, it will maintain constant voltage for you (in case th ebatt is a little dead)
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Old 10-18-2010, 04:26 PM   #3
BlInK311
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It doesn't sound like a dead battery problem. I believe I had that problem the first time I tried to flash my ROM too. Make sure you connected the 2 green plugs together under the dash. you also have another white plug under the dash that you need to short out. It sounds like you did that part right. Ive also read that you might have another connection that is needed in some years in the passenger side kick panel that might need to be connected. however I don't remember what years need that. Hopefully that helps.
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Old 10-18-2010, 04:29 PM   #4
swoobaru
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I'm the same boat. My 04 WRX will not flash I have read numerous posts on romraider/a bunch of forums looking for answers. I get the exact same errors. I have ran numerous voltage values ranging from 11.76-12.54 which result in a programming voltage too low error. and values all the way from 12.64 to 13.06 volts resulting in a programming voltage out of range error. I've Also read that people some times run a wire into one of the pinouts of the tactrix cable for voltage. I am using a v1.3 tactrix cable. This cable works fine because it has flashed a 02 bugeye and an 04 auto WRX. The battery is not the issue. it's been tested and reads as a good battery. The Cable works as well. Is there any other methods that people have tried who have experienced the same problem. Besides running the car and turning on the lights and trickle charging or copying tables into my 160kb map from a 192kb map. I have tried all of those. Could it be that windows XP may cause errors or the laptop it self? Ecu Flash also have all of the newest definitions, could this be a problem as well? Other than this I'm beginning to think that the ECU is locked, or hasn't been unmarried from an AP by one of the previous two owners.

Any input is much appreciated.
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Old 10-18-2010, 05:09 PM   #5
Hyper
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there is a voltage drop somewhere, don't know where and why
I ended up rewiring those few wires from the ECU that go through the line-check connecters, running them STRAIGHT from ECU into the OBD-II bypassing all the OEM harnesses
never had a problem again
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Old 10-18-2010, 07:06 PM   #6
bl0wn
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Quote:
Originally Posted by xlsupreme View Post
why don't you try to hook a trickle charger up to the battery, it will maintain constant voltage for you (in case th ebatt is a little dead)
What voltage is needed? it seems to me that 12.6 volts should be plenty
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Old 10-18-2010, 07:07 PM   #7
bl0wn
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Quote:
Originally Posted by BlInK311 View Post
It doesn't sound like a dead battery problem. I believe I had that problem the first time I tried to flash my ROM too. Make sure you connected the 2 green plugs together under the dash. you also have another white plug under the dash that you need to short out. It sounds like you did that part right. Ive also read that you might have another connection that is needed in some years in the passenger side kick panel that might need to be connected. however I don't remember what years need that. Hopefully that helps.
The car does go into test mode so i know that all the green connectors are connected properly thanks though
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Old 10-18-2010, 07:09 PM   #8
bl0wn
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12.5 at 110

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Quote:
Originally Posted by Hyper View Post
there is a voltage drop somewhere, don't know where and why
I ended up rewiring those few wires from the ECU that go through the line-check connecters, running them STRAIGHT from ECU into the OBD-II bypassing all the OEM harnesses
never had a problem again
the line check connectors? are those where i had to plug in the flashing block? also is 12.6 v really not enough?
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Old 10-19-2010, 12:38 PM   #9
swoobaru
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12.6 is plenty. It only takes 12 volts to reprogram the ECU.


Quote:
Originally Posted by Hyper View Post
there is a voltage drop somewhere, don't know where and why
I ended up rewiring those few wires from the ECU that go through the line-check connecters, running them STRAIGHT from ECU into the OBD-II bypassing all the OEM harnesses
never had a problem again
Why does a voltage drop somewhere still cause an error and sometimes a high voltage readout by the program?
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Old 10-19-2010, 11:09 PM   #10
bl0wn
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bump for help
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Old 10-20-2010, 06:18 PM   #11
surfrjag
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its too much voltage actually turn on your headlights and try it again. i had this problem before it seems the ecu likes 12v exactly
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Old 10-20-2010, 07:29 PM   #12
bl0wn
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Quote:
Originally Posted by surfrjag View Post
its too much voltage actually turn on your headlights and try it again. i had this problem before it seems the ecu likes 12v exactly
I actually tried that i turned on just my headlights and it still read 12.64 volts then i turned on my blower motor interior lights defroster and high beams and it still read 12.64 volts which is really weird. I used romraider logger to tell me exactly what the voltage was in the battery and it said about 11.8v with everything on and went up as i turned stuff off but ecuflash still read like 12.6. That is very odd im lost
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Old 10-20-2010, 10:23 PM   #13
scoobystas
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i totally think its the physical tactrix port unit!!

I had this problem intermittently (more often had the problem than not, lol) and have sent the open port 2.0 back to tactrix multiple times for different reasons. Everytime it came back, they resoldered, blah blah, but the low voltage was still happening.

Finally they sent me a brand new open port 2.0 with a little metal tab on the section of the port that enters the odbII. My old unit did not have this metal tab. Anyway, i've now been using this new one for over two months and have not had a single Low voltage error problem! Everything else stayed the same...mini usb to usb cable, lap top, and car
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Old 10-20-2010, 11:07 PM   #14
bl0wn
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Quote:
Originally Posted by scoobystas View Post
i totally think its the physical tactrix port unit!!

I had this problem intermittently (more often had the problem than not, lol) and have sent the open port 2.0 back to tactrix multiple times for different reasons. Everytime it came back, they resoldered, blah blah, but the low voltage was still happening.

Finally they sent me a brand new open port 2.0 with a little metal tab on the section of the port that enters the odbII. My old unit did not have this metal tab. Anyway, i've now been using this new one for over two months and have not had a single Low voltage error problem! Everything else stayed the same...mini usb to usb cable, lap top, and car
I just got this cable in the mail last week and it does have the metal tab on the port so i would be pretty upset if it came stock broken
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Old 10-22-2010, 06:07 PM   #15
bl0wn
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So i put another battery in the car today one that i had just sitting around. It read 11.8 volts when i put it in the car which i know is low but thats why i did it i wanted to see what ecuflash would read. I went and test wrote the rom and the log still said that the programming voltage was 12.62volts which is impossible because the battery only had 11.8v in it. I have no idea what would cause that but it is making me believe that it is a problem with either ecuflash software on my computer or the tactrix cable? Anyone have any ideas?
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Old 10-22-2010, 07:40 PM   #16
bl0wn
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I got this working!!!! i am really happy this means i can now put my 18g on tomorrow. It ended up being the ecuflash program. I was running the newest beta version because that is what romraider told me to use. I uninstalled that, rebooted, and then installed version 1.42 instead. It worked fine with this version, im not sure whether my hardware or their software is at fault but it is now working. thanks to anyone that helped
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Old 12-06-2010, 10:17 PM   #17
1.8T3
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Hi, I'm new here! I'm actually working for a Subaru Performance shop In Quebec. ( Twofast Performance) ! We bought Tactrix cable last week and at our 2 first try we had the same issue ... 12.62 voltage out of bound .... But The test write works fine ! We are cobb dealership So we know well how tu use the green connectors and bypass plug..

Already running 1.42.2595 version of Ecuflash ..
Running on Win7 .. The only weird thing is: When I start Ecuflash the 2nd line shows:
[21:52:54.373] EcuFlash Version 1.42.2595
[21:52:54.373] OS Version Windows Vista
[21:52:54.373] Qt Version 4.5.0


IS that normal




Someone know how to solve it ?
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Old 12-07-2010, 01:15 AM   #18
bl0wn
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Mine did the same thing it turns out that the cable is bad...i have tried this cable on 3 different laptops and it wouldnt work on any then tried an older 1.3 tactrix cable and it worked perfect on all laptops
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Old 12-07-2010, 01:21 AM   #19
scoobystas
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glad you got it fixed. as soon as they sent me a new cable, all was well again. Not the greatest customer service, took a while (1 month) but was still resolved so i guess i can't complain.
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Old 08-31-2011, 12:05 AM   #20
Vlad
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I need to revive this, to ask:
Did all the guys that posted here get their ECU bricked when the voltage out of bounds error came up?
were you all test writing, as this error was happening?
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Old 08-31-2011, 12:26 PM   #21
WhyHelloOfficer
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Quote:
Originally Posted by Vlad View Post
I need to revive this, to ask:
Did all the guys that posted here get their ECU bricked when the voltage out of bounds error came up?
were you all test writing, as this error was happening?
I have had this error pop up quite a few times with a Modded BFM Cable, using ECU Flash on my 05 WRX. The ECU never bricked.

My bandaid solution that I figured out was to actually flash the car with the headlights/high beams turned on, it put enough of a draw on the battery to lower the programming voltage below 12.5 volts, and it flashes every time. I have been doing this for months now and never had a problem. Your results may vary.
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Old 08-31-2011, 01:42 PM   #22
Vlad
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so you test wrote, saw that there was a problem, tried again with headlights on and then wrote with headlights on, so you never bricked it.
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Old 08-31-2011, 01:59 PM   #23
WhyHelloOfficer
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Quote:
Originally Posted by Vlad View Post
so you test wrote, saw that there was a problem, tried again with headlights on and then wrote with headlights on, so you never bricked it.
I never test wrote.
I tried to flash the file on, during the intial steps of the flash, it stopped saying "Programming Voltage Error 12.68 volts! Flash Terminated."

After a while I had noticed that if my car had been sitting overnight, it would flash on the first try, so I gave it shot with the headlights on. It seemed that whenever the Programming Voltage was below 12.5 volts, it would flash no problem.

No bricked ECU, no scares. The flashing process wouldn't even start, it checks the voltage beforehand.

Last edited by WhyHelloOfficer; 08-31-2011 at 02:04 PM.
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Old 08-31-2011, 02:23 PM   #24
Vlad
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Help me understand:
You wrote, got the error yet not bricked.

I wrote, saw the blue progress bar go full at the bottom 2-3 times, saw 15 lines in the log section, then the voltage out of bounds 12.66v error. Tried 6 more times, then turned key off, now no communication with ECU.

Maybe mine is not bricked? i mean nomatter what the ECU, either Ecuflash checks them all before flashing or after, can't be some ECU one way, some another.
I mean, found numeous stories of bricking with voltage out of bounds, all on 02 ECU. Yet yours was fine.
I tried to restart the laptop, but will try again Tonite to talk to the ECU
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Old 08-31-2011, 09:14 PM   #25
Vlad
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You were right, it's not bricked. It's not dropping below 12.68 volts during flash attempts either, no matter what I turn on. I'll try to get some help from Tactrix with this though.
thanks
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