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Thread: Alright, Alright Alright!

  1. #16
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    he went ahead and built the flash tool into tunercat ages ago (same tool just built into the menus)
    Interesting. I didn't realize that it was part of the OBDI package. Thank you.

  2. #17
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    Thanks all for responding and schooling me on this. i havent had a chance yet (since sunday)to get back on the laptop in the garage where i have the programs installed and double check/follow up/follow along on your guidance but:

    1project2many:"It looks like you have an LT1 definition file for $EE calibrations which is compatible with Tunerpro version 5 only. You can make changes to LT1 calibrations but you will need another tool such as Tunercat's Winflash or Steveo's EEHack to move calibrations between your computer and your vehicle."

    yes, the tunerpro version 5.(something)(will verify), $ee def, and OBD1 Diagnostics cable
    I thought i did have the EE hack installed i will double check, just to confirm, how would it be named in my C drive?
    Below, Steveo mentioned the Tunercat's Winflash is built in? built in to the ?? the tunerpro??
    and i guess there is a choice i have? to either install the winflash or the EE hack? either or is both is needed?

    Steveo: ok! yes, thanks, i have the " a popular combo is eehack and tunerpro and the EEX XDF definition since they're free"... i will double check for the eehack..(IDK,,,it seems like i ran acrossed it and do have but will verify)

    i read, am re-reading to absorb the post #2 you mentioned. i read in a prior post about someone was talking about the chance of erasing the PCM's data by accidentally getting the power supply to the PC cut off while loading ,etc. This would be my #1 fear, i dont want to accidentally erase,alter or change anything until i get a warm and fuzzy on what i'm doing. The first thing i want to do is read my PCM's current data log and save it and or print it out. The PCM was "tuned" (about 14 yrs ago) and what i should see for an example is.... VATS: off, O2's: off(or disabled) and i think a few other things that i had this Hottrodders place do. From reading the postings i cant understand if i need the vehicle running or just the key "on" to read the current PCM settings.


    dave w: looks like option #2 is the way i'm headed and i have the tunerpro not the RT, i think the non-RT version is for me

    Thank you all for the help!!! Oh, and to not confuse myself i will not be talking about the C.A.T.S tuner or its components. if i do mention any related terminology please let me know.
    Last edited by toyinhawaii; 02-04-2020 at 08:33 PM.

  3. #18
    LT1 specialist steveo's Avatar
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    you definitely suffer from confusion but that's normal for someone new to this

    if you use tunerPRO (not tunerCAT) at least use my XDF file. nothing else will do this ecm justice for a 'new tuner' (there are other versions for more advanced stuff) http://fbodytech.com/eex-tunerpro-definition/

    bricking your ecm during a flash is a real risk. you should read the bin from your ecm a few times before writing it, as the commands are nearly the same but the risk is zero while reading (the worst case is you power your ECM on and off again by unhooking the battery). if reading succeeds without issues, writing probably will too, but if not, you're going to have to hit the wreckers for a new one or fix the old one with lots of very fine soldering.

  4. #19
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    TunerCATS offers a mail-in service to fix the flash chip in a BRICKED PCM.

    dave w

  5. #20
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    Hi all,
    i installed the EE Hack and was looking and touching/clicking and also looked at Post #2(from Steveo) for about a week now trying to understand how this all works. i do notice when i hover over boxes it gives the definitions of what the box is and what it does. i wasnt sure if all i needed to do was just plug the cable in and turn on the key or start the engine , so i did both. in the 2 attachments, the ee hack settings i noticed after a few times plugging/unplugging in the cable it registered as port com 1. so now i know something is happening. on the EE hack, with the key on and also by having the engine running i tried to connect but the "stat" and "Acq" would flash back and forth saying "connecting..failed" at this point by looking at these 2 screens (i took a screen shot, see attachments) i think i need to upload a bin file? from the tunerpro or my computer files? my understanding the purpose of this ee hack is to view my current PCM setting, i do see some settings are populated but still trying to understand .please take a look at the attachments and let me know if i have to make adjustments, especially to the settings screen. the only thing i set was the vehicle type to B-BODY and noticed the port select went from none to com1


    ee hack settings 2020-03-05 195524.jpg

    ee hack 2020-03-05 195336.jpg

  6. #21
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    Last week steveo was helping me out understand what all the terminology meant so i could get a grasp on this, i'm about ready to throw in the towel though. From his help i did find out that my cable is good, although that was probably my bad. when i got the cable i had the "short pin" in normal mode when it should have been in "A short to B" . i found when i turned on the key the fans started up and after a minute i started getting codes flashing. a long time ago i just shorted a and b with a wire but got nothing. not to sure if i got them right but i think i deciphered ... 13,21,25,31,and a 23. the 13 is for O2 sensors and currently they are supposed to be turned off(i need them turned back on). the cable shorted throws the codes whether its plugged into the PC or not. So as of now i still cant seem to get the EE HACK working (same as above). i got the codes from troublecodes.net. i also have a short video clip of me recording the codes flashing but i cant seem to upload it, i think i have to send it to someones email.

  7. #22
    LT1 specialist steveo's Avatar
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    thought #1: this ECM doesn't use 'short a to b mode'. that's for 80s stuff. for the 8051 all you need is data, ground. that's all. two pins on that diagnostic cable.
    thought #2: pretty sure this ecm doesn't flash codes with field service jumpered (never tried but always been told that)

  8. #23
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    #1:yea, thats how i read it too! but just by swapping the pins around i found that was the only one that worked.

    http://aldlcable.com/instructions/al...structions.pdf


    #2 i printed out the chart from this site last year, but now the contents have slightly changed. my first page has pic of the plug, and a line that said something like" to check codes, short a wire from A to B to read codes, on some 94-95 models this wont work and you need a scan tool" this link doesnt have that, but seems basically the same.

    https://www.troublecodes.net/chevrol...e-5-7l-obd-ii/
    Last edited by toyinhawaii; 03-18-2020 at 08:20 PM.

  9. #24
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    To have readings from the PCM for the 94’ B carline the DLC has to include “M’ ( the serial data D29) from the PCM as well as “B” (D20 output field service enable) and “A” ( the ground)?

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