Help stock ECM tune os lost

ripmf666

Active member
Sep 20, 2006
15,123
14
38
47
Wentzville Mo
Heres what I get took out on eof my efi live tune and went to load new one and lost everything truck will not start and this is what the efi live says and missing.lost vin and gm os 0%

05:04:15.015: Scanning for EFILive FlashScan V2 USB
05:04:15.265: Current protocol set to: "ISO 15765 CAN"
05:04:15.312: Interface firmware version: 2.4.61
05:04:15.343: Interface firmware model: FS2
05:04:15.375: Interface firmware version: 2.4.61
05:04:15.390: Interface firmware date: Jul 24, 2007
05:04:15.406: FlashScan serial number: 003610363660
05:04:15.421: FlashScan license number: 003610363660
05:04:15.453: Disconnecting ...
05:04:15.500: Disconnected
05:04:16.046: Scanning for EFILive FlashScan V2 USB
05:04:16.281: Current protocol set to: "ISO 15765 CAN"
05:04:16.328: Interface firmware version: 2.4.61
05:04:17.953: Current protocol: "ISO 15765 CAN"
05:04:17.984: Interface firmware model: FS2
05:04:18.015: Interface firmware version: 2.4.61
05:04:18.031: Interface firmware date: Jul 24, 2007
05:04:18.062: FlashScan serial number: 003610363660
05:04:18.078: FlashScan license number: 003610363660
05:04:19.734: Current protocol set to: "ISO 15765 CAN"
05:04:19.781: Interface firmware version: 2.4.61
05:04:21.437: Getting status...
05:04:22.015: Status: Calibration missing.
05:04:27.312: Preparing ECM for reflash...
05:04:27.359: ECM seed is: $4D8C
05:04:27.750: Initializing ECM...
05:04:28.875: Request GM operating system...
05:04:28.921: GM operating system: 0
05:04:29.500: Request serial number...
05:04:30.375: Reflashing ECM's memory...
05:04:32.437: Erasing ECM flash memory... (please wait up to 45 seconds)
05:04:33.312: ECM flash memory erased OK
05:04:33.406: Error: Failed. Controller has returned to normal operation, please retry the operation.
05:04:33.406: Reflash failed, aborting...
05:04:33.421: Total time: 00:00
05:04:33.421: Data compression achieved: 0.0%
05:04:33.437: Attempting to reboot ECM... (please wait up to 8 seconds)
05:04:34.593: ECM has booted successfully...
05:04:35.609: Clear emisison related DTCs...
05:04:37.203: Current protocol set to: "ISO 15765 CAN"
05:04:37.265: Interface firmware version: 2.4.61
05:04:38.093: Clear DTCs for all modules...
05:04:39.671: Current protocol set to: "ISO 15765 CAN"
05:04:39.718: Interface firmware version: 2.4.61
05:04:40.843: Reflashing completed successfully
05:04:43.609: Done!
 

SmokeShow

Well-known member
Nov 30, 2006
6,818
34
48
43
Lawrenceburg, KY
anytime I have trouble with EFI Live, I will completely shut down the program on the computer, unhook everything then re-hook up everything like you are supposed, get the program running again and try loading/reading again. That's my first step

If that doesn't work, shut everything down, disconnect everything, and unhook the batteries for 15+min. Then get everything hooked back up and load or extract.

If that doesn't fix it, and this hasn't happened to me or anyone I've helped with EFI Live, then I'd call someone. Pat would be the first choice for me. Next would probably be Guy.


C-ya
 

ripmf666

Active member
Sep 20, 2006
15,123
14
38
47
Wentzville Mo
I took big tune out, put stock tune in and it started . then went to load a different tune iv ran before and now says no GM OS or vin acting like the ecm in blank.
 

LarryJewell

Back with his honey :)
Jan 21, 2007
10,152
0
36
58
San Angelo
I took big tune out, put stock tune in and it started . then went to load a different tune iv ran before and now says no GM OS or vin acting like the ecm in blank.

Did you get it started with the stock tune today since your original post?
 

ripmf666

Active member
Sep 20, 2006
15,123
14
38
47
Wentzville Mo
Nope no luck talked to Guy at Socal and tried the 30 min battery unhook no go , guess were getting the tech2 and doing a reflash.