Unable to read ECM

[chrisincomfort]

Hello i am been unable to the ECM in my 2010 Silverado HD with the Duramax. But I can read any other ECM I hook up to.
This is what I see when I try to read it

14:28:09.877: Preparing ECM for reading flash...
14:28:09.893: ECM seed is: $4F3D
14:28:09.893: Unlock attempt 1 of 4
14:28:10.002: Initializing ECM...
14:28:11.281: Error: Failed. Controller has returned to normal operation, please retry the operation.
14:28:11.921: Total time: 00:00
14:28:11.921: Rebooting ECM... (please wait up to 8 seconds)
14:28:13.044: ECM has booted successfully...
14:28:14.058: Clear emisison related DTCs...
14:28:14.058: Clear DTCs for all modules...
14:28:16.133: Autodetect interface ...
14:28:16.336: Interface firmware version: 2.7.14

Thanks for any help.

BTW the truck has an DSP5 tune.


Chris

[Duramax 6.6L]

What was the error message that you received?

[chrisincomfort]

Got an pop up about the data was interrupped. I pulled the info and radio fuses and that didnt help.

[joecar]

Did you get it working...?

[chrisincomfort]

No I goofed on the last post

[jay p]

You can't read a DSP tune.

[chrisincomfort]

Right. I changed the idle settings about 3 weeks ago that was the last time I was able to read or flash it.

[GMPX]

As Jay P said, DSP tunes cannot be read back out of the LBZ/LMM ECM.

[chrisincomfort]

ok I didnt know that

Thank you for the help

[blackmax24]

so what you just flash a new dsp tune over the existing one??

[ScarabEpic22]

so what you just flash a new dsp tune over the existing one??

If you built your DSP tune, then you just have to keep modifying it and flashing it over. If you didnt build it, then you need to have your tuner send it to you so you can modify it and flash it.

[blackmax24]

ok thanks, i do my own so it worked.