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Potential Tuner
Controller Unlocker Timed Out...I guess I could always plant flowers in the bed
Popped a really simple tune into a 03 2500HD 6.0, it erased and then failed. Now when attempting to write it fails with "Controller Unlocker Timed Out". I had the radio fuse out but unknown to me it had a aftermarket door chime(now removed) which could have been a problem. I cant get any access at this point, truck is in a no-crank condition. I submitted a tech support ticket, they had me try a beta version writing the stock tune, which did the same thing, waiting to hear back....
Things I have tried already, some numerous times
Re-synced controller
Disconnected battery for 20 mins
Close and restart editor
Different USB port
different combinations of KOEO, plugging/controller, attempting write
Any help would be appreciated as already have a couple lawn ornaments
Last edited by Cavalry; 08-20-2020 at 07:52 AM.
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Advanced Tuner
Probably killed the computer. While you wait go to a junk yard to get a PCM, obd plug, and the plug to PCM and make a bench harness. Had one do the same a while back. Truck had a rebuilt gauge cluster and the seals on the ECM plug failed. There was just a tiny bit of crude on the serial pin. Enough to kill it. I wasn't able to recover on a bench harness.
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Potential Tuner
I put it on a bench harness and was able to recover. What a fun time!