Lost TFT after battery drained to 4 volts TFT displays N/A
My 08 F-250 batteries drained down to 4 volts. After charging them my Gryphon 6PFD64-0708 programmer shows "N/A" on the TFT.
Everything else operates normally.
Should I reset to the factory tune?
The diagnostics don't show and touble codes.
I tried your tech line but it was busy (678) 963-9913
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