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P0697 error code limp mode trigered

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Old 01-13-2014, 08:33 PM
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00hotvette
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Default P0697 error code limp mode trigered

I now have my car flashed back to stock and I'm pulling this code P0697 (sensor reference Voltage C circuit open). Is there a fuse for this? any help would be great.
Old 01-13-2014, 08:50 PM
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That's an ECU 5v fault. Re-flash the stock tune file.
Old 01-13-2014, 09:01 PM
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Originally Posted by Theta
That's an ECU 5v fault. Re-flash the stock tune file.
Wish I could. With the engine light she wont go into service mode.
Old 01-13-2014, 09:46 PM
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Originally Posted by Theta
That's an ECU 5v fault. Re-flash the stock tune file.
Theta your the man of the year!!!!!! went down to the garage and was able to put her into service mode (the C7 has a mind of its own) re-flashed it back to stock on slow burn (it went fast) and no more codes so far. Has anyone else had this many problems flashing the C7?
Old 01-13-2014, 10:08 PM
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Originally Posted by 00hotvette
Theta your the man of the year!!!!!! went down to the garage and was able to put her into service mode (the C7 has a mind of its own) re-flashed it back to stock on slow burn (it went fast) and no more codes so far. Has anyone else had this many problems flashing the C7?
I ran DS tune no probs so far...
Old 01-13-2014, 10:11 PM
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It's temperamental for sure - discharging the ECU takes a bit of time in these (and many other new GM vehicles).

Once they're flashed entirely, you don't see this crop up. Even one little error in programming, though, can cause headaches like this.

USB communication is usually at fault for those instances. Remember to keep a good stock flash safe on a USB stick, Dropbox, etc. in case this every happens again!

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