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lightning bolt symbol on dash?

104K views 6 replies 6 participants last post by  05RamtoughHEMI 
#1 ·
what does the lightning bolt symbol on the dash mean.
i tried to program a bully dog triple dog programmer and the truck now won't start. i can't reprogram it back to stock because it doesn't recognize the key on like it asks me to do. when i do try to start it, the little lightning bolt symbol comes on. is that the security system or something? what does it mean?
 
#2 ·
It has to do with the Electronic Throttle Control. ( as per the owners manual)

12. Electronic Throttle Control (ETC) Light 5.7L
Engines Only
This light informs you of a problem with the
Electronic Throttle Control system. If a problem
is detected the light will come on while the
engine is running. If the light remains lit with
the engine running your vehicle will usually be drivable,
however, see your dealer for service as soon as possible.
If the light is flashing when the engine is running,
immediate service is required and you may experience
reduced performance, an elevated/rough idle or engine
stall and your vehicle may require towing. The light will
come on when the ignition is first turned on and remain
on briefly as a bulb check. If the light does not come on
during starting, have the system checked by an authorized
dealer.
 
#3 ·
It sounds like the PMC got scrambled, Try resetting the PMC and if that doesn't work, it might have to be replaced.
 
#4 ·
hey there, i used to have the bully dog aswell, had severall issues with it and sold it, but one of them at first, was it not reconizing the key was on, i'd recommend turning on the key on right before that point, and it should work, did for me.
 
#5 ·
05RamtoughHEMI said:
hey there, i used to have the bully dog aswell, had severall issues with it and sold it, but one of them at first, was it not reconizing the key was on, i'd recommend turning on the key on right before that point, and it should work, did for me.

I agree, try turning the key on a little sooner......
 
#7 ·
yeah, one time my ETC and Engine light came on, and my truck wouldnt run good at all and it was hard to start, ended up need the throttle body replaced and the map sensor. all was good after that.
 
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