LS1Mike3692

I just got a diablosport predator tuner and I go to back up the original backup tune and it fails two times and comes up with a message Unit 1: error unlock (253). Does anybody know what the problem is or how to fix this?

Mike@Diablosport

iTrader: (2)

Is this an older tool?
What is the revision on the top line of the main menu?

You trying to tune a truck or car?

LS1Mike3692

I just bought it from LMPerformance for my 2000 Camaro Z28 and recieved it in the mail 2 days ago hears all the information from it and problem

It says "original backup not saved (-12) then after second try it says Unit 1:error unlock (253)

Calibrations:
09281344AG ECM Software
09358629AB EngCal
09359027AB EngDiagCal
16264290AB TransCal
16264349AB TransDiagCal
16264535AB FuelCal
16264752AB VehSysCal
09359149AB VehSpeedCal

Tool Info:
Serial: 7f00c822
Part: U7198U7198
Version: v.9r17
Hardware: Univ_Rev2
Bus: VPW
Born: 08/11/2010 17211
Bus Test: Passed

LS1Mike3692

anybody know what the problem is? i know there was a thread about this from a couple years ago but it never said if the guy fixed the problem or found out the problem.

Mike@Diablosport

iTrader: (2)

Any chance you have some aftermarket electronics in the car?
remote start, stereo, etc?

LS1Mike3692

I have aftermarket head unit, speakers and subs. i have gone in and disconnected the head unit completly from the wiring harness and still have the same problem. Cud this be cuased by aftermarket headlights? or not having any emission stuff?

Mike@Diablosport

iTrader: (2)

Any aftermarket electronics if hacked into the bus will cause these issues.
Are you sure you removed the aftermarket adapter from behind the stereo from the factory harness?
Thats where most of the problems lie.

LS1Mike3692

yes i took the whole headunit out unplugging it from the harness.