Tonight I disconnected the negative cable on the battery and left it for about half an hour. After hooking it back up I drove the car, no change in the high shifting RPM's. I checked the trans fluid level too just to be sure, since I know these NAG1 trannys are very sensitive to fluid level. The ...

Mike -

I have not changed the gear ratio in the car. The only mods I have done to the car besides uploading the canned tune are a catback exhaust and removed the air intake silencer. Will doing a hard reset have a different effect than using the Predator to reset the TCM? How long should I have it ...

I was able to successfully upload a canned tune (91 oct) to my '05 Magnum R/T with my U7135. Upon driving the car, I immediately noticed that the car would not shift out of first gear on my street (25mph limit) even if I let completely off the gas at 25mph. Driving the car at higher speeds, no ...

I received the RMA'd Predator from UPS this morning and was able to successfully use it to upload the 91 octane tune today. No error messages were displayed and I didn't see any smoke or flash this time Thanks Diablosport!

Any updates on this? I have not recieved any communication back after emailing the issue to [email protected] on the 19th.

Thanks mikel, I should have time to do that this evening.

I purchased a U7135 for my 2005 Magnum R/T about 2 months ago. When it arrived in the mail, I attempted to upload the 91 octane tune. The factory tune was saved to the Predator with no problems; however when I attempted to upload the new tune, the upload failed and the Predator indicated that I ...