Please reach us at info@bigdawgstoyotatuning.com if you cannot find an answer to your question.
Yes, your truck will need to have the latest Toyota ECU software and we will update it for free! Skip the dealership! item.
• Tune for different tire sizes (Stock, 31.6", 33", 35", etc)
• Tune for different gearing ratios (Stock, 4.88, 5.29).
The tunes do not modify the OEM ECU ID, it will always report back as "stock". A CVN check will reveal that the vehicles ECU has been modified though. This happens if the dealer sends your ECU to a higher level Toyota corporate facility. If this happens, then it may be detected. This only happens under very certain circumstances.
If the warranty issue in question is caused directly by the tune, you could potentially have your warranty voided on that item. The tune is just like installing any aftermarket part, the dealer will have to prove that the tune caused the issue at hand. We make no guarantees or promises that tuning will uphold your vehicle's warranty, HOWEVER many of our customers have had their trucks at their local dealership with no warranty problems or issues. Please use your best discretion when considering tuning your vehicle.
• The Toyota TSB Updates take about 10 minutes
• The actual tune flash takes a few quick minutes
Absolutely!
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