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Frequently Asked Questions

Please reach us at remote@tidewatercustoms.com if you cannot find an answer to your question.

2016-2023 Tacoma 3.5L V6 (AT/MT)
2005-2015 Tacoma 4.0L V6 (AT/MT)
2010-2023 4Runner (most trims)

2008-2021 Land Cruiser (limited ECUs currently)

2007-2014 FJ  (limited ECUs currently)


2024+ and older K-line support for Toyotas in the works! 


We will verify your truck's software version and update it for free if required.


For non-forced induction options, the calibrations offered do not modify the OEM ID, which means it will always report back as "stock".  We've found some files offered elsewhere do not satisfy this expectation and have ensured they are not part of our services whatsoever.


No. For all the currently supported vehicles the calibrations cannot access the speedometer functions. While they do adjust the shift point/speed calculations internally for the tune logic they do NOT alter the speedometer readout in any way.   There are other aftermarket options available that involved a programmable inline device behind the dash and we can certainly provider recommendations for you to consider.  In some case, in-person services can provide such device installs.


Although we do not guarantee warranty status, many of our customers have had no issues having warranty items taken care of without issues after tuning.  In fact, in 6+ years of tunes on the market we have yet to hear of a tune offered by professional resources that has ever had a concern. This is over thousands of trucks and growing!


  • Improved drivability over stock
  • Enhanced/smoother shift points and reduced gear hunting
  • Reduced Lag
  • Linear power curve
  • Increased throttle sensitivity options
  • Support for large tires/regearing
  • 87-95 Octane friendly (85 for high alt)


 

Further details can be provide but in general:

  • Review owner needs (consider throttle options)
  • Assess vehicle health (including mileage/batt/current ECU calibration)
  • Connect power supply to maintain constant voltage during flash process
  • VIN is unlocked on the VFTuner platform for use
  • Update to latest factory TSB (if needed) and cycle start
  • Apply custom KDMAX Pro tune and cycle start with idle
  • You test drive keeping in mind some of the tips we provide to expect and how to maximize your testing.
  • Post test drive review to determine if throttle is good or if a quick adjustment is needed. 


We work with you, the owner, by providing all services and tools with upfront pricing.  No nickel and dimes or hidden fees.  We just require your permission, your keys during the process, and your payment after test drive when you are 100% satisfied with the outcome. 


 

The latest tune offerings provide:
 

  • Improved Power & Torque - Get off the line like your expect! 
  • Smooth predictable shifting - adjustments to each shift point and torque converter logic  
  • Throttle - three throttle choices exist to suit your driving style and build of your vehicle. Heavier = higher throttle adjustment to retain sporty feel.
  • Support for 35"+ tires
  • Support for 4.88/5.29  regearing
  • Alternator output support for recommended AGM voltage to keep your upgraded battery charged properly
  • Dual tune-like settings mapped to your ECT button for autos
  • Reduced rev-hang for manual transmissions


Custom calibrations (and the VFTuner platform they are build from) are proven and tested on our own vehicles! This can mean months of testing before we even get updates to offer to the public. 


No, the calibrations is written to the vehicle and will remain in place until the ECU is replaced and/or the calibration is overwritten.

If any prior customer every takes their vehicle into the dealer and has their ECU updated for some factory update we will need to reflash the custom tune to re-apply. This is at no cost to you, we just need to coordinate the visit or remote option to best support you. 


The tuning platform we use (VFTuner) indicates that any tunes produce can at no time be used on any emissions control vehicle that is used for anything other than off-road performance or competition use. ALL Ecu tunes, Calibrations, flashes, files, datalogs, or anything in regard to the tune, tuning process, changes, are for OFF-ROAD USE. 

OUR TUNES AND FILES CANNOT BE USED IN ANY WAY TO CIRCUMVENT EMISSIONS REQUIREMENTS WHERE YOU LIVE FOR ANY REASON. THIS REGARDS ALL ENGINES, ALL ECUS, ALL FILES REGARDLESS OF CAR, MAKE, MODEL ETC. THE SERVICE CHARGE FOR TUNING IS SPECIFICALLY FOR YOUR ECU FOR TRACK AND OFF ROAD CONDITIONS ONLY. 

- Any files or calibrations are developed only for the exact vehicle and drivetrain that it comes with from the factory.

- Calibrations do not modify or disable any emissions check, component, monitor

- calibrations cannot be modified to disable any reporting component

- calibrations cannot be modified or used for any vehicle except for the intended vehicle, exact ECM, and specifications that came from factory.


No, and for that reason at this time the calibrations cannot alter the shift points and throttle settings while Adaptive (Radar) Cruise Control is enabled. While engaged, your vehicle will still function with factory settings (untuned)

Of you hold the cruise control button down for 3-5 seconds you will enter the Regular (Constant Speed) Cruise Control  mode. This mode has our updated KDMAX Pro settings.

We have word that an update to our tuning platform (VFTuner) is coming that will allow some level of access to improve the adaptive cruise shift/throttle mappings. Release data is TBD.


Copyright © 2024 Tidewater Customs, LLC - All Rights Reserved.

This site and resources are is not authorized by or affiliated with Toyota. 

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