Toyota Tundra 4.0i VVTI D-4S 280 hp — Stage 1 file (+10 hp)
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Stage 1 file for Toyota Tundra 4.0i VVTI D-4S 280 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Toyota Tundra 4.0i VVTI D-4S 280 hp ECU
Toyota Tundra (2014) 4.0i VVTI D-4S 280 hp — mass-market petrol engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 280 to 290 hp (+10 hp, +4%) and torque from 384 to 400 Nm (+16 Nm). The 2014 generation — mid-generation petrol ECUs (MEDC17/MEVD17/Simos PCR), OBD flash on production revisions.
Toyota Motor Corporation includes Lexus, Daihatsu and a stake in Subaru. Toyota has historically focused on naturally aspirated, high-compression engines. Denso is Toyota's in-house ECU supplier (a locked platform). Toyota's petrol range spans naturally aspirated Dynamic Force engines and turbo units for the GR series.
The GR models (Yaris GR, Supra) have a growing tuning culture. Toyota has an active JDM tuning community (GR Supra, GR Yaris, GR86). The Denso ECU is a locked Toyota platform, and most models do not respond to standard chip tuning. High-output Toyota GR models sit in the performance segment with solid Stage 1 headroom.
Frequently asked questions
What power gain do you get after chip tuning the Toyota Tundra 4.0i VVTI D-4S 280 hp?
The Stage 1 gain for the Toyota Tundra 4.0i VVTI D-4S 280 hp is 10 hp (+4%) over the stock 280 hp, for a total of 290 hp. Torque rises from 384 to 400 Nm (+16 Nm).
What is Stage 1 chip tuning for the Toyota Tundra?
Stage 1 is a software optimization of the factory ECU firmware of the Toyota Tundra with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +10 hp with no hardware changes.
Do you need hardware changes for Stage 1 on the Toyota Tundra?
The high-output Toyota Tundra 4.0i VVTI D-4S 280 hp has a conservative factory calibration aimed at the mass market. Stage 1 unlocks the engine's real potential while turbo and injector life are preserved.
What is Stage 2 for the Toyota Tundra 4.0i VVTI D-4S 280 hp?
Stage 2 on the Toyota Tundra 4.0i VVTI D-4S 280 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Does the factory warranty of the Toyota Tundra remain valid after Stage 1?
After remapping the Toyota Tundra, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.
How long is the wait for a Stage 1 remap for the Toyota Tundra?
Reading and writing via OBD takes 25-30 minutes on the Toyota Tundra. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.
How do you roll back to the factory firmware of the Toyota Tundra?
Before Stage 1 the original of the Toyota Tundra 4.0i VVTI D-4S 280 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Toyota Tundra 4.0i VVTI D-4S 280 hp cost?
The remap price for the Toyota Tundra 4.0i VVTI D-4S 280 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.