Toyota Crown 2.4T 349 hp — Stage 1 file (+41 hp)

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Chip tuning for Toyota Crown 2.4T 349 hp ECU

Toyota Crown (2023) 2.4T 349 hp — mass-market hybrid engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 349 to 390 hp (+41 hp, +12%) and torque from 543 to 610 Nm (+67 Nm).

GR (Gazoo Racing) is Toyota's performance division (GR Yaris, GR Corolla, GR Supra, GR86). Toyota is the world leader in hybrid production volume. Toyota PHEV variants include the Prius Prime, RAV4 Prime and Highlander Hybrid Plug-in. The bZ4X is Toyota's flagship electric crossover.

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

How much does the power of the Toyota Crown 2.4T 349 hp increase after Stage 1?

Stage 1 chip tuning on the Toyota Crown 2.4T 349 hp boosts engine output by 41 hp: from 349 to 390 hp. Torque rises from 543 to 610 Nm (+67 Nm).

What changes in the Toyota Crown ECU after Stage 1?

Stage 1 is a software optimization of the factory ECU firmware of the Toyota Crown with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +41 hp with no hardware changes.

Do you need hardware changes for Stage 1 on the Toyota Crown?

Stage 1 on the powerful Toyota Crown 2.4T 349 hp “lifts” the factory limiters with no hardware changes. The gain is noticeable in the mid and upper range. There is headroom left for moving to Stage 2 (downpipe + intake + intercooler).

What is Stage 2 for the Toyota Crown 2.4T 349 hp?

Stage 2 for the Toyota Crown 2.4T 349 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.

Does the factory warranty of the Toyota Crown remain valid after Stage 1?

After remapping the Toyota Crown, 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 Crown?

Reading and writing via OBD takes 25-30 minutes on the Toyota Crown. 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 Crown?

Before Stage 1 the original of the Toyota Crown 2.4T 349 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Toyota Crown 2.4T 349 hp cost?

The remap price for the Toyota Crown 2.4T 349 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno