Lexus LM 300h 197 hp — Stage 1 file

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Chip tuning for Lexus LM 300h 197 hp ECU

Lexus LM (2020) 300h 197 hp — premium hybrid engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937).

Lexus shares platforms and engines with Toyota's premium segment. Lexus is the premium sub-brand of the Toyota Motor Corporation, launched in 1989. F is Lexus's performance division (LFA, RC F, IS F). On Toyota's electric and hybrid models, the inverter and BMS are locked. Hybrid Synergy Drive underpins Toyota's hybrid range (Prius, RAV4, Camry). Toyota is the world leader in hybrid production volume.

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. The GR models (Yaris GR, Supra) have a growing tuning culture. The locked Denso platform requires a dedicated tuning toolset. Mid-range Toyota models use high-compression naturally aspirated engines, so Stage 1 yields a modest gain.

Frequently asked questions

What does a Stage 1 remap of the Lexus LM 300h 197 hp include?

Stage 1 chip tuning of the Lexus LM is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters.

Can you do Stage 1 on the Lexus LM 300h 197 hp?

Yes, Stage 1 for the Lexus LM 300h 197 hp stays within the factory limits for boost pressure, knock and temperature. On a healthy engine with a serviced turbo and injectors there is no risk.

How much does Stage 2 add on the Lexus LM?

Stage 2 for the Lexus LM 300h 197 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.

What happens to the Lexus LM warranty after chip tuning?

The factory warranty of the Lexus LM does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.

How long does remapping the Lexus LM take?

On the Lexus LM 300h 197 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.

Is the original file kept when chip tuning the Lexus LM?

Yes, the original ECU firmware of the Lexus LM 300h 197 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.

What is the price of a Stage 1 remap for the Lexus LM?

Stage 1 for the Lexus LM 300h 197 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.

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