Volvo FM9 D9B 300 300hp (221kW) 1400Nm — Stage 1 file (+46 hp)

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Chip tuning for Volvo FM9 D9B 300 300hp (221kW) 1400Nm ECU

Volvo FM9 (I) D9B 300 300hp (221kW) 1400Nm — premium diesel engine of the commercial segment of the Geely Holding (с 2010) group (Швеция, 1927). Stage 1 chip tuning raises power from 300 to 346 hp (+46 hp, +15%) and torque from 1400 to 1610 Nm (+210 Nm).

Volvo has been owned by China's Geely Holding since 2010. Volvo is historically known for its engineering-led approach to safety and the environment. Polestar is Volvo's performance division, and a standalone brand since 2017. Volvo uses its own VEA (Volvo Engine Architecture) diesels. The factory calibration on Volvo diesels is conservative, leaving headroom for Stage 1. High-output Volvo diesels are the premium XC90/XC60 crossovers.

The Volvo community in Scandinavia and Eastern Europe has a large pool of ready-made Stage files. Within Geely Holding, ECUs are partly shared with Polestar and some Geely models. On pre-2017 Volvos, Stage 1 goes in over OBD without Bench. High-output Volvo models are premium crossovers with solid headroom for Stage 1.

Frequently asked questions

How much horsepower does Stage 1 add for the Volvo FM9 D9B 300 300hp (221kW) 1400Nm?

Stage 1 chip tuning on the Volvo FM9 D9B 300 300hp (221kW) 1400Nm boosts engine output by 46 hp: from 300 to 346 hp. Torque rises from 1400 to 1610 Nm (+210 Nm).

What changes in the Volvo FM9 ECU after Stage 1?

Stage 1 chip tuning of the Volvo FM9 is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +46 hp with no hardware changes.

Is Stage 1 safe on the high-output Volvo FM9 D9B 300 300hp (221kW) 1400Nm?

Stage 1 on the powerful Volvo FM9 D9B 300 300hp (221kW) 1400Nm “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).

How much does Stage 2 add on the Volvo FM9?

Stage 2 for the Volvo FM9 D9B 300 300hp (221kW) 1400Nm 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 Volvo FM9 warranty after chip tuning?

The factory warranty of the Volvo FM9 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 Volvo FM9 take?

On the Volvo FM9 D9B 300 300hp (221kW) 1400Nm: 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 Volvo FM9?

Yes, the original ECU firmware of the Volvo FM9 D9B 300 300hp (221kW) 1400Nm 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 Volvo FM9?

Stage 1 for the Volvo FM9 D9B 300 300hp (221kW) 1400Nm 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: 01.09.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno