DAF XE 390C 12.6L 530hp (390kW) 2350Nm — Stage 1 file (+69 hp)

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Chip tuning for DAF XE 390C 12.6L 530hp (390kW) 2350Nm ECU

DAF XE (I) 390C 12.6L 530hp (390kW) 2350Nm — commercial diesel engine of the commercial segment of the PACCAR (с 1996) group (Нидерланды, 1928). Stage 1 chip tuning raises power from 530 to 599 hp (+69 hp, +13%) and torque from 2350 to 2650 Nm (+300 Nm).

DAF has been part of the American PACCAR group since 1996. DAF is a Dutch truck manufacturer, founded in 1928. The XF, CF and LF are DAF's main series. DPF/SCR with AdBlue is standard on modern Euro-6 truck engines. Truck chip tuning is a discipline of its own, focused on fuel consumption and pulling power rather than peak output. The factory calibration is conservative, leaving headroom for Stage 1 while preserving engine life.

The truck chip tuning community is an industry of its own, focused on long-haul routes. The professional logistics segment tunes for fuel consumption and pulling characteristics. Top MAN units sit at the power ceiling of the European truck segment.

Frequently asked questions

What is the Stage 1 effect on the DAF XE 390C 12.6L 530hp (390kW) 2350Nm?

Stage 1 chip tuning on the DAF XE 390C 12.6L 530hp (390kW) 2350Nm boosts engine output by 69 hp: from 530 to 599 hp. Torque rises from 2350 to 2650 Nm (+300 Nm).

What changes in the DAF XE ECU after Stage 1?

Stage 1 is a software optimization of the factory ECU firmware of the DAF XE with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +69 hp with no hardware changes.

Does Stage 1 make sense on the DAF XE 390C 12.6L 530hp (390kW) 2350Nm with this much power?

On the top-spec DAF XE 390C 12.6L 530hp (390kW) 2350Nm engine, Stage 1 is the starting point before Stage 2 with a downpipe, intake and a larger intercooler. The mass-market factory calibration leaves substantial headroom for an aggressive software tune.

What is Stage 2 for the DAF XE 390C 12.6L 530hp (390kW) 2350Nm?

Stage 2 for the DAF XE 390C 12.6L 530hp (390kW) 2350Nm 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 DAF XE remain valid after Stage 1?

After remapping the DAF XE, 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 DAF XE?

Reading and writing via OBD takes 25-30 minutes on the DAF XE. 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 DAF XE?

Before Stage 1 the original of the DAF XE 390C 12.6L 530hp (390kW) 2350Nm is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the DAF XE 390C 12.6L 530hp (390kW) 2350Nm cost?

The remap price for the DAF XE 390C 12.6L 530hp (390kW) 2350Nm 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