Citroen C3 1.2 THP Puretech GPF 110 hp — Stage 1 file (+35 hp)

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Chip tuning for Citroen C3 1.2 THP Puretech GPF 110 hp ECU

Citroen C3 (2020) 1.2 THP Puretech GPF 110 hp — mass-market petrol engine of the passenger segment of the Stellantis group (Франция, 1919). Stage 1 chip tuning raises power from 110 to 145 hp (+35 hp, +32%) and torque from 205 to 270 Nm (+65 Nm). ECU — Siemens/Continental VD56.1. Flashing method: OBD or Bench depending on the unit's protection. A modern petrol engine built in 2020 — a generation with encrypted ECU protection (Tricore TPROT); top engines require Bench.

Citroen is part of the Stellantis group (formerly PSA Peugeot Citroen). The Citroen range covers compacts, saloons, SUVs, MPVs and commercial vehicles. Citroen is a French carmaker, founded in 1919 by Andre Citroen. PureTech is Citroen's badge for its turbo petrol engines. Modern Citroen petrol engines use Tricore ECUs, often requiring Bench. Citroen turbo petrol engines deliver a noticeable gain with Stage 1.

The Citroen community in France and Western Europe has a large pool of Stage files. Stage 1 on Citroen petrol engines gives a noticeable gain. Modern Citroens use Tricore TPROT protection, so a Bench read is required. Mid-range Citroen engines are a mainstream chip tuning subject in Europe. The French Citroen community has a large pool of ready-made Stage files.

Frequently asked questions

What power gain do you get after chip tuning the Citroen C3 1.2 THP Puretech GPF 110 hp?

After Stage 1 the power of the Citroen C3 1.2 THP Puretech GPF 110 hp rises from 110 to 145 hp, a gain of 35 hp (+32%). Torque rises from 205 to 270 Nm (+65 Nm).

How does Stage 1 differ from stock on the Citroen C3?

Stage 1 chip tuning of the Citroen C3 is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +35 hp with no hardware changes.

Can you do Stage 1 on the Citroen C3 1.2 THP Puretech GPF 110 hp?

Yes, Stage 1 for the Citroen C3 1.2 THP Puretech GPF 110 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 Citroen C3?

Stage 2 on the Citroen C3 1.2 THP Puretech GPF 110 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Which ECU is fitted to the Citroen C3 1.2 THP Puretech GPF 110 hp?

The Citroen C3 1.2 THP Puretech GPF 110 hp ECU is the Siemens/Continental VD56.1. Production versions support OBD access; locked variants require Bench (BDM/JTAG).

What happens to the Citroen C3 warranty after chip tuning?

The factory warranty of the Citroen C3 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 Citroen C3 take?

On the Citroen C3 1.2 THP Puretech GPF 110 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 Citroen C3?

Yes, the original ECU firmware of the Citroen C3 1.2 THP Puretech GPF 110 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 Citroen C3?

Stage 1 for the Citroen C3 1.2 THP Puretech GPF 110 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: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno