Citroen C4 Cactus 1.2 THP Puretech 110 hp — Stage 1 file (+35 hp)

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Chip tuning for Citroen C4 Cactus 1.2 THP Puretech 110 hp ECU

Citroen C4 Cactus (2017) 1.2 THP Puretech 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). This engine ships with different ECU variants: Valeo VD46.1, Siemens/Continental VD56.1, Valeo VD56.1. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 6 configurations · 3 ECU variants. A petrol engine built in 2017 — a Tricore platform without strong protection; OBD access works.

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. The Citroen petrol range is shared with Peugeot and Opel within Stellantis. Citroen turbo petrol engines deliver a noticeable gain with Stage 1. PureTech is Citroen's badge for its turbo petrol engines.

Stage 1 on Citroen petrol engines gives a noticeable gain. On older-generation Citroens, Stage 1 is flashed via OBD without a bench. ECUs are standardised across Stellantis, so Citroen files often work on Peugeot/Opel/DS. The French Citroen community has a large pool of ready-made Stage files. Mid-range Citroen engines are a mainstream chip tuning subject in Europe.

Frequently asked questions

What power gain do you get after chip tuning the Citroen C4 Cactus 1.2 THP Puretech 110 hp?

Stage 1 for the Citroen C4 Cactus 1.2 THP Puretech 110 hp adds +35 hp — power increases from 110 to 145 hp (+32%). Torque rises from 205 to 270 Nm (+65 Nm).

What does a Stage 1 remap of the Citroen C4 Cactus 1.2 THP Puretech 110 hp include?

Stage 1 is a software optimization of the factory ECU firmware of the Citroen C4 Cactus with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +35 hp with no hardware changes.

What is the risk of Stage 1 on the Citroen C4 Cactus 1.2 THP Puretech 110 hp?

A remap of the Citroen C4 Cactus 1.2 THP Puretech 110 hp is safe — the factory calibration in this mid-range class is conservative, leaving genuine headroom for Stage 1 with no hardware changes.

What is Stage 2 for the Citroen C4 Cactus 1.2 THP Puretech 110 hp?

Stage 2 for the Citroen C4 Cactus 1.2 THP Puretech 110 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.

Which control units is the Citroen C4 Cactus 1.2 THP Puretech 110 hp built with?

The Citroen C4 Cactus 1.2 THP Puretech 110 hp comes with 3 ECU variants: Valeo VD46.1, Siemens/Continental VD56.1, Valeo VD56.1. Calibration is done for the specific unit after the revision is identified.

Does the factory warranty of the Citroen C4 Cactus remain valid after Stage 1?

After remapping the Citroen C4 Cactus, 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 Citroen C4 Cactus?

Reading and writing via OBD takes 25-30 minutes on the Citroen C4 Cactus. 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 Citroen C4 Cactus?

Before Stage 1 the original of the Citroen C4 Cactus 1.2 THP Puretech 110 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Citroen C4 Cactus 1.2 THP Puretech 110 hp cost?

The remap price for the Citroen C4 Cactus 1.2 THP Puretech 110 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: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno