Citroen C4 1.2 THP Puretech GPF 155 hp — Stage 1 file (+10 hp)
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Stage 1 file for Citroen C4 1.2 THP Puretech GPF 155 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Citroen C4 1.2 THP Puretech GPF 155 hp ECU
Citroen C4 (2020) 1.2 THP Puretech GPF 155 hp — mass-market petrol engine of the passenger segment of the Stellantis group (Франция, 1919). Stage 1 chip tuning raises power from 155 to 165 hp (+10 hp, +6%) and torque from 240 to 275 Nm (+35 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 shares platforms and engines with Peugeot, Opel/Vauxhall and DS within Stellantis. Citroen is part of the Stellantis group (formerly PSA Peugeot Citroen). The Citroen range covers compacts, saloons, SUVs, MPVs and commercial vehicles. 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 is the Stage 1 effect on the Citroen C4 1.2 THP Puretech GPF 155 hp?
After Stage 1 the power of the Citroen C4 1.2 THP Puretech GPF 155 hp rises from 155 to 165 hp, a gain of 10 hp (+6%). Torque rises from 240 to 275 Nm (+35 Nm).
How does Stage 1 differ from stock on the Citroen C4?
Stage 1 on the Citroen C4 1.2 THP Puretech GPF 155 hp is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +10 hp with no hardware changes.
Is a Stage 1 remap safe for the 1.2 THP Puretech GPF 155 hp?
Stage 1 on the Citroen C4 1.2 THP Puretech GPF 155 hp is developed while keeping the factory AFR, knock control and temperature limits. Engine life is preserved provided regular maintenance is carried out.
How does Stage 2 differ from Stage 1 on the Citroen C4 1.2 THP Puretech GPF 155 hp?
Stage 2 on the Citroen C4 1.2 THP Puretech GPF 155 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
What control unit does the Citroen C4 1.2 THP Puretech GPF 155 hp run?
The control unit of the Citroen C4 1.2 THP Puretech GPF 155 hp is the Siemens/Continental VD56.1. Before flashing, the engineer identifies the exact revision and selects the write method.
Does Stage 1 void the warranty on the Citroen C4?
Stage 1 on the Citroen C4 voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.
How quickly is chip tuning of the Citroen C4 1.2 THP Puretech GPF 155 hp done?
The full remap cycle for the Citroen C4 — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.
Can you return to stock after Stage 1 on the Citroen C4?
The original Citroen C4 ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.
How much does Stage 1 cost for the Citroen C4 1.2 THP Puretech GPF 155 hp?
The cost of Stage 1 for the Citroen C4 1.2 THP Puretech GPF 155 hp is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.