Citroen C4 Picasso 1.6 HDI (citroen) 110 hp — Stage 1 file (+26 hp)

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Chip tuning for Citroen C4 Picasso 1.6 HDI (citroen) 110 hp ECU

Citroen C4 Picasso (2007) 1.6 HDI (citroen) 110 hp — mass-market diesel engine of the passenger segment of the Stellantis group (Франция, 1919). Stage 1 chip tuning raises power from 110 to 136 hp (+26 hp, +24%) and torque from 240 to 300 Nm (+60 Nm). This engine ships with different ECU variants: Bosch EDC16C0, Bosch EDC16C34, Siemens/Continental SID807. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 3 configurations · 3 ECU variants. Diesel engines built in 2007 — the era of classic Common Rail without strong encryption.

Citroen has a history of innovation, from hydropneumatic suspension to front-wheel drive. Citroen shares platforms and engines with Peugeot, Opel/Vauxhall and DS within Stellantis. Citroen is part of the Stellantis group (formerly PSA Peugeot Citroen). Mid-range Citroen diesels are a mainstream chip tuning subject.

The Citroen community in France and Western Europe has a large pool of Stage files. ECUs are standardised across Stellantis, so Citroen files often work on Peugeot/Opel/DS. Stage 1 on Citroen diesels delivers a noticeable torque gain. 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

How much does the power of the Citroen C4 Picasso 1.6 HDI (citroen) 110 hp increase after Stage 1?

Stage 1 chip tuning on the Citroen C4 Picasso 1.6 HDI (citroen) 110 hp boosts engine output by 26 hp: from 110 to 136 hp. Torque rises from 240 to 300 Nm (+60 Nm).

What changes in the Citroen C4 Picasso ECU after Stage 1?

Stage 1 chip tuning of the Citroen C4 Picasso is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +26 hp with no hardware changes.

Can you do Stage 1 on the Citroen C4 Picasso 1.6 HDI (citroen) 110 hp?

Yes, Stage 1 for the Citroen C4 Picasso 1.6 HDI (citroen) 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 C4 Picasso?

Stage 2 for the Citroen C4 Picasso 1.6 HDI (citroen) 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 ECUs are found on the Citroen C4 Picasso 1.6 HDI (citroen) 110 hp?

The Citroen C4 Picasso 1.6 HDI (citroen) 110 hp was fitted with different ECUs depending on the year and trim: Bosch EDC16C0, Bosch EDC16C34, Siemens/Continental SID807. The write method (OBD, Bench, Boot) is determined when the unit is read.

What happens to the Citroen C4 Picasso warranty after chip tuning?

The factory warranty of the Citroen C4 Picasso 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 C4 Picasso take?

On the Citroen C4 Picasso 1.6 HDI (citroen) 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 C4 Picasso?

Yes, the original ECU firmware of the Citroen C4 Picasso 1.6 HDI (citroen) 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 C4 Picasso?

Stage 1 for the Citroen C4 Picasso 1.6 HDI (citroen) 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