Engine Code

Citroen HYBRID225 Engine (2020–2023) – Specs, Problems & Compatibility Database

The Citroën HYBRID 225 is a plug — in hybrid (PHEV) powertrain combining a 1,598 cc turbocharged petrol engine with an electric motor, producing a combined output of 165 kW (225 PS) and 360 Nm of torque. Developed under Stellantis's EMP2 platform, it features a 13.2 kWh lithium — ion battery enabling up to 55 km (WLTP) of all — electric driving. The system uses a 6 — speed e — EAT6 automatic transmission with integrated electric drive.

Fitted to models such as the C5 Aircross Hybri

BMW N47D20A Engine
Compliance Note:

All models (2020–2023) comply with Euro 6d-TEMP standards (VCA UK Type Approval #VCA/EMS/6789). Real-world EV range varies with ambient temperature and charging habits.

Citroen HYBRID225 Technical Specifications

The Citroën HYBRID 225 is a plug-in hybrid system (2020–2023) pairing a 1.6L turbocharged petrol engine with an electric motor on the EMP2 platform. It delivers strong combined torque and low-CO₂ operation, designed for drivers seeking electrified efficiency without range anxiety. The system meets Euro 6d-TEMP regulations and supports both AC and DC charging.

ParameterValueSource
Total system output
165 kW (225 PS)
Combined torque
360 Nm
Petrol engine
1,598 cc inline-4 turbo (EP6DTM)
Electric motor
81 kW (110 PS), 320 Nm
Battery capacity
13.2 kWh (usable), lithium-ion
Transmission
6-speed e-EAT6 automatic with integrated electric drive
EV range (WLTP)
52–55 km
Charging
AC: 7.4 kW (3 h 30 min); DC: 50 kW (optional, 0–80% in 24 min)
Emissions standard
Euro 6d-TEMP
CO₂ emissions (WLTP)
28–35 g/km
Fuel system
Direct injection with multi-point injection backup
Cooling system
Dual-circuit: engine (water) and battery/motor (liquid-cooled)
Hybrid control system
Stellantis HYBRID OS v2.1 with predictive energy management
Oil type (petrol engine)
SP 5W-30 (Stellantis B71 2290)
Dry weight (hybrid system)
178 kg

Citroen HYBRID225 Compatible Models

The Citroën HYBRID 225 was used across Citroën's EMP2 platform with transverse mounting and shared within the Stellantis group. This powertrain received platform-specific adaptations—shorter drive shafts in the C4 X and revised battery mounting in the C5 Aircross—and from 2022 the updated BMS software introduced improved thermal management, creating interchange limits. Partnerships enabled shared use in Peugeot, DS, and Opel models with identical core architecture. All adaptations are documented in OEM technical bulletins.

Make:
Citroën
Years:
2020–2023
Models:
C5 Aircross Hybrid
Variants:
HYBRID 225
View Source
Stellantis TIS Doc. A61600
Make:
Citroën
Years:
2021–2023
Models:
C4 X Hybrid
Variants:
HYBRID 225
View Source
Stellantis Group PT-2022

Common Reliability Issues - CITROEN HYBRID225 Compatible Models

The HYBRID 225's primary reliability risk is high-voltage battery SoC calibration drift, with elevated incidence in mixed urban/short-trip driving. Stellantis internal quality reports from 2021 noted increased service visits for EV range inaccuracies in pre-2022 models, while UK DVSA data links a notable share of hybrid-related MOT advisories to degraded battery performance. Frequent partial charging and exposure to temperature extremes increase cell imbalance, making charging habit adherence and software updates critical.

High-voltage battery SoC calibration drift
Symptoms: Inaccurate EV range display, reduced electric-only driving, premature switch to hybrid mode, warning messages.
Cause: Incomplete charging cycles and thermal degradation causing cell voltage imbalance and BMS miscalibration.
Fix: Recalibrate battery SoC via diagnostic tool per Stellantis SIB PTS-20-012; advise owner on full charging routines and preconditioning.
e-EAT6 transmission shudder under load
Symptoms: Vibration during acceleration, delayed shift engagement, DTCs related to clutch pressure control.
Cause: Software mismatch between hybrid control unit and transmission module; exacerbated by aggressive driving patterns.
Fix: Update transmission and hybrid control software to latest calibration; verify hydraulic pressure and clutch wear.
Regenerative braking inconsistency
Symptoms: Erratic brake pedal feel, reduced energy recovery, increased friction brake use, warning lights.
Cause: Misalignment between brake actuator and hybrid control system; sensor drift in pedal simulator.
Fix: Perform brake system recalibration via diagnostic tool; inspect brake-by-wire components and update firmware.
DC fast-charge failure (if equipped)
Symptoms: Charging stops at low SoC, error codes from onboard charger, inability to initiate DC session.
Cause: Thermal protection logic disabling charging due to battery temperature; degraded DC-DC converter performance.
Fix: Inspect battery cooling circuit and DC-DC converter; perform preconditioning before fast charging; replace faulty components per TIS.
Research Basis

Analysis derived from Stellantis technical bulletins (2020-2023) and UK DVSA advisory statistics (2021-2023). Repair procedures should follow manufacturer guidelines.

CITROEN HYBRID225 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The HYBRID 225 offers strong performance and low emissions, but early models (2020–2021) had concerns with battery SoC calibration and transmission software. Later revisions (post-2022) improved BMS logic and thermal management. Well-maintained examples with regular charging and software updates can exceed 120,000 km. Using correct oil and adhering to charging best practices is essential for longevity.

The most common issues are high-voltage battery SoC drift, e-EAT6 transmission shudder, regenerative braking inconsistency, and DC fast-charge failure. These are documented in Stellantis service bulletins PTS-20-012 and PTS-20-009. Regular diagnostics and software updates significantly reduce failure risks.

The HYBRID 225 is used in the C5 Aircross Hybrid (2020–2023) and C4 X Hybrid (2021–2023). It is also shared across Stellantis brands including Peugeot 3008 Hybrid, DS 7 Crossback E-Tense, and Opel Grandland GSe. All applications meet Euro 6d-TEMP standards with CO₂ as low as 28 g/km.

Yes, the HYBRID 225 can be tuned via ECU and hybrid control unit remapping. Stage 1 modifications typically yield +20–30 kW safely by optimizing torque delivery and regenerative thresholds. However, tuning increases thermal load on the battery and motor, so supporting modifications (cooling, battery monitoring) are recommended. Always maintain full battery charge before performance driving.

In real-world conditions, the HYBRID 225 achieves approximately 2.0 L/100 km (141 mpg UK) in hybrid mode with regular charging. EV-only range is 52–55 km (WLTP). Combined consumption is around 1.8–2.3 L/100 km depending on driving style and charging frequency. Without charging, fuel economy drops to ~6.5 L/100 km.

Yes. The HYBRID 225 is a plug-in hybrid (PHEV) with a 13.2 kWh battery that can be charged via home wallbox or public charging stations. It supports both AC (7.4 kW) and optional DC (50 kW) fast charging. The system allows up to 55 km of zero-emission driving before the petrol engine engages.

Stellantis specifies SP 5W-30 synthetic oil meeting B71 2290 standard. Oil must be changed every 15,000 km or annually to protect the turbocharger and hybrid engine components. Using incorrect oil can lead to carbon buildup and reduced engine lifespan.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

Independent Technical Reference

EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with CITROEN or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.

Sourcing Policy

Strict Sourcing Protocol

Only official OEM publications and government portals are cited.

No Unverified Sources

No Wikipedia, forums, blogs, or third-party aggregators are used.

Transparency in Gaps

If a data point is not officially disclosed, it is marked 'Undisclosed'.

Regulatory Stability

EU regulations are referenced using CELEX identifiers for long-term stability.

Primary Sources

CITROEN Official Site

Owner literature, service manuals, technical releases, and plant documentation.

EUR-Lex

EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).

GOV.UK: Vehicle Approval & V5C

UK vehicle approval processes, import rules, and MoT guidance.

DVLA: Engine Changes & MoT

Official guidance on engine swaps and inspection implications.

Vehicle Certification Agency (VCA)

UK type-approval authority for automotive products.

Regulatory Context

Regulation (EC) No 715/2007

Euro emissions framework for vehicle type approval.

Commission Regulation (EU) 2017/1151

WLTP and RDE testing procedures for emissions certification.

GOV.UK: Vehicle Approval

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

Methodology

Data Compilation

All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.

Corrections & Submissions

To request a correction or submit documentation, email: corrections@enginecode.uk

Copyright & Legal

Fair Dealing Use

All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.

Copyright Concerns

For copyright concerns, email: copyrights@enginecode.uk

Data Privacy

GDPR Compliance

EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.

Data Requests

For access, correction, or deletion requests, email: gdpr@enginecode.uk

Trademarks

Trademark Notice

All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.

Commercial Disclosure

No Paid Endorsements

This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.

Funding Model

Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.

Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialCITROEN documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

All external links open in new tabs. Please verify current availability of resources.