Renault E-TECH-PHEV Engine (2022–2025) – Specs, Problems & Compatibility Database

The Renault E — Tech PHEV is a plug — in hybrid powertrain combining a 1,598 cc, inline‑four turbocharged petrol engine with two electric motors and a 19.2 kWh lithium — ion battery. Produced from 2022 onward, it features direct fuel injection, dual overhead camshafts (DOHC), and a dedicated hybrid transmission with multi — mode clutchless operation. System output totals 180 kW (245 PS) and 400 Nm of torque, engineered for zero — emission urban driving and efficient highway…

Renault Engine
Compliance Note:

All production years (2022–2025) meet Euro 6d standards .

Renault E-TECH-PHEV Technical Specifications

The Renault E-Tech PHEV is a 1,598 cc inline‑four turbocharged petrol engine paired with dual electric motors and a 19.2 kWh battery, engineered for compact and crossover applications (2022–2025). It combines direct injection with a clutchless multi-mode transmission to deliver zero-emission urban driving and efficient hybrid highway performance. Designed to meet Euro 6d standards, it balances electric range with regulated emissions.

ParameterValueSource
Displacement
1,598 cc
Fuel type
Petrol
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Turbocharged
Bore × stroke
78.0 mm × 83.6 mm
Combined system output
180 kW (245 PS)
Combined torque
400 Nm
Fuel system
Bosch HDP6 direct injection (up to 350 bar)
Emissions standard
Euro 6d
Compression ratio
10.5:1
Cooling system
Water‑cooled (dual circuit: engine + power electronics)
Turbocharger
Single variable‑geometry turbo (Garrett)
Transmission
Clutchless multi-mode hybrid (2-motor, 4-speed dedicated hybrid gearbox)
Oil type
Renault RN0720 (SAE 5W‑30)
Battery capacity
19.2 kWh (lithium-ion, liquid-cooled)
Electric-only range
Up to 50 km (WLTP)

Renault E-TECH-PHEV Compatible Models

The Renault E-Tech PHEV was developed exclusively for Renault's CMF-EV and CMF-C platforms with transverse mounting and no cross-manufacturer licensing. This powertrain received platform-specific adaptations—reinforced subframes in the Austral and revised cooling ducting in the Mégane E-Tech—and from 2024 the updated control software improved electric-to-petrol transition smoothness, creating minor calibration interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Renault
Years:
2022–2025
Models:
Mégane E-Tech Plug-in
Variants:
E-Tech PHEV 245
View Source
Renault Group PT-2023
Make:
Renault
Years:
2022–2025
Models:
Austral
Variants:
E-Tech PHEV 245
View Source
Renault TIS Doc. ET‑A24901

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Common Reliability Issues - RENAULT E-TECH-PHEV Compatible Models

Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.

Transmission input shaft bearing wear
Symptoms: Whining or grinding noise during petrol engine start-up, vibration during mode transitions, reduced shift smoothness.
Cause: Marginal lubrication of early-design bearing during frequent electric-to-petrol transitions, exacerbated by cold starts and short trips.
Fix: Replace input shaft bearing with updated material per Renault SIB 22H03; update hybrid control software to optimize engine re-engagement strategy.
Battery thermal management faults
Symptoms: Reduced electric range, power limitation, MIL illumination with U0401 or P0A80 codes.
Cause: Coolant pump degradation or sensor drift in liquid-cooling circuit reduces battery temperature control efficiency.
Fix: Inspect and replace coolant pump or temperature sensors as needed; verify battery module voltages and perform capacity test per TIS procedure.
GPF regeneration interference
Symptoms: Limp mode, reduced power, frequent forced regenerations despite low mileage.
Cause: Infrequent petrol engine operation in predominantly electric use prevents passive GPF regeneration, leading to soot accumulation.
Fix: Force regeneration via diagnostics; advise driver to enable 'Save Battery' mode periodically to maintain engine operation for emissions system health.
DC-DC converter overheating
Symptoms: 12V battery charging faults, dashboard warning lights, intermittent electrical shutdowns.
Cause: Thermal stress on power electronics during sustained high-load hybrid operation, especially in hot ambient conditions.
Fix: Inspect cooling ducts and airflow to DC-DC converter; replace unit with latest OEM part if thermal protection thresholds are exceeded.
Research Basis

Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.

RENAULT E-TECH-PHEV FAQ Common Questions Answered

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

The E-Tech PHEV offers excellent electric range and smooth hybrid transitions, but early units (2022–2023) have known transmission input shaft bearing wear under frequent urban electric use. Post-2024 revisions improved durability. With strict adherence to oil changes (Renault RN0720, every 20,000 km) and balanced driving modes, it can be reliable beyond 150,000 km.

Top issues include transmission input shaft bearing wear, battery thermal management faults, GPF regeneration interference due to low engine use, and DC-DC converter overheating. These are documented in Renault SIB 22H03 and TIS updates, not anecdotal reports.

The E-Tech PHEV 245 appears in the Mégane E-Tech Plug-in (2022–2025) and Austral (2022–2025). It is distinct from the mild-hybrid E-Tech variants and is not shared with Nissan or other manufacturers.

Limited tuning potential exists. ECU remaps may yield +5–10 kW by optimizing petrol engine output, but the hybrid control strategy and electric motor limits are tightly integrated. Significant power increases are not OEM-supported and risk inverter or battery damage.

Exceptional when charged regularly. In mixed driving with daily charging, expect ~2.0 L/100km (combined), or ~140 mpg UK equivalent. Without charging, consumption rises to ~6.5 L/100km (~43 mpg UK). Real-world economy depends heavily on electric usage patterns and climate.

Yes. The petrol component (H4F turbo) is an interference design. Timing chain failure (rare) can cause piston-to-valve contact. However, the chain is front-mounted and robust when maintained with correct oil and intervals.

Renault specifies RN0720 (5W-30) synthetic oil meeting ACEA C2/C3. This low-SAPS formulation protects the GPF and ensures proper lubrication of the hybrid transmission interface. Always use OEM-approved oil and change every 20,000 km or 12 months.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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Primary Sources

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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.

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Type-approval guidance and documentation.

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