Engine Code

Nissan E-POWER Engine (2016–Present) – Specs, Problems & Compatibility Database

The Nissan e — POWER is a series hybrid powertrain introduced in 2016, combining a 1.2L or 1.5L petrol engine (HR12DE/HR15DE) exclusively as a generator with a 100–170 kW electric drive motor. It features no mechanical connection between the engine and wheels, delivering pure EV driving dynamics with the convenience of petrol refueling. Power output is determined solely by the electric motor, providing instant torque and quiet operation.

Fitted to models such as the Not

BMW N47D20A Engine
Compliance Note:

All production years meet Euro 6d and Japan 2020 Post New Long-Term emissions standards depending on market (Nissan Emissions Compliance Doc. eP-EU6-16).

Nissan E-POWER Technical Specifications

The Nissan e-POWER is a series hybrid powertrain engineered for compact and mid-size vehicles (2016-Present). It combines a small, efficient petrol engine acting solely as a generator with a high-output electric motor for propulsion. Designed to meet current emissions standards, it offers EV-like driving with the refueling convenience of petrol.

ParameterValueSource
Displacement
1,198 cc (HR12DE) / 1,498 cc (HR15DE)
Fuel type
Petrol (Generator only)
Configuration
Inline-3 (HR12DE) / Inline-4 (HR15DE), DOHC
Aspiration
Naturally aspirated
Bore × stroke
78.0 mm × 83.6 mm (HR12DE) / 78.0 mm × 78.8 mm (HR15DE)
Power output
100 kW (Note) / 140 kW (Kicks) / 170 kW (Qashqai e-POWER)
Torque
254 Nm (Note) / 300 Nm (Kicks) / 330 Nm (Qashqai e-POWER)
Fuel system
Sequential multi-port fuel injection
Emissions standard
Euro 6d / Japan 2020 Post New Long-Term
Compression ratio
12.0:1 (HR12DE) / 12.5:1 (HR15DE)
Cooling system
Water-cooled (Engine & Power Inverter)
Turbocharger
None
Timing system
Chain-driven
Oil type
API SN/SP 0W-20
Battery type
Lithium-ion (1.57 kWh Note / 2.1 kWh Qashqai)

Nissan E-POWER Compatible Models

The Nissan e-POWER system was introduced across Nissan's B-segment and C-segment platforms with transverse mounting. This powertrain received platform-specific adaptations-a more powerful motor in the Qashqai and enhanced battery cooling in the Kicks-and from 2023 minor software revisions for improved energy management, creating minor calibration differences. All adaptations are documented in OEM technical bulletins.

Make:
Nissan
Years:
2016–Present
Models:
Note (E13)
Variants:
e-POWER
View Source
Nissan Group PT-2023
Make:
Nissan
Years:
2020–Present
Models:
Kicks (P15)
Variants:
e-POWER
View Source
Nissan ETK Doc. eP-001
Make:
Nissan
Years:
2022–Present
Models:
Qashqai (J12)
Variants:
e-POWER
View Source
Nissan Service Manual SM-HY-16
Make:
Nissan
Years:
2022–Present
Models:
X-Trail (T33)
Variants:
e-POWER
View Source
Nissan Group PT-2023

Common Reliability Issues - NISSAN E-POWER Compatible Models

The e-POWER's primary reliability risk is lithium-ion battery capacity degradation in vehicles subjected to sustained high ambient temperatures. Nissan internal service data indicated a notable rate of reduced electric range complaints in hot climates after 80,000 km, while common owner reports highlight 12V auxiliary battery failures as a secondary concern. Infrequent software updates can lead to suboptimal energy management, making adherence to the maintenance schedule critical.

Lithium-Ion Traction Battery Degradation
Symptoms: Reduced electric-only driving range, increased frequency of engine generator operation, 'Check Hybrid System' warning light.
Cause: Accelerated aging of lithium-ion cells due to prolonged exposure to high ambient temperatures, leading to reduced charge acceptance and capacity.
Fix: Monitor battery health via dealer diagnostics. In severe cases, individual cell modules or the entire pack may require replacement per Nissan Technical Bulletin NTB21-055.
12V Auxiliary Battery Failure
Symptoms: Vehicle fails to start (no power to systems), multiple warning lights on dashboard, inability to shift out of Park.
Cause: The 12V battery is constantly charged by the DC-DC converter from the high-voltage system. If the vehicle is left unused for extended periods, the 12V battery can discharge completely, leading to sulfation and failure.
Fix: Replace the 12V auxiliary battery with an OEM-specified AGM type. Use a battery maintainer if the vehicle will be parked for more than two weeks.
Power Inverter Overheating
Symptoms: Reduced power output, 'limp mode', warning lights for hybrid system, cooling fans running at high speed constantly.
Cause: Clogged or failed cooling system for the power inverter module, often due to neglected coolant changes or debris blocking the radiator.
Fix: Inspect and flush the inverter cooling circuit. Replace coolant with OEM specification. Clean radiator and condenser fins. Replace inverter if internal fault is confirmed.
Engine Generator Mount Wear
Symptoms: Vibration or knocking noise from the engine bay when the generator is running, especially under high load.
Cause: Degradation of the hydraulic engine mounts designed to isolate generator noise and vibration, exacerbated by constant on/off cycling.
Fix: Replace worn engine mounts with updated OEM parts to restore NVH performance and prevent stress on ancillary components.
Research Basis

Analysis derived from Nissan technical bulletins (2016-Present) and aggregated owner-reported failure data (2016-2023). Repair procedures should follow manufacturer guidelines.

NISSAN E-POWER 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-POWER system is generally very reliable, leveraging proven Nissan EV and engine technology. Its main long-term concerns are the 12V auxiliary battery and potential traction battery degradation in hot climates. With regular maintenance and software updates, the system is designed for the vehicle's full lifespan. The lack of a complex transmission is a significant durability advantage.

The most frequent issues are premature failure of the 12V auxiliary battery, reduced capacity of the lithium-ion traction battery in hot climates, and overheating of the power inverter due to cooling system neglect. Engine generator mount wear can also cause NVH issues. These are documented in Nissan service bulletins and owner reports.

The e-POWER system is currently available in the Nissan Note (E13, 2016-Present), Nissan Kicks (P15, 2020-Present), Nissan Qashqai (J12, 2022-Present), and Nissan X-Trail (T33, 2022-Present). It is Nissan's flagship electrified powertrain for global markets outside North America.

No, the e-POWER system cannot be meaningfully tuned for more power. The electric motor's output is fixed by its hardware and tightly controlled by proprietary software for safety and battery longevity. Any attempts to modify the system would likely void the warranty and could cause serious damage to the power electronics.

Fuel economy is excellent for its class. Expect around 3.8–4.5 L/100km (74–63 mpg UK) in combined driving for a Note e-POWER. The Qashqai e-POWER returns around 5.5–6.2 L/100km (51–46 mpg UK). Actual consumption depends heavily on driving style, as aggressive acceleration draws more power from the generator.

No. The e-POWER system has no traditional multi-speed gearbox. Power from the electric motor is delivered directly to the wheels through a single-speed reduction gear, providing smooth, seamless acceleration without any gear shifts, just like a pure electric vehicle.

The petrol generator engine requires API SN or SP grade 0W-20 engine oil. Using a high-quality, low-viscosity synthetic oil is crucial for maximizing the generator's efficiency and minimizing friction, as it operates frequently at varying loads to charge the battery.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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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

NISSAN 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

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Last Updated: 25 Feb 2026

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

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