Engine Code

Honda HONDAEMOTOR Engine (2019–2024) – Specs, Problems & Compatibility Database

The Honda e Motor is a permanent magnet synchronous electric motor powering the Honda e city car from 2019 to 2024. It features a single — speed reduction gear and liquid cooling, delivering instant torque for agile urban driving. In standard configuration, it produces 100 kW (136 PS) and 315 Nm, enabling 0–100 km/h in 8.3 seconds with a WLTP range of 220 km.

Fitted exclusively to the Honda e (BEV), this motor was engineered for zero — emissions city mobility and responsive hand

Honda Engine
Compliance Note:

Production years 2019–2024 meet UN Regulation No. 100 (Rev.3) for electric vehicle safety and ISO 6469 standards for performance.

Honda HONDAEMOTOR Technical Specifications

The Honda e Motor is a 100 kW permanent magnet synchronous electric motor engineered for urban EVs (2019-2024). It combines a single-speed reduction gear with liquid cooling to deliver instant, linear torque and smooth, quiet operation. Designed to meet UN R100 and ISO 6469 standards, it prioritizes efficiency and drivability.

ParameterValueSource
Displacement
N/A (Electric Motor)
Fuel type
Electric
Configuration
Permanent Magnet Synchronous Motor
Aspiration
N/A
Bore × stroke
N/A
Power output
100 kW (136 PS) @ 0–11,000 rpm
Torque
315 Nm @ 0–3,000 rpm
Fuel system
N/A
Emissions standard
Zero Tailpipe Emissions
Compression ratio
N/A
Cooling system
Liquid-cooled
Turbocharger
None
Timing system
N/A
Oil type
Gear oil (specified in manual)
Dry weight
85 kg

Honda HONDAEMOTOR Compatible Models

The Honda e Motor was used exclusively in Honda's Honda e platform with rear-wheel drive mounting and was not licensed to other manufacturers. This motor was designed specifically for the Honda e, with no platform-specific adaptations across variants. All technical details are documented in OEM service manuals.

Make:
Honda
Years:
2019–2024
Models:
Honda e
Variants:
Standard, Advance
View Source
Honda Group PT-2023

Common Reliability Issues - HONDA HONDAEMOTOR Compatible Models

The Honda e Motor's primary reliability consideration is adherence to high-voltage safety protocols and battery care guidelines. Honda service data indicates these systems are highly reliable, while owner reports frequently cite sensitivity to extreme cold affecting range and regen performance. Consistent adherence to service intervals and charging best practices mitigates most long-term concerns.

Reduced regenerative braking in cold weather
Symptoms: Noticeably weaker regenerative braking effect, reduced energy recovery, 'Regen Limited' message on dashboard.
Cause: Battery management system limits regen power to protect the lithium-ion battery from damage when cell temperatures are very low.
Fix: This is a normal, protective function. Performance returns to normal once the battery warms up through driving or preconditioning. Precondition the battery while plugged in before driving in cold weather.
12V auxiliary battery drain
Symptoms: Vehicle fails to start (no power), warning lights for 12V system, loss of key fob functionality.
Cause: Parasitic drain from the vehicle's always-on systems (e.g., telematics, alarm) can deplete the 12V battery if the car is left unused for extended periods without being plugged in.
Fix: Keep the vehicle plugged in if not in use for more than a week. If the 12V battery is depleted, use a standard 12V jump starter or charger. Replace the 12V battery if it fails to hold a charge.
Cooling system pump failure
Symptoms: Reduced motor performance, 'Powertrain Overheating' warning, check hybrid system light (misleadingly labeled).
Cause: Failure of the electric coolant pump responsible for circulating coolant through the motor and power electronics, often due to electrical fault or bearing wear.
Fix: Replace the faulty coolant pump with the latest OEM part. Ensure coolant level and condition are correct.
Reduction gearbox whine
Symptoms: High-pitched whining or howling noise that increases with vehicle speed, most noticeable during acceleration or deceleration.
Cause: Wear or manufacturing defect in the bearings or gears of the single-speed reduction gearbox.
Fix: Replace the entire reduction gearbox assembly with a new OEM unit. This is a complex, labor-intensive repair.
Research Basis

Analysis derived from Honda technical bulletins (2019-2024) and aggregated owner-reported data (2020-2024). Repair procedures should follow manufacturer guidelines.

HONDA HONDAEMOTOR FAQ Common Questions Answered

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

Electric motors are inherently very reliable due to fewer moving parts. The Honda e Motor is expected to last the lifetime of the vehicle with minimal maintenance. The primary long-term considerations are the health of the high-voltage battery and the 12V auxiliary battery, not the motor itself.

The motor itself rarely fails. Common issues are related to the supporting systems: 12V battery drain if the car sits unplugged, reduced regenerative braking in cold weather (normal), occasional coolant pump failures, and rare gearbox whine. These are well-documented in Honda service bulletins.

The Honda e Motor is used exclusively in the Honda e (BEV), produced from 2019 to 2024. It was not used in the CR-V Hybrid, Accord Hybrid, or any other Honda model.

Officially, no. Honda does not offer performance upgrades. Unofficially, software tuning is theoretically possible but extremely risky, voids the warranty, and can damage the motor, battery, or power electronics. It is not recommended.

The WLTP range is 220 km, but real-world range varies. In summer, 180-200 km is achievable. In winter, especially with heating, range can drop to 120-150 km. Aggressive driving and high speeds also significantly reduce range.

The electric motor itself requires no oil. However, the single-speed reduction gearbox contains gear oil that should be inspected and replaced at very long intervals (e.g., 100,000 km or as specified in the owner's manual) to ensure long-term reliability.

Electric motors are designed to last hundreds of thousands of kilometers. The Honda e Motor is expected to outlast the vehicle's body and high-voltage battery. With proper care and adherence to service schedules, it should require no major repairs during the car's operational life.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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Regulatory Stability

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

Primary Sources

HONDA 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.

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Last Updated: 25 Feb 2026

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

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