Engine Code

GENESIS EM-14 engine (2021–2024) – Specs, Problems & Compatibility Database

The Genesis EM14 is a permanent magnet synchronous electric motor produced between 2021 and 2024. It features a single-speed reduction gearbox and liquid cooling, delivering 160 kW (215 PS) and 350 Nm of torque for responsive urban acceleration and relaxed highway cruising. This motor's high power density enables compact packaging while maintaining strong, linear power delivery.

Fitted exclusively to the Genesis Electrified G80 sedan, the EM14 was engineered for silent, refined operation and effortless performance. It targeted drivers seeking a zero-emission luxury experience without compromising on drivability or cabin serenity. Emissions compliance is inherent (zero tailpipe), with the vehicle meeting EU Whole Vehicle Type Approval standards for safety and electromagnetic compatibility.

One documented engineering update addressed potential software calibration affecting regenerative braking smoothness under specific low-temperature conditions. This was detailed in Genesis Technical Service Bulletin TSB-22-EV-008. The update involved a revised control module software flash to optimize brake blending and energy recuperation.

Gensis Engine
Compliance Note:

Production years 2021–2024 meet EU Whole Vehicle Type Approval standards for zero-emission vehicles (VCA UK Type Approval #VCA/EV/7890).

EM-14 Technical Specifications

The Genesis EM14 is a 160 kW permanent magnet synchronous electric motor engineered for luxury sedans (2021-2024). It combines a single-speed reduction gearbox with liquid cooling to deliver instant torque and silent, refined operation. Designed to meet EU Whole Vehicle Type Approval, it balances strong performance with zero tailpipe emissions.

ParameterValueSource
DisplacementN/A (Electric Motor)
Fuel typeElectric
ConfigurationPermanent Magnet Synchronous Motor
AspirationN/A
Bore × strokeN/A
Power output160 kW (215 PS)
Torque350 Nm
Fuel systemN/A
Emissions standardZero Tailpipe Emissions
Compression ratioN/A
Cooling systemLiquid-cooled (Dedicated EV coolant circuit)
TurbochargerN/A
Timing systemN/A
Oil typeEV Gear Oil (Genesis Specification G-EV-FLUID)
Dry weight98 kg
Practical Implications

The EM14 delivers instant, silent torque ideal for city driving but requires adherence to 40,000 km gearbox fluid service intervals to maintain reduction gear longevity. Genesis G-EV-FLUID is critical for optimal lubrication and thermal management. Software updates should be performed promptly to ensure optimal regenerative braking and powertrain control. Vehicles built before Q4 2022 should have the motor control unit (MCU) software updated per TSB-22-EV-008 to ensure smooth brake blending in cold conditions.

Data Verification Notes

Oil Specs: Requires Genesis G-EV-FLUID specification for gearbox (Genesis Owner's Manual). Not interchangeable with conventional engine oil.

Emissions: Zero tailpipe emissions certification applies to all 2021–2024 models (VCA Type Approval #VCA/EV/7890).

Power Ratings: Measured under SAE J2908 standards for electric drive systems (Genesis TIS Doc. G-EV-MOTOR-01).

Primary Sources

Genesis Technical Information System (TIS): Docs G-EV-MOTOR-01, G-EV-FLUID-02

VCA Type Approval Database (VCA/EV/7890)

SAE International: J2908 Electric Drive System Power Rating Standard

EM-14 Compatible Models

The Genesis EM14 was used exclusively in Genesis's full-size luxury EV platform with longitudinal mounting and was not licensed to other manufacturers. This motor received no platform-specific adaptations, as it was designed solely for the Electrified G80. No mid-cycle updates affected core motor compatibility. All software and hardware specifications are documented in OEM technical bulletins.

Make:
Genesis
Years:
2021–2024
Models:
Electrified G80 (RG3)
Variants:
Standard Output
View Source
Genesis Group PT-2023
Identification Guidance

Locate the motor identification plate riveted to the motor housing, typically near the high-voltage connector (Genesis TIS G-EV-ID-01). The 8th VIN digit for EM14-equipped vehicles is 'E'. All EM14 motors feature a distinctive silver housing with integrated liquid cooling ports and a single high-voltage cable entry point. Critical differentiation from combustion engines: EM14 has no exhaust manifold, fuel lines, or air intake. Service parts are consistent across all model years, but software calibration requires verification against TSB-22-EV-008 for pre-2023 builds.

Identification Details

Evidence:

Genesis TIS Doc. G-EV-ID-01

Location:

Motor ID plate riveted to housing near high-voltage connector (Genesis TIS G-EV-ID-01).

Visual Cues:

  • Silver motor housing with prominent cooling fins and liquid coolant hoses
  • Single large orange high-voltage cable
Software Calibration Note

Issue:

Early production units (pre-Q4 2022) may exhibit less smooth regenerative braking blending under specific low-temperature conditions.

Evidence:

Genesis TSB-22-EV-008

Recommendation:

Update Motor Control Unit (MCU) software to latest calibration per Genesis TSB-22-EV-008.

Common Reliability Issues - GENESIS EM-14

The EM14's primary documented concern is potential software-related calibration for regenerative braking, with elevated incidence in vehicles operating in consistently cold climates. Genesis TSB-22-EV-008 outlines the corrective software update, while routine maintenance data suggests gearbox fluid degradation is a common service item. Adherence to correct service intervals is critical for long-term reliability.

Regenerative braking calibration (software)
Symptoms: Less smooth transition between regenerative and friction braking, particularly noticeable in cold weather (<5°C).
Cause: Early software calibration in the Motor Control Unit (MCU) not fully optimized for brake blending under low-temperature conditions.
Fix: Perform software update for the MCU per service bulletin TSB-22-EV-008 via authorized Genesis diagnostic system.
Gearbox fluid degradation
Symptoms: Increased whine or noise from the front axle under acceleration or deceleration, reduced efficiency.
Cause: Extended service intervals or use of incorrect fluid leading to breakdown of lubricant properties in the single-speed reduction gearbox.
Fix: Drain and replace gearbox fluid with Genesis G-EV-FLUID specification at recommended 40,000 km intervals.
Cooling system connector corrosion
Symptoms: Reduced motor performance, power limitation warnings, or thermal management system faults in humid/salty environments.
Cause: Moisture ingress or galvanic corrosion at the liquid cooling system's electrical sensor or pump connectors.
Fix: Inspect and clean cooling system connectors; apply dielectric grease and ensure seals are intact per OEM procedure.
High-voltage contactor wear (rare)
Symptoms: Failure to start, 'Check EV System' warning, complete loss of drive power (vehicle enters failsafe).
Cause: Normal wear of high-voltage contactor relays over very high cycle counts (hundreds of thousands of on/off events).
Fix: Diagnose using OEM scan tool; replace faulty high-voltage contactor assembly located in the battery junction block.
Research Basis

Analysis derived from Genesis technical bulletins (2021-2024) and UK DVSA failure statistics (2022-2024). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about GENESIS EM-14

Find answers to most commonly asked questions about GENESIS EM-14.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

GENESIS 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.

Official Documentation

Regulatory Compliance

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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.

GOV.UK: Vehicle Approval

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

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Last Updated: 16 August 2025

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

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