Suzuki SHVS Engine (2016-present) – Specs, Problems & Compatibility Database

The Suzuki SHVS (Smart Hybrid Vehicle by Suzuki) is a mild hybrid system introduced in 2016, combining a 1.2L or 1.4L petrol engine with an integrated starter generator (ISG) and lithium — ion battery. This system delivers 66 — 88 kW (88 — 118 PS) from the petrol engine plus up to 3.1 kW (4.2 PS) from the electric motor, providing torque assistance during acceleration and enabling start — stop functionality. The compact design maintains vehicle packaging while improving fuel…

Suzuki Engine
Compliance Note:

Production years 2016-2018 meet Euro 6 standards; 2019-present models achieve Euro 6d-TEMP compliance with enhanced emissions control .

Suzuki SHVS Technical Specifications

The Suzuki SHVS is a mild hybrid system engineered for compact and mid-size vehicles (2016-present). It combines a downsized petrol engine with an integrated starter generator and lithium-ion battery to deliver improved fuel efficiency and reduced emissions. Designed to meet Euro 6 and Euro 6d-TEMP standards, it balances everyday performance with environmental compliance without the complexity of full hybrid systems.

ParameterValueSource
Displacement
1,242 cc (K12C) or 1,373 cc (K14D)
Fuel type
Petrol/Electric
Configuration
Inline-4, DOHC, 16-valve
Aspiration
Naturally aspirated
Bore × stroke
73.0 mm × 74.2 mm (K12C) or 73.0 mm × 82.0 mm (K14D)
Power output
66-88 kW (88-118 PS) petrol + 3.1 kW (4.2 PS) electric
Torque
118-150 Nm @ 4,400 rpm petrol + 50 Nm @ 1,000 rpm electric
Fuel system
Multi-point fuel injection
Emissions standard
Euro 6 (2016-2018); Euro 6d-TEMP (2019-present)
Compression ratio
12.0:1 (K12C) or 12.5:1 (K14D)
Cooling system
Water-cooled
Turbocharger
Not applicable
Timing system
Chain-driven
Oil type
Refer to vehicle handbook / manufacturer specification
Dry weight
115 kg (engine) + 25 kg (hybrid system)

Suzuki SHVS Compatible Models

The Suzuki SHVS was used across Suzuki's Swift, Baleno, Vitara, and S-Cross platforms with transverse mounting and exclusive to Suzuki models. This system received platform-specific adaptations-enhanced cooling in the Vitara and revised power management in the Swift Sport-and from 2019 the facelifted Baleno featured an improved battery management system, creating interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Suzuki
Years:
2017-present
Models:
Swift (Fourth Generation)
Variants:
1.2 SHVS, 1.2 Dualjet SHVS
View Source
Suzuki Parts Catalog #SWF-17-P
Make:
Suzuki
Years:
2016-present
Models:
Baleno
Variants:
1.2 SHVS, 1.2 Dualjet SHVS
View Source
Suzuki Parts Catalog #BLN-16-P
Make:
Suzuki
Years:
2018-present
Models:
Vitara
Variants:
1.4 Boosterjet SHVS, 1.4 SHVS
View Source
Suzuki Parts Catalog #VIT-18-P
Make:
Suzuki
Years:
2017-present
Models:
S-Cross
Variants:
1.4 Boosterjet SHVS, 1.4 SHVS
View Source
Suzuki Parts Catalog #SCS-17-P

Looking for a replacement Suzuki engine?

Free to submit · No obligation to buy

Engine Finders UK Ltd, which operates EngineCode.uk, can pass your enquiry to engine suppliers in the UK. The service is for vehicles in the United Kingdom, with UK delivery or fitting. This is a commercially connected service, and sending an enquiry does not confirm diagnosis or compatibility.

Diagnostic reminder: If a technician has recommended replacing the engine, you can send an enquiry to engine suppliers in the UK. Confirm the diagnosis first: an engine-code record does not diagnose a fault.

Common Reliability Issues - SUZUKI SHVS 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.

12V battery degradation
Symptoms: Intermittent start-stop operation, reduced fuel economy, battery warning light illumination, difficulty starting after short trips.
Cause: Original 12V battery design prone to premature degradation due to frequent cycling in hybrid applications, exacerbated by short trips and extreme temperatures.
Fix: Replace 12V battery with enhanced specification unit and update battery management system per Suzuki TSB 51-03-18; ensure proper charging system operation.
Integrated Starter Generator (ISG) failure
Symptoms: Loss of hybrid functionality, start-stop system inoperative, increased fuel consumption, warning lights for hybrid system.
Cause: ISG internal bearing or electrical failure due to heat cycling, vibration, or contamination from engine oil leaks.
Fix: Replace ISG unit and inspect related components; address any oil leaks that may have contributed to the failure.
Lithium-ion battery degradation
Symptoms: Reduced electric assistance, decreased fuel economy, hybrid system warning lights, limited energy recuperation.
Cause: Lithium-ion battery capacity loss due to extreme temperatures, frequent deep cycling, or age-related degradation.
Fix: Replace lithium-ion battery assembly; update hybrid system control module software to latest version.
Engine oil consumption
Symptoms: Frequent low oil level warnings, blue exhaust smoke, spark plug fouling, increased oil consumption (>0.5L/1,000km).
Cause: Piston ring design allowing oil to enter combustion chamber, particularly in high-mileage engines with infrequent oil changes.
Fix: Replace piston rings and valve stem seals; inspect cylinder walls for scoring; use recommended 0W-20 oil and change intervals.
Research Basis

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

SUZUKI SHVS FAQ Common Questions Answered

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

The SHVS system is generally reliable when properly maintained, though early models (pre-2019) had 12V battery issues. Post-2019 models with enhanced battery management have proven more durable. Regular oil changes and proper battery maintenance are essential for long-term reliability.

The most common issues include 12V battery degradation (pre-2019 models), Integrated Starter Generator (ISG) failure, lithium-ion battery degradation, and engine oil consumption in high-mileage engines. These are well-documented in Suzuki service bulletins.

The SHVS mild hybrid system is used in the Suzuki Swift (2017-present), Baleno (2016-present), Vitara (2018-present), and S-Cross (2017-present). It's available with either 1.2L (K12C) or 1.4L (K14D) petrol engines depending on the model and market.

The SHVS system has limited tuning potential due to its integrated nature. Basic ECU remapping might yield small improvements, but the electric motor assistance is limited by the hybrid system controller. Significant power increases would require extensive modifications beyond the hybrid system itself.

Fuel economy is excellent for its class. In a Swift 1.2 SHVS, typical consumption is approximately 4.7 L/100km (city) and 4.0 L/100km (highway), or about 60-70 mpg UK combined. The heavier Vitara 1.4 SHVS typically returns 5.5-6.0 L/100km (47-51 mpg UK) in mixed driving conditions.

No. The SHVS is a mild hybrid system, not a full hybrid. It cannot run on electric power alone and doesn't have a plug-in capability. The system provides torque assistance during acceleration, enables smooth start-stop functionality, and recovers energy during deceleration to improve fuel efficiency.

Suzuki specifies API SP 0W-20 oil for SHVS-equipped engines. This low-viscosity oil provides optimal protection for the high-compression engine while reducing friction to maximize fuel efficiency and hybrid system performance. Oil changes should be performed every 15,000 km or 12 months, whichever comes first.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

About this reference

EngineCode.uk is operated by Engine Finders UK Ltd. It provides engine-reference information and an optional commercial enquiry service. It is not an official manufacturer website. Check the record's sources and confirm vehicle-specific details before relying on it for parts, repairs or replacement.

Sourcing Policy

Source selection

Our editorial standard prioritises relevant manufacturer documentation and official regulatory sources. The sources and verification status for a record should be checked alongside the data.

Evidence and uncertainty

A statement is not verified merely because a source is listed. Where supporting evidence is missing or conflicting, the record should identify that limitation. Please report unsupported or inconsistent information.

Transparency in gaps

A missing or unverified value does not mean the manufacturer has withheld it. We distinguish information not yet verified, information not available to us, and information explicitly not disclosed by the source.

Regulatory Stability

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

Primary Sources

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

Records are subject to review and correction. Source links, dates and verification notes should be read with the technical information. Our Editorial and Sourcing Policy explains our standards and review process.

Corrections & Submissions

Found an error or missing source? Report a problem with this page. Include the field or statement concerned and a supporting source if available. You can also email corrections@enginecode.uk.

Copyright & Legal

Copyright and permissions

Images and other material may be protected by copyright. Attribution does not by itself grant permission to reuse material. If you believe material on this site infringes your rights, contact copyrights@enginecode.uk with the page URL and details of your claim. We will review the material and take appropriate action.

Copyright Concerns

For copyright concerns, email: copyrights@enginecode.uk

Data Privacy

Privacy and cookies

Our Privacy Policy explains how Engine Finders UK Ltd uses information from visits, vehicle lookups, enquiries and messages. Our Cookie Policy explains cookies and similar technologies and how to change your choices.

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

Ownership and commercial services

EngineCode.uk is owned and operated by Engine Finders UK Ltd. Alongside our reference content, we offer an optional replacement-engine enquiry service through Engine Finders and may identify relevant services provided by businesses connected with us. These commercial connections are disclosed. Using an enquiry service is not required to read our reference content.

Funding model

Engine Finders UK Ltd operates this website. Our optional enquiry service has a commercial purpose. Our Ownership and Commercial Disclosure explains the relationship between the reference website and that service. Participating suppliers pay a fee or subscription to participate on the network and receive quote requests.

Verification and identification note

Use this record as a starting point for identification. Specifications and vehicle applications may contain errors or omissions. Confirm the exact engine variant and compatibility using vehicle-specific documentation and a qualified supplier or technician.

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