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ISO 15118-5:2018

ISO 15118-5:2018

What is ISO 15118-5:2018-Road vehicles- Physical layer and data link layer conformance test?

ISO 15118-5:2018 is a standard within the ISO 15118 series, it pertains to the communication interface between electric vehicles (EVs) and the charging infrastructure. Specifically, ISO 15118-5 focuses on conformance test cases, providing guidelines to ensure that the implementation of ISO 15118-2 (for network and application protocol requirements) and ISO 15118-3 (for physical and data link layer requirements) adheres to the defined standards.

Key features of ISO 15118-5:

Conformance Test Cases: The standard outlines various test scenarios to verify the correct implementation of communication protocols between EVs and Electric Vehicle Supply Equipment (EVSE).

Interoperability: Ensures that different brands and models of EVs and charging stations can effectively communicate and function together.

Security Measures: Implements security protocols to safeguard communication against unauthorized access and data breaches.

User Experience: Aims to streamline the user experience by supporting functionalities such as automatic payment processes and remote diagnostics.

How we can help with ISO 15118-5:2018

At Pacific Certifications, we specialize in providing comprehensive audit and certification services for a variety of ISO standards, including ISO 15118-5

Here’s how we can assist your organization:

Audit and Assessment

Initial Gap Analysis: We begin with a thorough analysis of your current processes and systems to identify gaps and areas of non-conformance with ISO 15118-5

Customized Audit Plan: Based on the gap analysis, we develop a tailored audit plan that addresses specific requirements of the standard and your organization’s unique needs

Implementation Support: Our experts provide guidance and support to help you implement necessary changes and improvements to align with ISO 15118-5:2018

Certification Process

Documentation Review: We review your documentation to ensure it meets the criteria set forth by ISO 15118-5

On-site/online Audits: Our auditors conduct thorough on-site/online audits to verify that all procedures, processes, and systems are effectively implemented and in compliance with the standard, Pacific Certifications can perform audits where it’s not a part of consultancy work

Continuous Improvement: Post-certification, we offer continuous support to help you maintain compliance and continuously improve your processes.

Contact Pacific Certifications today  at support@pacificcert.com to learn more about how we can help you achieve ISO 15118-5 certification and drive your business towards excellence in EV charging infrastructure!

What are the requirements of ISO 15118-5:2018?

ISO 15118 focuses on the conformance test cases. Here are the key requirements and components addressed in this standard:

Key requirements:

Test Cases for Conformance:

Protocol Implementation Conformance Statement (PICS): Defines the necessary protocol features that must be supported by an implementation to be considered conformant with ISO 15118-2 and ISO 15118-3.

Protocol Implementation Extra Information for Testing (PIXIT): Specifies additional information required to perform conformance testing that is not covered by the PICS.

Test Case Descriptions: Provides detailed descriptions of each test case, outlining the objectives, test conditions, and expected results. This ensures that implementations are thoroughly tested for compliance with the communication protocol standards.

Interoperability Testing: Ensures that different EV and EVSE (Electric Vehicle Supply Equipment) implementations can communicate effectively, facilitating seamless interoperability between various manufacturers’ equipment.

Security Protocol Testing:

Verifies the implementation of security measures to protect the communication between EVs and charging stations. This includes encryption, authentication, and data integrity checks to prevent unauthorized access and tampering.

Functional Testing:

Checks the functional aspects of the communication protocol, such as message formats, timing requirements, and state transitions. This ensures that the protocol operates as intended in real-world scenarios.

Performance Testing:

Assesses the performance of the communication interface under various conditions, including different load scenarios, to ensure reliable and efficient communication between EVs and charging infrastructure.

Error Handling and Recovery:

Tests the system’s ability to handle and recover from errors. This includes verifying that the system can detect, report, and recover from communication errors, ensuring robustness and reliability.

Compliance with ISO 15118-2 and ISO 15118-3:

Ensures that implementations comply with the requirements defined in ISO 15118-2 (network and application protocol requirements) and ISO 15118-3 (physical and data link layer requirements). This includes verifying that all mandatory features are in place and optional features are working correctly if supported.

Detailed Breakdown of test cases:

Message Exchange Tests:

  1. Session Setup: Tests related to the establishment of a communication session between the EV and the charging station.
  2. Data Exchange: Ensures that data messages are correctly formatted and exchanged as per the protocol requirements.
  3. Session Termination: Verifies that the session is terminated properly, with all relevant messages exchanged correctly.

Security Tests:

  1. Certificate Handling: Tests the management of security certificates used for authentication and encryption.
  2. Secure Channel Establishment: Ensures that a secure communication channel is established and maintained throughout the session.

Timing Tests:

  1. Message Timing: Verifies that messages are sent and received within the specified time frames.
  2. Timeout Handling: Tests the system’s response to communication timeouts and delays.

State Machine Tests:

  1. State Transitions: Ensures that the system correctly transitions between different states as defined in the protocol.
  2. Error States: Tests the handling of error states and the system’s ability to recover from them.

Interoperability Tests:

  1. Cross-Vendor Testing: Verifies that the implementation can interoperate with different vendors’ equipment, ensuring compatibility and seamless operation.

By partnering with us, you can ensure that your EV and charging infrastructure communication systems are fully compliant with ISO 15118-5:2018, enhancing interoperability, security, and overall performance

What are the benefits of ISO 15118-5:2018-Road vehicles?

ISO 15118 offers several significant benefits, particularly in the realm of electric vehicle (EV) and charging infrastructure communication. Here are the primary advantages of adhering to this standard:

Enhanced Interoperability

Seamless Communication:

Ensures that EVs and Electric Vehicle Supply Equipment (EVSE) from different manufacturers can communicate effectively, fostering a universal charging infrastructure.

Cross-Vendor Compatibility:

Promotes interoperability between diverse EV and charging station brands, making it easier for consumers to use any charging station, irrespective of the vehicle make.

Improved User Experience

Convenient Charging Process:

Facilitates features like plug-and-charge, where the charging process starts automatically once the EV is connected to the charger, without requiring additional user input.

Automated Payment Systems:

Supports automatic billing and payment, reducing the need for manual transactions and enhancing convenience for EV owners.

Enhanced Security

Secure Communication:

Implements robust security protocols to protect the communication between EVs and charging stations, preventing unauthorized access and ensuring data integrity.

Data Protection:

Ensures that sensitive information such as user credentials and billing details are encrypted and securely transmitted, safeguarding against potential cyber threats.

Increased Reliability

Robust Error Handling:

Provides detailed protocols for error detection, reporting, and recovery, ensuring that the communication system is resilient and reliable.

Consistent Performance:

Ensures that the communication interface performs consistently under various conditions, enhancing the overall reliability of the EV charging process.

Regulatory Compliance

Meeting Industry Standards:

Helps organizations comply with international standards for EV and charging infrastructure communication, which is increasingly being mandated by regulatory bodies worldwide.

Market Acceptance:

Certification to ISO 15118-5 is often a prerequisite for participating in certain markets and projects, ensuring broader acceptance and market entry.

Operational Efficiency

Streamlined Processes:

By adhering to a standardized communication protocol, organizations can streamline their processes, reducing complexity and operational costs.

Reduced Development Time:

Provides a clear framework for developing communication interfaces, potentially reducing the time and resources needed for development and testing.

Competitive Advantage

Market Differentiation:

Achieving certification can serve as a differentiator in the competitive EV market, signaling to customers and partners that your products meet high standards of quality and interoperability.

Customer Trust:

Builds trust with customers by demonstrating a commitment to quality, security, and seamless user experience.



Designed to accommodate future advancements in EV technology, ensuring that the communication protocols remain relevant and scalable as the industry evolves.

Innovation Support:

Encourages innovation by providing a stable and secure foundation for developing new features and services in the EV charging ecosystem.

By partnering with us, you can ensure that your EV and charging infrastructure systems are fully compliant with ISO 15118-5:2018, enabling you to reap the numerous benefits of enhanced interoperability, security, reliability, and overall efficiency!

Who needs ISO 15118-5:2018-Road vehicles?

ISO 15118 is essential for a wide range of stakeholders in the electric vehicle (EV) ecosystem. These stakeholders include:

Electric Vehicle Manufacturers:

EV manufacturers need to ensure their vehicles can communicate effectively with various charging infrastructures. Compliance with ISO 15118-5 helps ensure interoperability and enhances the customer experience by supporting features like automatic authentication and payment

Charging Station Manufacturers:

Manufacturers of Electric Vehicle Supply Equipment (EVSE) or charging stations need to implement standardized communication protocols to ensure their products are compatible with a broad range of EVs. This standardization helps in creating a universal charging network.

Electric Utility Companies:

Utility companies involved in providing electricity for EV charging need to ensure their infrastructure supports standardized communication protocols to facilitate efficient energy distribution and management. This can help in load balancing and grid stability.

Charging Network Operators:

Operators of public and private charging networks require standardized communication to manage and monitor charging stations effectively. Compliance with ISO 15118 enables seamless integration of different brands and models of EVSE into their networks.

Automotive Suppliers:

Suppliers providing components for EVs and charging stations, such as communication modules and control units, need to ensure their products meet the standard to maintain compatibility across the industry.

Fleet Operators:

Companies managing fleets of electric vehicles, such as delivery services, public transportation, and ride-sharing services, benefit from standardized communication protocols that simplify the charging process, reduce downtime, and enhance operational efficiency.

Government and Regulatory Bodies:

Government agencies and regulators involved in setting and enforcing standards for the EV industry need to ensure that communication protocols like ISO 15118-5 are in place to promote interoperability, security, and reliability across the sector.

Technology Providers:

Companies developing software and hardware solutions for EV charging infrastructure, such as payment systems, mobile apps, and network management tools, need to align with ISO 15118-5 to ensure their products can interface with the standardized communication protocols.

Research and Development Organizations:

Organizations engaged in R&D for EV technology and infrastructure benefit from adhering to ISO 15118-5:2018 as it provides a clear framework for developing and testing new solutions, ensuring they meet industry standards and are ready for commercialization.

Electric Vehicle Owners and Consumers:

While not directly involved in implementing the standard, EV owners benefit from the improved interoperability, security, and user experience provided by compliance with ISO 15118-5. This translates to more reliable and convenient charging options.

By partnering with us, stakeholders in the EV ecosystem can achieve ISO 15118-5:2018 certification, ensuring their products and services are aligned with industry standards and ready to meet the growing demands of the electric vehicle market.

Pacific Certifications is accredited by ABIS, in case you need support with ISO 15118-5:2018 certification for your business, please contact us at suppport@pacificcert.com or +91-8595603096

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