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Automotive Software Development as per the ISO 26262 Standard (ASIL A/ ASIL B/ ASIL C/ ASIL D)

Our Automotive Functional Safety Consultants have partnered with customers across US, Germany, China, Taiwan, South Korea and India, to help them achieve ISO 26262 compliance (ASIL A/ ASIL B/ ASIL C/ ASIL D)

The expertise of our FuSa Consultants in ISO 26262 standard, ISO 26262 compliant automation tools, tool expertise and hands-on experience in development of ISO 26262 compliant software (Part-6), have proved to be a value-addition for all our customers.

Our domain expertise spans- Lighting System, Seating Control, Electronic Power Steering (EPS), Telematics Solutions, Body Control Module, Flash Bootloaders, Powertrain ECU, HVAC Systems, Infotainment system, Digital instrument clusters and more.

Expertise in ISO 26262 qualified tools like CANTATA, RTRT, Tessy Tool, Polaris etc. make us the choice partners for ISO 26262 compliant software development projects.

Proven Expertise of our ISO 26262 Consultants in Complex Automotive (ASIL D/ ASIL C) projects

The following list of some of our successful ISO 26262 (Functional Safety) complaint software/hardware/testing projects is the testimony of our expertise in ASIL D & ASIL C compliance

  • Development of ASIL C Compliant Complex Device Drivers (CDD) for a Powertrain ECU
  • Mutation Testing of automotive Electronic Power Steering for ASIL D Compliance
  • Bidirectional Traceability using Tools like DOORS and Polaris
  • Support for Confirmation Review of Work Products
  • Choice of methods and techniques deployed in software design (safety plan) as per ASIL grades

A Snapshot of our ISO 26262 Software Development Services

Software Safety Requirement & Functional Requirement

  • Technical Safety Requirements (TSR) document along with functional requirements document
  • Development Software Safety Requirements (SSR) document from TSR


Software Architecture Design & Safety Analysis

  • UML based software architecture design
  • Support for safety analyses such as FMEA and DFA
  • Compliance as per the ASIL Grade (ASIL A/ ASIL B/ ASIL C/ ASILD)


Software Unit Design

  • Development of software low-level design as per the architecture design
  • Qualification of Tools for software development
  • Software Error detection and handling methods



  • Software coding and design implementation as per ISO 26262 Guidelines
  • Static and Dynamic Analysis of the code and Report Generation
  • ISO 26262 WP Templates, Guidelines and Checklist for work products



  • Software Safety Requirement (SSR) verification services as per ISO 26262 standard
  • Support for SSR verification in ECU network and vehicle-level environment
  • Hardware in Loop (HIL) Testing


Integration Testing

  • ISO 26262 compliant integration testing services which include fault-injection testing, models and codes simulation and structural coverage.
  • Expertise in testing tools like CANTATA, MX Suit, RTRT and LDRA


Unit Testing

  • Unit Testing Services as per the required Automotive Safety and Integrity Level (ASIL)
  • Statement coverage, branch coverage and MC/DC coverage
  • Expertise in static analysis tools like QA-C and PolySpace and Unit Testing tools like Tessy

ISO 26262 Compliant Development vs Traditional Software Development

Action Item

ISO 26262 Compliant Dev.

Traditional Software Dev.

Requirements Related to Functional Safety

A Technical Safety Requirement (TSR) document is prepared along with the Functional software requirement

Only functional requirement document is required

Safety Analyses

Safety analyses (FMEA & DFA) are performed to understand failure modes and their impact

No such safety analyses are performed as functional safety aspect is not considered

Architecture and Unit Design

UML based design using tools like Rhapsody & Ascet

Design can be created on Word/Excel


ISO 26262 qualified tools are required for development and testing

Regular IDEs and Testing tools are required.

Expertise is in ISO 26262 Qualified Software Development Tools