Unlock the science of keeping electric vehicles running at peak performance with our EV Fault Diagnostics course! This program takes you deep into the world of electric vehicle troubleshooting — from identifying system errors to analyzing motor, controller, and battery faults. Learn how to use advanced diagnostic tools, interpret fault codes, and ensure smooth, efficient EV operation. Perfect for technicians, engineers, and EV enthusiasts, this course equips you with the skills to detect, diagnose, and fix issues in the fast-growing electric mobility industry.
- 72 Hours (2 hours/day x 6 days/week x 6 weeks) OR at your own pace
- Hindi, English
- Learn & Get Certified
- Basic & Intermediate
- Hands-On Training
About this course
EV Fault Diagnostics course focuses on identifying, analysing, and troubleshooting faults in electric vehicles. The course covers common issues in batteries, motors, controllers, charging systems, and power electronics, along with diagnostic tools and testing techniques. Students will gain practical skills in fault detection, system analysis, and maintenance procedures to ensure the safety, efficiency, and reliability of EVs.
This course provides essential knowledge and practical training to build industry-relevant skills.
Fees: ₹3500, ₹2000 (incl. GST) (Excluding tools & equipment cost)
Certification: TCoE
Duration: 72 Hours (2 hours/day x 6 days/week x 6 weeks) OR at your own pace
What you'll learn
After this course you will be able to:
- EV System Basics: Understand how electric vehicles function — from battery to motor and controller.
- Fault Identification: Learn to detect and interpret common faults in EV components and subsystems.
- Diagnostic Tools & Software: Get hands-on training with multimeters, scanners, and EV diagnostic software.
- Battery & BMS Troubleshooting: Master the techniques to analyze and fix battery and BMS-related issues.
- Motor & Controller Analysis: Diagnose problems related to BLDC motors, controllers, and power electronics.
- Wiring & Circuit Testing: Learn safe methods to inspect, test, and repair electrical connections.
- Data Interpretation: Understand fault codes, performance logs, and sensor data for accurate repairs.
- Preventive Maintenance Skills: Learn how to minimize faults and enhance the lifespan of EV components.
Course Content
How to use online TCoE platform?
Advantages of this course
Tools and Equipment required
National Skill Development Mission
Module-1: Introduction to EV Components
- This module introduces learners to the essential components of electric vehicles (EVs), including batteries, motors, motor controllers, power electronics, sensors, and auxiliary systems.
- It covers the function, working principles, and interconnections of these components, providing a foundational understanding necessary for diagnosing and troubleshooting electrical faults in EV systems.
Module-2: Introduction of equipment and tools used
- This module familiarizes learners with the essential tools and equipment used for diagnosing and repairing electric vehicle (EV) faults.
- It covers multimeters, clamp meters, oscilloscopes, battery testers, diagnostic software, and safety equipment.
- Students will learn proper handling, usage, and maintenance of these tools, building the practical foundation required to identify, troubleshoot, and repair electrical issues in EV systems safely and efficiently.
Module-3: Battery Basics
- This module introduces learners to the fundamentals of electric vehicle batteries, including their types, construction, voltage, capacity, and state-of-charge principles.
- It covers how batteries function within an EV, common performance issues, and safety precautions.
- Understanding these basics equips students with the knowledge needed to diagnose, test, and maintain battery systems effectively during fault analysis.
Module-4: Motor Basics
- This module introduces learners to the fundamental concepts of electric motors used in EVs, including DC, BLDC, and induction motors.
- It covers motor construction, working principles, key parameters, and typical operational issues.
- Understanding motor fundamentals helps students identify performance problems, assess motor health, and perform accurate fault diagnostics in electric vehicle systems.
Module-5: Controller Basics
- This module introduces learners to the fundamental principles of electric vehicle controllers, which regulate the operation of motors and manage power flow.
- It covers controller types, working mechanisms, key parameters, and their role in ensuring efficient and safe EV performance.
- Understanding controllers equips students with the knowledge to diagnose faults, interpret error signals, and maintain proper functionality within electric vehicle systems.
Module-6: How to use various tools to find faults
- This module trains learners to effectively use diagnostic tools to identify and troubleshoot faults in electric vehicles.
- It covers the use of multimeters, clamp meters, oscilloscopes, battery testers, and diagnostic software to measure voltage, current, resistance, and signal patterns.
- Emphasis is placed on systematic testing procedures, interpreting readings, and safely pinpointing electrical issues, enabling students to accurately detect and resolve faults in EV systems.
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Battery Management System (BMS) Fault Diagnosis
The Battery Management System is the heart of any electric vehicle, responsible for monitoring and controlling the battery’s health, charge, and safety. In this topic, learners explore how to identify, analyze, and troubleshoot common BMS-related faults such as cell imbalance, overcharging, overheating, and communication errors. The module covers real-time diagnostic techniques, use of diagnostic tools, and interpretation of fault codes to ensure efficient and safe EV operation.
Job Opportunities
Here are some interesting job opportunities after completing the EV Fault Diagnostics course:
EV Diagnostic Technician – Specialize in identifying, analyzing, and repairing faults in electric vehicles using advanced diagnostic tools and software.
Battery Maintenance Engineer – Focus on detecting and resolving issues in EV battery packs, including cell degradation, thermal faults, and BMS-related errors.
EV Service and Maintenance Engineer – Work in service centers or OEMs to handle preventive maintenance, fault detection, and performance optimization of electric vehicles.
EV Systems Analyst – Analyze data from different EV subsystems (motor, controller, battery) to predict faults and improve system reliability.
Field Service Technician (EV) – Provide on-site diagnostics and repair support for electric two-wheelers, three-wheelers, or four-wheelers.
Quality and Testing Engineer – Test EV components and subsystems under various conditions to detect potential faults before market release.
Technical Support Specialist (EV Diagnostics Tools) – Work with EV tool manufacturers to assist users and workshops in interpreting diagnostic data and troubleshooting issues.
EV Trainer or Instructor – Train aspiring technicians and engineers on EV diagnostics, repair, and maintenance best practices.
Frequently asked questions
What is EV Fault Diagnostics?
EV Fault Diagnostics is the process of identifying, analyzing, and resolving electrical and mechanical faults in electric vehicles using specialized tools, sensors, and software. It ensures the safe and efficient performance of the EV.
Who can take this course?
This course is ideal for diploma and engineering students, EV technicians, mechanics, and anyone interested in understanding how to troubleshoot and maintain electric vehicles.
What skills will I gain from this course?
You’ll learn how to use diagnostic tools, interpret error codes, analyze faults in batteries, motors, controllers, and charging systems, and apply systematic troubleshooting techniques.
Do I need any prior experience with EVs?
No prior experience is required. The course starts with EV fundamentals and gradually progresses to advanced diagnostic and repair techniques.
What kind of practical training will I get?
Learners will get hands-on experience with real or simulated EV components—such as battery systems, motor controllers, and diagnostic scanners—to perform fault detection and rectification.
How is this course useful for my career?
With the rising adoption of electric vehicles, EV diagnostics and maintenance experts are in high demand. This course prepares you for roles in EV workshops, service centers, and manufacturing industries.