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Diagnostics Specialist — 3 Weeks — Admissions Open 2026
2 Weeks Online + 1 Week Intensive Offline
EV Diagnostics Specialist Training Program
Last updated: February 2026 | Program by DIYguru eMobility Academy in partnership with ev.care | Recognised by NEAT AICTE & ASDC | Offline at Pune & Delhi
Become the EV Industry's Most Valuable Technician: An EV with a warning light and no one who can read its codes is a stranded asset. This 3-week program turns you into the person who finds the fault, reads the data, and fixes the problem. Master CAN bus communication, OBD-II & UDS protocols, Diagnostic Trouble Codes (DTC), BMS/MCU/VCU fault analysis, EV-specific scan tools, thermal imaging, isolation fault detection, and structured troubleshooting — all practised on real 2W/4W EV platforms during the offline week. 2 weeks online + 1 week intensive offline at DIYguru COE labs. Contact: +91-9910918719 | info@diyguru.org.
1. Program Overview
The EV Diagnostics Specialist Training Program is DIYguru's focused certification for the single most in-demand skill in EV service: the ability to systematically diagnose faults in electric vehicles. While general EV technicians can perform routine service, diagnostics specialists are the ones called when something goes wrong — when a vehicle throws an error code, loses power unexpectedly, refuses to charge, overheats, or exhibits any anomalous behaviour. They are the highest-value technicians in any EV workshop.
Unlike ICE vehicles where OBD-II diagnostics follow a well-established industry standard, EV diagnostics is fundamentally different. Electric vehicles rely on proprietary communication between the Battery Management System (BMS), Motor Control Unit (MCU), Vehicle Control Unit (VCU), on-board charger, thermal management system, and HVAC — all connected through CAN bus networks. Standard OBD-II scan tools designed for petrol/diesel cars are often useless for EV-specific faults. This program teaches you to read the language EVs speak — CAN frames, UDS services, manufacturer-specific DTCs — and translate it into actionable repair decisions.
India's EV after-sales service market is growing rapidly alongside the 2.3 million EVs sold in 2025. OEMs like Tata, Mahindra, Hyundai, and Ather are expanding authorised service networks, while hundreds of independent multi-brand workshops are opening across metro and Tier-2 cities. All of them need diagnostics-capable technicians — and the supply is critically short. Diagnostics specialists typically earn 20–30% more than general service technicians because their skill directly reduces vehicle downtime and prevents misdiagnosis (which is costly and dangerous in HV systems).
Phase 1 — Online Theory
2 Weeks
CAN bus architecture, OBD-II & UDS protocols, DTC structure, BMS/MCU/VCU fault categories, diagnostic logic trees, EV-specific scan tool theory, thermal & isolation diagnostics. Live demos + modules + assessments.
Phase 2 — Offline Hands-On
1 Week
5-day intensive: live CAN sniffing, scan tool practice, fault simulation, DTC reading/clearing, thermal imaging, isolation fault detection, structured troubleshooting on real 2W/4W EV platforms.
3Weeks Total
CANBus Mastery
2W/4WEV Platforms
5 DaysIntensive Offline
Who Is This For? EV service technicians wanting to level up from basic service to diagnostics, automobile mechanics transitioning from ICE to EV diagnostics, OEM dealership service staff, fleet maintenance technicians (BluSmart, Uber EV, corporate fleets), independent multi-brand workshop owners, B.E./B.Tech graduates (Electrical, Electronics, Automobile, Mechatronics) targeting diagnostic engineering roles, and anyone who has completed CEVT or HV Safety training and wants the diagnostics specialisation. Basic EV knowledge or automobile service experience recommended.
2. Program Details at a Glance
| Parameter | Details |
|---|---|
| Program Name | EV Diagnostics Specialist Training Program |
| Category | Diagnostics Specialist Certification — Intensive, Skill-Focused |
| Domain | CAN Bus, OBD-II/UDS, DTC Analysis, BMS/MCU/VCU Fault Diagnostics, Scan Tools, Thermal Imaging, Isolation Testing, Structured Troubleshooting |
| Duration | 3 Weeks Total: 2 Weeks Online + 1 Week Intensive Offline Hands-On |
| Online Phase | 2 Weeks: CAN architecture, OBD-II/UDS protocols, DTC structure, EV fault taxonomy, diagnostic logic, scan tool theory, thermal & isolation diagnostics. Live demos + modules + assessments via DIYguru LMS. |
| Offline Phase | 1 Week (5 Days): Intensive hands-on — CAN sniffing, scan tool operation, fault simulation, DTC reading/clearing, thermal imaging, isolation testing, structured troubleshooting on real 2W/4W EV platforms. |
| Vehicle Platforms | Mahindra e-Verito (4W) + Electric 2-Wheeler platforms available at COE labs |
| Offline Locations | Pune: DIYguru COE, ADYPU, Lohegaon — 412105 | Delhi: 374, MG Road, Sultanpur — 110030 |
| Offered By | DIYguru eMobility Academy in partnership with ev.care |
| Certifications | DIYguru Certified EV Diagnostics Specialist (recognised by NEAT AICTE & ASDC) |
| Course Fee | ₹15,000 — Includes online modules, offline hands-on, certification, and career guidance |
| Eligibility | ITI/Diploma holders, automobile technicians, B.E./B.Tech graduates, EV service staff, fleet maintenance professionals. Basic EV knowledge or automobile service experience recommended. |
| Contact | +91-9910918719 | info@diyguru.org |
3. Fee Structure
₹15,000
Includes: 2 Weeks Online Modules + 1 Week Intensive Offline Diagnostics Lab + Certification (NEAT AICTE & ASDC) + Career Guidance + All Diagnostic Tools & Equipment Provided
Diagnostics Specialists Earn More: EV diagnostics specialists command a 20–30% salary premium over general service technicians. A misdiagnosis on an HV system can cost ₹50,000–₹2,00,000 in unnecessary parts replacement. Workshops that employ diagnostics-capable technicians reduce repeat repairs by 40–60% and improve first-visit fix rates dramatically. This skill pays for the program fee many times over within the first month of employment.
4. Detailed Curriculum
Phase 1 — Online — Week 1 & 2: Diagnostic Theory, Protocols & Fault Analysis
Week 1
Module 1: EV Communication Architecture — CAN Bus Fundamentals
Why CAN bus is the nervous system of every EV. CAN 2.0A (11-bit) and CAN 2.0B (29-bit) frame structure: SOF, arbitration ID, control, data, CRC, ACK, EOF. CAN bus physical layer: CAN-H, CAN-L, differential signalling, termination resistors (120Ω). Bus topology in EVs: how BMS, MCU, VCU, OBC, DCDC, HVAC, instrument cluster, and telematics module connect. CAN-FD awareness for next-gen vehicles. LIN bus for sub-networks (seat, lighting, window). Ethernet in EVs — emerging high-bandwidth diagnostics.
Week 1
Module 2: OBD-II, UDS & EV-Specific Diagnostic Protocols
OBD-II fundamentals: 16-pin DLC connector (SAE J1962), ISO 15765-4 (DoCAN), standard services (01–0A), PIDs for emissions. Why standard OBD-II is insufficient for EVs — most EV-specific data lives outside OBD-II services. UDS (Unified Diagnostic Services, ISO 14229): how OEMs structure EV diagnostics. Key UDS services: 0x22 (ReadDataByIdentifier), 0x19 (ReadDTCInformation), 0x2E (WriteDataByIdentifier), 0x31 (RoutineControl), 0x14 (ClearDTC). Manufacturer-specific DTCs vs. SAE standard P/B/C/U codes. The "NEV Trinity" — deep scanning BMS, MCU, VCU beyond generic OBD.
Week 1
Module 3: DTC Architecture & EV Fault Taxonomy
Diagnostic Trouble Code structure: P (powertrain), B (body), C (chassis), U (network) — 5-character format (P0xxx generic, P1xxx manufacturer-specific). EV-specific DTC categories: battery DTCs (cell imbalance, BMS communication loss, overtemperature, isolation fault, contactor failure), motor DTCs (inverter fault, position sensor error, overcurrent, thermal shutdown), charger DTCs (charge port failure, communication error, ground fault), network DTCs (CAN bus off, ECU timeout, lost communication). DTC severity levels: informational, derate/limp mode, immediate shutdown. Freeze frame data — snapshot of conditions when DTC was set.
Week 2
Module 4: BMS, MCU & VCU — Subsystem Fault Diagnostics
BMS faults: Cell voltage deviation (>50mV), SoC drift, temperature sensor failure, cell balancing failure, contactor weld/open, isolation resistance drop, communication timeout. MCU faults: Inverter IGBT failure, motor position sensor (resolver/encoder) error, overcurrent protection, thermal derating, regenerative braking fault. VCU faults: Torque request mismatch, throttle signal error, interlock violation, mode selection failure, safety system conflict. Diagnostic logic trees for each subsystem — step-by-step fault isolation methodology. Root cause vs. symptom: why clearing codes without investigation is dangerous.
Week 2
Module 5: EV Scan Tools, Thermal Imaging & Isolation Diagnostics
EV-specific scan tools vs. generic OBD-II readers — why you need both. Professional tools: Bosch ESI[tronic], Autel MaxiSYS EV, Launch X431 EV, OEM-specific tools (Tata, Mahindra, Hyundai). Bluetooth dongles and apps: OBDLink MX+, Torque Pro, ABRP. CAN analysis software: PCAN-View, SavvyCAN, Vector CANalyzer (awareness). Thermal imaging for diagnostics: identifying hot cells in battery packs, overheating connectors, motor hotspots, inverter thermal anomalies using IR cameras. Isolation resistance measurement: megohmmeter procedure, interpreting results per ISO 6469-3 (100 Ω/V), identifying degraded insulation paths.
Week 2
Module 6: Structured Troubleshooting & Diagnostic Workflows
The diagnostic mindset: symptom → hypothesis → test → confirm → repair → verify. Information gathering: customer complaint, warning lights, vehicle history, DTC snapshot, freeze frame data. Systematic approach: visual inspection → DTC scan → live data analysis → component testing → circuit testing → root cause confirmation. Common 2W EV diagnostic scenarios: no power, reduced range, charging failure, throttle response issue, display error. Common 4W EV scenarios: HV system warning, thermal derating, charging communication failure, regenerative braking loss, HVAC failure. Documenting diagnostic findings — creating service reports that prevent repeat visits.
Phase 2 — Offline Hands-On — Week 3: 5-Day Intensive Diagnostics Lab (Pune / Delhi)
Five consecutive days of intensive diagnostics practice on real EV platforms. Faults are simulated, codes are read, data is analysed, and problems are solved — exactly as in a real workshop.
Day 1 — CAN Bus Live Sniffing & Communication Mapping
Connect CAN diagnostic interfaces to real 2W and 4W EV platforms. Use CAN analysis software to sniff live CAN frames — observe BMS, MCU, VCU, OBC messages in real time. Identify CAN IDs for each ECU. Decode message payloads — battery voltage, SoC, motor RPM, temperature, contactor status. Verify CAN bus integrity: check termination resistance, bus voltage levels, and signal quality with oscilloscope. Identify CAN bus faults: bus-off conditions, missing ECU responses, intermittent communication.
Day 2 — Scan Tool Mastery & DTC Analysis
Hands-on with professional EV scan tools and OBD-II interfaces. Perform full-system DTC scan on 2W and 4W EVs — read all stored, pending, and permanent codes across BMS, MCU, VCU, OBC, HVAC modules. Interpret DTC descriptions, freeze frame data, and occurrence counters. Practice clearing DTCs and verifying fix confirmation. Access live data streams — monitor battery cell voltages, temperatures, SoC, motor current, inverter temperature, charger status in real time. Compare live data readings against normal operating parameters. Identify data anomalies that indicate developing faults before DTCs are set.
Day 3 — Fault Simulation & Structured Troubleshooting
Trainers simulate common EV faults on the vehicle platforms — connector disconnections, sensor failures, BMS communication interrupts, throttle signal issues, cooling system faults, charger communication errors. Participants apply structured troubleshooting methodology: symptom observation → DTC scan → live data analysis → hypothesis formation → targeted testing → root cause confirmation. Practice on multiple fault scenarios — from simple (loose connector) to complex (intermittent BMS cell monitoring failure). Document findings in standardised service report format.
Day 4 — Thermal Imaging, Isolation Testing & Battery Diagnostics
Hands-on with thermal imaging cameras: scan battery packs during charge/discharge to identify cell-level thermal anomalies, inspect motor and inverter thermal profiles, check connector and harness temperatures. Perform isolation resistance measurement on HV system using megohmmeter — measure between HV circuit and chassis, interpret pass/fail per ISO 6469-3. Battery-specific diagnostics: read individual cell voltages via BMS data, identify degraded cells by voltage deviation, assess SoH through capacity and IR data, check cell balancing status. Charging diagnostics: simulate charge session, monitor OBC communication with EVSE, identify charging faults through CAN data.
Day 5 — Complete Diagnostic Workflow, Assessment & Certification
Final practical assessment: participants receive a vehicle with an unknown fault (seeded by trainers). They must independently perform the complete diagnostic workflow — symptom observation, DTC scan, live data analysis, thermal/electrical checks, root cause identification, and documented repair recommendation — within a timed window. Peer review and trainer feedback on diagnostic approach. Career guidance session: diagnostic specialist roles across OEM dealerships, independent workshops, fleet operations, and remote diagnostics. Certificate distribution and programme wrap-up.
5. Offline Training Locations
DIYguru Headquarters
Delhi NCR
374, MG Road, Sultanpur, South Delhi, New Delhi — 110030
Diagnostics lab with CAN analysis workstations, professional scan tools, EV platforms (2W & 4W), thermal imaging equipment, and fault simulation infrastructure.
Pune COE — ADYPU Campus
Pune
DIYguru COE, Ajeenkya DY Patil University, Charoli Bk. via Lohegaon, Pune — 412105
Full COE diagnostics facility with Mahindra EV platforms, CAN diagnostic interfaces, scan tool stations, thermal cameras, and isolation testing equipment.
6. Certification & Accreditation
| # | Certification | Description |
|---|---|---|
| 1 | DIYguru eMobility Academy | Certified EV Diagnostics Specialist — specialised diagnostics certification verifiable online. Recognised by OEMs and automotive service networks. |
| 2 | NEAT AICTE | Recognised by National Educational Alliance for Technology, Ministry of Education, Government of India. |
| 3 | ASDC | Recognised by Automotive Skills Development Council (NSDC, Ministry of Skill Development). |
7. Career Outcomes
Diagnostics specialists are the highest-paid technician-level professionals in the EV service ecosystem. Their skill directly impacts workshop revenue — accurate first-visit diagnosis reduces parts waste, eliminates repeat visits, and builds customer trust.
| Job Role | Experience | Salary Range |
|---|---|---|
| EV Diagnostics Technician | 0–2 years | ₹22,000–38,000/month |
| EV Service Advisor (Diagnostics) | 1–3 years | ₹25,000–45,000/month |
| CAN / Network Diagnostics Specialist | 1–4 years | ₹28,000–50,000/month |
| Fleet Diagnostics Engineer | 2–5 years | ₹35,000–65,000/month |
| Remote Diagnostics / Telematics Analyst | 2–5 years | ₹4–10 LPA |
| Workshop Technical Lead (Diagnostics) | 3–6 years | ₹40,000–75,000/month |
| OEM Diagnostic Tool Developer (Entry) | 2–5 years | ₹5–12 LPA |
Diagnostics specialists are in demand at: OEM authorised service centres (Tata, Mahindra, Hyundai, MG, BYD), independent multi-brand EV workshops, fleet operators (BluSmart, Uber EV, Zomato EV, corporate fleets), EV telematics and remote diagnostics companies, roadside assistance providers, and scan tool / diagnostic software companies. Key hiring cities: Pune, Bangalore, Delhi NCR, Chennai, Hyderabad.
8. Faculty
| Name | Role | Specialisation |
|---|---|---|
| Rahul Kumar | Program Lead — EV Engineering | EV Powertrain & Diagnostics Integration |
| Saurabh Kumar | Program Delivery — Automotive | AUTOSAR, CAN Diagnostics & Embedded Systems |
| Ashutosh Dehury | Program Delivery — Battery | BMS Diagnostics & Battery Fault Analysis |
| Ankit Khatri | Program Delivery — Testing | Automotive Testing & Diagnostics | Ex-ICAT |
| Arman Ansari | Program Delivery — Simulations | EV Simulation & Data Analysis |
| Divyvani Metla | Program Lead — Technical Ops | Technical Operations & Engineering |
9. Frequently Asked Questions
Q1. How is this different from the CEVT program?
The CEVT is a general EV service technician program covering motors, controllers, batteries, charging, retrofitting, and basic diagnostics. The Diagnostics Specialist program is a deep-dive into fault finding — CAN bus protocols, OBD-II/UDS services, DTC architecture, subsystem-level fault analysis (BMS/MCU/VCU), scan tool mastery, thermal imaging, and structured troubleshooting methodology. Think of CEVT as learning to service EVs; think of Diagnostics Specialist as learning to solve the problems no one else can figure out.
Q2. Do I need prior EV experience?
Basic EV knowledge or automobile service experience is recommended. If you've completed DIYguru's CEVT, HV Safety, or Battery Technician programs, this is the ideal next step. If you're an experienced ICE mechanic transitioning to EVs, the program's online phase covers EV architecture foundations before diving into diagnostics-specific content. Complete beginners should consider CEVT first.
Q3. What tools will I use during offline training?
All tools and equipment are provided: professional EV scan tools (multi-brand), OBD-II interfaces, CAN diagnostic hardware and analysis software, thermal imaging cameras, HV-rated multimeters, megohmmeters for isolation testing, oscilloscopes for CAN signal analysis, and access to real 2W and 4W EV platforms with fault simulation capability. You only need to bring yourself.
Q4. Will I learn OEM-specific diagnostics (Tata, Mahindra, Hyundai)?
The program teaches universal diagnostic principles — CAN bus communication, UDS services, DTC architecture, and structured troubleshooting workflows that apply to all EV makes and models. During the offline week, you practise on Mahindra e-Verito and 2W EV platforms. The diagnostic methodology you learn is transferable to any OEM — you'll be able to pick up OEM-specific tools and procedures quickly because you understand the underlying protocols.
Q5. Is this useful for remote diagnostics / telematics roles?
Yes — and this is a growing career path. Remote diagnostics analysts at fleet operators and OEMs use the same CAN data, DTC codes, and diagnostic logic covered in this program — they just access it through telematics platforms instead of physical scan tools. Understanding what the data means and how to make diagnostic decisions from it is the core skill, whether you're standing next to the vehicle or analysing data from a dashboard 1,000 km away.
Q6. Can I stack this with other DIYguru certifications?
Absolutely — and we recommend it. The most powerful technician profile is: CEVT (general EV service) + HV Safety (safety certification for 4W work) + Diagnostics Specialist (fault finding and data analysis). Together, these three certifications make you qualified for the most advanced and highest-paid EV service roles in India. The Battery Technician certification adds battery-specific depth. Each program is self-contained but they complement each other powerfully.
10. How to Apply
Apply for EV Diagnostics Specialist Training
Applications open for 2026. India's focused EV diagnostics certification. 2 weeks online + 1 week intensive offline at COE labs in Pune & Delhi. CAN bus, scan tools, DTCs, fault analysis on real EV platforms. NEAT AICTE & ASDC certified. ₹15,000.
Enrol Now → Check Your Eligibility →
Enrolment Process: (1) Submit your application via the website or call +91-9910918719. (2) Complete the admission assessment (evaluates basic EV/automobile knowledge). (3) Confirm enrolment and complete fee payment (₹15,000). (4) Begin Phase 1 (Online) via DIYguru LMS — 2 weeks of diagnostic theory, protocols, and fault analysis. (5) Attend Phase 2 (Offline) — 5-day intensive diagnostics lab at your chosen COE (Pune or Delhi). (6) Pass the practical diagnostic assessment and earn your Certified EV Diagnostics Specialist certification.
© 2026 DIYguru Educational Research Pvt. Ltd. All rights reserved. NEAT AICTE & ASDC recognised. CIN: U80902DL2017PTC323930.
