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Home » Training » Workshop Training » Electric & Hybrid Vehicle Training » IMI Level 4 electric hybrid vehicle training HGV

IMI Level 4 Award: Electric/Hybrid Vehicle Diagnosis, Testing and Repair

The highest level of IMI electric and hybrid vehicle qualification for heavy vehicle technicians. This award develops the knowledge and practical skills needed to diagnose, test and repair live high-voltage systems in HGVs, buses and coaches. Delivered on-site across the UK by Lloyd Morgan Group.
E-mail to register interest

Why This Course Matters for HGV and PSV Workshops

The shift to electric and hybrid powertrains in heavy vehicles is accelerating. Operators running electric buses, hybrid coaches and zero-emission HGVs need workshops that can handle the full spectrum of high-voltage system work, not just routine maintenance or component swap-outs after isolation.

The IMI Level 4 Award (Ref: 610/0975/1) was developed in conjunction with electric vehicle manufacturers, component suppliers, the Health and Safety Executive and the IMI Sector Skills Council. It is the qualification specifically designed for technicians required to work on live high-voltage vehicle electrical components and associated systems. It goes beyond what Level 3 covers and demands that technicians can practically demonstrate safe, competent live high-voltage diagnostic and repair capability.

For transport operators and heavy vehicle workshops, this is the qualification that closes the gap between basic compliance and genuine in-house EV competence.

Who should attend

  • Heavy vehicle technicians who have completed the IMI Level 3 Award in Electric/Hybrid Vehicle System Repair and Replacement and are ready to progress
  • Senior and master technicians responsible for high-voltage system diagnosis and complex repairs on HGV, bus or coach fleets
  • Diagnostic technicians and auto-electricians working on electric or hybrid commercial vehicle powertrains
  • Workshops and fleet operators who need staff certified to the highest IMI level for heavy electric and hybrid vehicle work
Entry requirement: Candidates must have successfully completed Unit EV3 (IMI Level 3 Award in Electric/Hybrid Vehicle System Repair and Replacement). A minimum of six months' relevant post-Level 3 experience is recommended. Where this has not been met, candidates can complete the IMI Learner Eligibility form to provide evidence of related experience.

What Heavy Vehicle Technicians Will Learn

  • Advanced health and safety practices when working live on high-voltage vehicle electrical systems and components in heavy vehicles
  • Diagnostic methods and testing procedures using specialist equipment on HGV, bus and coach EV and hybrid systems
  • Identifying and rectifying complex faults in high-voltage systems on heavy vehicle platforms
  • Repair and replacement of high-voltage components in line with manufacturer standards and safe working practice
  • Verifying system performance and returning heavy vehicles to safe, compliant operation after repair
  • Practically demonstrating safe and competent live high-voltage working to assessors and employers

IMI Level 4 Course Details

  • Qualification: IMI Level 4 Award in the Diagnosis, Testing and Repair of Electric/Hybrid Vehicles and Components
  • Duration: 3 days including online exam and practical assessments
  • Assessment: Practical observation, oral assessment and written assessment by an IMI-approved assessor. No online multiple-choice test at Level 4.
  • Delivery: On-site at your workshop or facility using live electric and hybrid heavy vehicles. Use of approved training rigs requires prior agreement with the IMI External Quality Assurer.
  • Outcome: Technicians qualified to safely diagnose, test and repair live high-voltage systems and components in electric and hybrid heavy vehicles.

Benefits for Your Workshop and Fleet Operation

  • Gives your workshop live high-voltage diagnosis and repair capability in-house, reducing reliance on outsourced specialist contractors
  • Provides independently verifiable proof of technician competence for operators, insurers and auditors
  • Qualifies technicians for entry onto the IMI TechSafe Professional Register
  • Supports your obligations under health and safety legislation when your team works on live high-voltage systems in heavy vehicles
  • Positions your workshop as a capable, credible partner for fleet operators transitioning to electric and hybrid commercial vehicles

IMI TechSafe Recognition for Heavy Vehicle Technicians

Successful completion of this Level 4 qualification is an official entry route onto the IMI TechSafe Professional Register. TechSafe is the IMI's recognition scheme for technicians working on high-voltage vehicle systems, providing independently verified proof of competence recognised across the UK automotive and transport sectors.

For HGV and PSV operators, a TechSafe-registered technician provides demonstrable evidence of safe working practice that supports audit readiness and operator licence compliance.

We’re here to help. Any questions or need something specific? Get in touch.

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Chartered Institute of Logistics and Transport
CPT Accred
IRTEC Accreditation
IMI Approved Centre
Driving for Better Business
DriverCPC Qualified
BMF Service Member
Earned Recognition
Chartered Institute of Logistics and Transport
CPT Accred
IRTEC Accreditation
IMI Approved Centre
Driving for Better Business
DriverCPC Qualified
BMF Service Member
Earned Recognition
Chartered Institute of Logistics and Transport
CPT Accred
IRTEC Accreditation
IMI Approved Centre
Driving for Better Business
DriverCPC Qualified
BMF Service Member
Earned Recognition
Chartered Institute of Logistics and Transport
CPT Accred
IRTEC Accreditation
IMI Approved Centre
Driving for Better Business
DriverCPC Qualified
BMF Service Member
Earned Recognition
Chartered Institute of Logistics and Transport
CPT Accred
IRTEC Accreditation
IMI Approved Centre
Driving for Better Business
DriverCPC Qualified
BMF Service Member
Earned Recognition
Chartered Institute of Logistics and Transport

Book IMI Level 4 Diagnosis, Testing and Repair Training (HGV, Bus & Coach)

This advanced course is delivered on-site at your workshop or facility and can be arranged as a group programme for teams of technicians. Scheduling is flexible to minimise disruption to your operation.

E-mail to register interest

Call us: 01543 897 505

Why Choose Lloyd Morgan Group for IMI Level 4 EV Training

With two decades supporting workshops, fleets and service operations, Lloyd Morgan Group delivers advanced EV/HEV training rooted in real-world workshop practice.

  • Trainers with hands-on experience of high-voltage systems and heavy vehicle workshop environments
  • Flexible nationwide delivery on-site at your location or at one of our specialist training facilities
  • Course content aligned with IMI qualification standards, HSE guidance and current industry practice
  • Certification that supports compliance, audit evidence and technician development records

FAQs

It qualifies technicians to diagnose, test and repair live high-voltage systems and components in electric and hybrid heavy vehicles, including HGVs, buses and coaches. This goes beyond Level 3, which covers component removal and replacement after isolation. Level 4 covers working on the system while live.

Candidates must have completed Unit EV3 - the IMI Level 3 Award in Electric/Hybrid Vehicle System Repair and Replacement. A minimum of six months' post-Level 3 experience is recommended. Where this has not been met, candidates can provide evidence via the IMI Learner Eligibility form.

Through practical observation, oral assessment and written assessment by an IMI-approved assessor. Unlike Levels 1 and 2, there is no online multiple-choice test at Level 4.

Three days. The qualification has a Total Qualification Time of 33 hours, which includes 21 guided learning hours.

Yes. On-site delivery at your location is the standard approach and is considered best practice by the IMI, allowing technicians to work on the vehicles they maintain day to day.

No. The Level 4 qualification does not cover commercial or domestic electrical installations, including charging equipment and cables.

The IMI TechSafe Professional Register is the IMI's independent recognition scheme for technicians working on high-voltage vehicle systems. Completing this Level 4 Award is an official entry route onto the register, providing independently verified proof of competence.

Yes. Within the IMI electric and hybrid vehicle qualification pathway, Level 4 is the highest level currently available.

Lloyd Morgan Group
  • 01543 897 505

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