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Advanced High-Voltage
Diagnostics & Troubleshooting

We find faults in the high-voltage electronics of electric and hybrid cars.

We work on the high-voltage parts of electric and hybrid cars. A scan tool is not enough on a modern EV, so we test the high-voltage system itself.

Computer diagnosisDetailed analysis of every HV part
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Illustration: a translucent electric car showing the high-voltage cables from the battery to the drive units, charger and DC‑DC converter
Measuring point on a high-voltage cable
Measuring point on a high-voltage cableIllustration

What we
diagnose

We troubleshoot the whole HV system:

  1. 01

    Power Electronics

    In-depth diagnosis of Inverters and DC-DC Converters.

  2. 02

    Charging Systems

    Specialist troubleshooting for Onboard Chargers (OBC) and charging communication failures.

  3. 03

    Drive units

    Identifying faults in electric motors, rotors, and internal sensors.

  4. 04

    HV Auxiliary Components

    Diagnostics for high-voltage PTC heaters and complex cabling.

  5. 05

    System Communication

    Resolving critical errors between HV control modules and the vehicle's main computer.

A Jaguar I-Pace connected to a diagnostic tablet in the workshop
From the workshop

Why choose our
diagnostic approach?

We read the error codes, then measure the signals and the electrical condition of each component.

When we find the exact point of failure, the repair is faster and costs less.

Quality and
warranty

Every repair ends with a test and a report.

Testing
Every car gets a final inspection.
Transparency
You receive a detailed report of all work performed.
Warranty
Each type of repair has its own warranty. See the warranty periods on the prices page. The warranty comes in addition to your rights under Norwegian consumer law.

Warning light, lost range or a quote for a new pack? Tell us what the car does.

Request a diagnosis