London Mobile EV Diagnostics
Specialist Fault Finding | All Electric & Hybrid Models
Dispatch & Bookings
07779 836677Master Technician
07448 457247HV System Diagnostics
We troubleshoot "Electrical System Fault" and "High Voltage Error" messages using insulation resistance testers and manufacturer-specific software to identify faulty modules or contactors.
- Isolation Testing
- Contactor Status
- Interlock Checks
- Cell Balancing
Dealer-Level Scanning
Equipped with Tesla Toolbox, VAG ODIS, Mercedes XENTRY, and BMW ISTA. We perform coding, adaptations, and deep-level ECU resets that standard multi-brand scanners cannot access.
- Tesla Diagnostics
- VAG / Audi ODIS
- MB Xentry Support
- BMW ICOM / ISTA
Charging Logic Errors
If your car won't "handshake" with London public chargers or home wallboxes, we diagnose On-Board Chargers (OBC), CP/PP pilot signals, and motorized port latch failures.
- OBC Diagnostics
- Port Latch Repair
- Handshake Tracing
- Thermal Sensor Fix
12V Battery & Coding
EVs are highly sensitive to 12V health. We provide mobile testing and replacement of AGM/Li-ion auxiliary batteries, including the essential BMS registration and sleep-cycle audits.
- BMS Registration
- AGM Replacement
- DC-DC Health Check
- Parasitic Draw Diag