Mobile HV System Repair
Independent High-Voltage Specialist | London Mobile Support
Dispatch & Bookings
07779 836677HV Technical Lead
07448 457247Isolation Fault Diagnostics
Frequent "Drive System Fault" errors are caused by HV insulation leaks. We use 1000V Megohmmeter testers to safely trace leaks in orange cabling, compressors, or motor windings on-site.
- 1000V Megger Testing
- Orange Cable Audit
- Component Isolation
- Error Logic Reset
Contactor & Interlock Fix
If your car won't "Ready" or click into gear, the HV battery contactors or the High-Voltage Interlock Loop (HVIL) may be compromised. We diagnose and repair interlock breaks mobile.
- HVIL Circuit Repair
- Contactor Diag
- Pilot Signal Trace
- Safety System Reset
Power Electronics Diag
We provide mobile diagnostics for Inverters and DC-DC Converters. If your 12V battery isn't charging from the main pack or the motor has lost torque, our dealer-level tools can identify the hardware failure.
- Inverter Health Scan
- DC-DC Load Testing
- GDU Logic Audit
- Phase Current Check
HV A/C & PTC Heaters
High-Voltage accessories like the A/C compressor or PTC cabin heater often cause full system shutdowns if they short-circuit. We isolate and replace these components to restore driveability.
- HV Compressor Diag
- PTC Heater Repair
- Coolant Pump Fix
- System Re-gassing