Expert hybrid & EV diagnostics
HybridKassim delivers specialist high-voltage diagnostics, battery health checks, electrical fault finding and mobile diagnostic call-outs across Plaistow and Greater London.
Specialist hybrid and EV solutions
From sudden no-start issues to comprehensive high-voltage battery health assessments, we use state-of-the-art diagnostic equipment to pinpoint and resolve electrical faults efficiently.
Battery diagnostics
In-depth testing of hybrid and EV traction packs, module voltage balancing, state-of-health reports, and fault detection.
High-voltage systems
Specialist troubleshooting for inverters, DC-DC converters, isolation faults, and high-voltage interlock safety circuits.
Warning lights & no-start
Precise fault-finding for dash warning lights, ready-mode failure, drive system errors, and sudden vehicle shutdowns.
Mobile call-out service
Can't move your vehicle? Our mobile diagnostic technician comes directly to your home or workshop with full kit.
Precision high-voltage engineering
HybridKassim was founded to bridge the specialist gap in electrified vehicle repairs. Modern hybrid and electric vehicles require dedicated knowledge, certified safety procedures, and dealer-level diagnostic equipment. We deliver transparent, fast, and reliable fault-finding so you can get back on the road with complete confidence.
Why drivers trust HybridKassim
We combine advanced electrical diagnostics with dedicated customer care. Whether you visit us in Plaistow or require our mobile diagnostics unit, your vehicle is handled with the highest safety standards.
David S.
"My hybrid went into limp mode with multiple warning lights. HybridKassim identified the failing module within an hour. Excellent professional service."
Tariq M.
"Saved me hundreds compared to main dealer prices. They arrived with the mobile diagnostic van, found the high-voltage isolation fault, and explained everything clearly."
"Incredible expertise on EV charging and inverter faults. Very quick response on WhatsApp and prompt booking. Highly recommended in East London."
Looking for diagnostic components or tools?
Explore our online shop for verified hybrid battery parts, diagnostic accessories, and testing gear curated by our high-voltage specialists.
Get in touch
Workshop & mobile area
HybridKassim
London, United Kingdom
Mobile call -07517552917
Email: info@hybridkassim.com
WhatsApp - 07517552917