High-Voltage Battery Systems
High-voltage system diagnostics, battery health testing, battery cooling-system service, battery removal, replacement and related repairs.
Modern Auto & Tire provides professional service for electric vehicles, plug-in hybrids and hybrid vehicles from Tesla, Toyota, Honda, Ford, Hyundai, Kia, Chevrolet, BMW, Rivian and many other manufacturers. Our trained technicians use advanced diagnostic equipment and high-voltage service tools to properly inspect, maintain and repair electrified vehicles.
From scheduled maintenance and warning-light diagnosis to charging, cooling and high-voltage system concerns, our team can inspect the vehicle, identify the problem and explain your repair options.
High-voltage system diagnostics, battery health testing, battery cooling-system service, battery removal, replacement and related repairs.
Warning-light diagnosis, fault-code testing, reduced-power concerns, drivability problems and electrical troubleshooting using advanced professional diagnostic equipment.
Charging-port diagnosis, onboard charger testing, charging communication problems, wiring concerns and 12-volt electrical system service.
Diagnosis of hybrid inverters, DC-to-DC converters, power-electronics cooling systems and related warning messages.
Brake inspections, brake repairs and diagnosis of concerns involving regenerative braking, electronic brake controls and brake blending.
Electric A/C compressor diagnosis, cabin-heating concerns, climate-control problems, heat-pump service and refrigerant system repairs.
Service and diagnosis for battery, inverter, electric motor and power-electronics cooling systems.
Tires, wheel alignments, cabin air filters, suspension repairs, fluid service, inspections and factory-recommended maintenance.


We service battery-electric vehicles, plug-in hybrids, full hybrids and mild-hybrid vehicles across a wide range of makes and models.
Fully electric vehicles such as the Tesla Model 3 and Model Y, Ford Mustang Mach-E, Chevrolet Bolt, Hyundai Ioniq 5, Kia EV6 and Rivian R1T.
Plug-in hybrid vehicles that combine electric driving with a gasoline engine, including charging systems and dual-powertrain diagnostics.
Self-charging hybrids such as the Toyota Prius, Toyota RAV4 Hybrid and Honda CR-V Hybrid, along with modern 48-volt mild-hybrid systems.
Tesla, Toyota, Honda, Ford, Hyundai, Kia, Chevrolet, Nissan, BMW, Rivian, Lexus, Volvo, Volkswagen, Audi, Mercedes-Benz and more.
Electric and hybrid vehicles require specialized knowledge, high-voltage safety procedures and advanced diagnostic equipment. Modern Auto & Tire is equipped to service these vehicles right here in Tyngsboro.
Schedule a diagnostic visit when your EV or hybrid displays a warning message, stops charging correctly or does not perform as expected.
Yes. We service fully electric vehicles, including models from Tesla, Ford, Chevrolet, Hyundai, Kia, BMW, Rivian and other manufacturers.
Yes. We service Toyota, Lexus, Honda and other full-hybrid and plug-in hybrid vehicles, including maintenance, warning-light diagnosis, brakes, cooling systems and electrical concerns.
Yes. Our technicians can inspect the charging port, onboard charging system, 12-volt electrical system, related wiring and vehicle fault codes to help identify why the vehicle is not charging properly.
Yes. EVs still require tire rotations, wheel alignments, brake inspections, suspension repairs, cabin air filters, cooling system service, air-conditioning service and other routine maintenance.
Complimentary loaner vehicles may be available for qualifying service appointments. Please ask about availability when scheduling your visit.
Modern Auto & Tire is located at 273 Middlesex Road in Tyngsboro, Massachusetts. We serve drivers from Tyngsboro, Lowell, Chelmsford, Dracut, Westford, Nashua and surrounding communities.
Schedule a diagnostic or maintenance visit with Modern Auto & Tire. Our technicians will inspect your vehicle, identify the concern and clearly explain your recommended repair options.
Complimentary loaner vehicles are subject to availability and appointment eligibility. Diagnostic testing may be required before an exact repair recommendation or estimate can be provided.