2022 Editions Archives - UnderhoodService
Hybrid Vehicle Fluid Maintenance

There are opportunities your shop can’t pass up just because the car or SUV has a hybrid badge on the back.

Reflashing Power Supplies

A power supply to keep the system voltage consistent is a required piece of equipment to perform a reflash procedure.

OBDII Connectors

OBDII connectors serve as the main communication point between the technician and the vehicle.

Power Window Regulator and Motor Service

Power windows are great as long as they roll up and down when commanded to do so.

Throttle-By-Wire Diagnostics

Throttle-by-wire systems proactively manage the air and fuel going into the combustion chamber.

Hyundai & Kia Hybrid Drivetrain

The Hyundai hybrid system has a motor control unit (MCU) and hybrid control unit (HCU).

Mode $06 Misfire Diagnosis

Understanding why ‘Mode $06’ was developed and how it works to identify misfires.

Valve Lifter Technology

Hydraulic lifters are precision-fit assemblies.

Exhaust Gas Recirculation Operation and Diagnostics

Since exhaust gas does not burn, this lowers the combustion temperatures and reduces NOx emissions from the engine.

EV Opportunities

You are gaining and retaining many service opportunities with Evs.

Voltage Drop Testing

The measurement of voltage is like the speed of the traffic.

CAN Bus Communications

There are three types of bus configurations that you will come in contact with — loop, star and a hybrid of both.