The Hyundai hybrid system has a motor control unit (MCU) and hybrid control unit (HCU).
Many alternator problems turn out to be nothing more than a bad connection at the alternator or a bad wiring harness.
If an EV with a full battery won’t start, here’s how you can get it up and running.
Typically, when you’re doing a parasitic draw test, you watch the meter and wait for the amperage load to drop and the various systems to go to sleep. But on this truck, something was staying awake. Time for a different approach to the problem.