[Warning Lamp]

WARNING: This page is about a different car, the 2017 Hyundai Sonata and 2016 Hyundai Sonata. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Warning Lamp

Courtesy of HYUNDAI MOTOR AMERICA

Items	Description	Related Control Module
1. MIL Lamp	Lamp ON: Engine Management System (EMS) fault	ECM, TCM, OPU, HCU, MCU, BMS, AAF
2. Service Lamp	Lamp ON: Hybrid related system fault	HCU, MCU, BMS, LDC, OPU
3. READY Lamp	After ignition START Lamp ON: HEV in normal condition is ready to drive (Engine may or may not start) Lamp OFF: HEV is not ready to drive During driving Lamp ON: HEV is ready to drive Lamp Blinking: HEV in faulty condition (HEV in limited operating mode) Lamp OFF: HEV is not ready to drive	HCU
4. EV MODE Lamp	Lamp ON: EV mode (Electric motor only) Lamp OFF: HEV mode (Engine running)	HCU