Hyundai Sonata: Electronic Parking Brake (EPB) / EPB malfunction indicator

If the EPB Malfunction Indicator remains on, comes on while driving, or does not come on when the Engine Start/Stop button is in the ON position, this indicates the EPB may have malfunctioned. Have your vehicle checked by an authorized HYUNDAI dealer as soon as possible.

The EPB Malfunction Indicator may illuminate when the ESC indicator comes on to indicate that the ESC is not working properly, but it does not indicate a malfunction of the EPB.

NOTICE

Warning messages
WARNING Whenever leaving the vehicle or parking, always come to a complete stop and continue to depress the brake pedal. Move the shift lever into the P (Park) position, press the EPB switch, an ...

Emergency braking
If there is a problem with the brake pedal while driving, emergency braking is possible by pulling up and holding the EPB switch. Braking is possible only while you are holding the EPB switch. Howev ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Heater & A/C Control Unit (DATC) Components and Components Location
Components Connector [A] Pin NOFunctionPin NOFunction1ILL+ (TAIL)21Detent OUT (+)2Sensor REF (+5V)22HTD (Rear defog indicator)3Mode control actuator (Vent)23Rear defog switch4Mode control actuator (Defrost)24C_CAN High5Mode control actuator (Feedback)25C_CAN Low6Intake actuator (Fresh)26ECV+7Int ...

Hyundai Sonata LF 2014-2019 Service Manual: Crankshaft Position Sensor (CKPS) Troubleshooting
Waveform This example shows a typical Crankshaft Position Sensor(CkPS) and Camshaft Position Sensor(CMPS) waveform at idle.The PCM controls the injection and ignition timing by using these signals. Generally CkPS signal is used to detect the piston's position and CMPS signal is used to de ...

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