Hyundai Tucson: Warnings and indicators / Anti-lock brake system (ABS) warning light

This light illuminates if the ignition switch is placed in the ON position and goes off in approximately 3 seconds if the system is operating normally.

If the ABS warning light remains on, comes on while driving, or does not come on when the ignition switch is placed to the ON position, this indicates that there may be a malfunction with the ABS.

If this occurs, have your vehicle checked by an authorized HYUNDAI dealer as soon as possible. The normal braking system will still be operational, but without the assistance of the anti-lock brake system.

Air bag warning light
This warning light will illuminate for approximately 6 seconds each time you place the ignition switch in the ON position. This light also comes on when the Supplemental Restraint System (SRS) is ...

Electronic brake force distribution (EBD) system warning light
If these two warning lights illuminate at the same time while driving, your vehicle may have a malfunction with the ABS and EBD system. In this case, your ABS and regular brake system may not wor ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Smart Key Unit Components and Components Location
Components (1) Connector Pin Information No.Connector AConnector BConnector C1V_BAT loadC_CAN LowSSB illumination ground2-C_CAN HighImmo indicator3Power ground1--4IGN1Stop lamp fuseInterior antenna #2 power5IGN1 relayBrake switchInterior antenna #1 power6ACCImmobilizer antenna power-7IGN2--8SSB ...

Hyundai Tucson (LM) 2010-2015 Owners Manual: Immobilizer System
The immobilizer system protects your vehicle from theft. If an improperly coded key (or other device) is used, the engine’s fuel system is disabled. When the ignition switch is placed in the ON position, the immobilizer system indicator should come on briefly, then go off. If the indicator s ...

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