NOTE: When replacing the ESC Control Unit (HECU), extract the variant code from the existing module and input it to the new HECU using KDS. (Use one of the following lists.)

Connect the KDS and select the menu "Variant coding (Backup and Input)" and follow the on-screen instructions.
Connect the KDS and select the menu "System Identification" and note the existing variant code and input it to the new HECU using the menu "ESC Variant Coding".

Turn ignition OFF and disconnect the negative (-) battery cable.
Pull up the lock of the HECU connector and then disconnect the connector (A).

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Separate the brake tubes from the HECU by unlocking the nuts (6-ea) counterclockwise using a wrench.
Tightening torque:

13.7-16.7 N.m(1.4- 1.7kgf.m, 10.1 -12.3 lb.ft)

Courtesy of KIA MOTORS AMERICA, INC.

Tightening torque:

18.6-22.6 N.m(1.9-2.3kgf.m, 13.7-16.6 lb.ft)

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Loosen the ESC control module mounting nut (A) and then remove the ESC control module from the vehicle.
Tightening torque:

19.6-29.4 N.m(2.0-3.0kgf.m, 14.4-21.7 lb.ft)

Courtesy of KIA MOTORS AMERICA, INC.
Separate the bracket (B) after removing the mounting bolt from the HECU (A).

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Repair Procedures: Removal

Use the Manual With the Right Hardware

When to See a Mechanic