Electric Parking Brake System AUTO Function Circuit [10/2020 - 10/2023]: Procedure

1. Check the brake control / dynamic control systems DTCs and check if speed sensor system or stop light switch system DTCs are stored.

   Refer to DTC CHECK / CLEAR [10/2020 - 10/2023]

   Chassis > ABS/VSC/TRAC > Trouble Codes 

   Result

   Result	Proceed to
   DTC is not output	A
   DTC is output	B

Result: 

B 

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 10/2023] 

Result: 

A 

See step  2

1. Check the DTCs for any electronic shift lever system malfunctions.

   for 2WD: Refer to DTC CHECK / CLEAR [10/2017 - 10/2023]

   for AWD: Refer to DTC CHECK / CLEAR [10/2017 - 10/2023]

   Powertrain > Hybrid Control > Trouble Codes 

   Result

   Result	Proceed to
   DTC is not output	A
   DTC is output	B

Result: 

A 

REPLACE PARKING BRAKE ECU ASSEMBLY. Refer to  REMOVAL [10/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023] 

Result: 

B 

GO TO ELECTRONIC SHIFT LEVER SYSTEM 

for 2WD: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2017 - 10/2023]

for AWD: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2017 - 10/2023]