DTC C13A9/61: Brake Control System Malfunction [03/2017 - 09/2018]: Procedure

1. Check for DTC.

   Refer to DTC CHECK / CLEAR [03/2017 - 09/2018]

   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  DIAGNOSTIC TROUBLE CODE CHART [03/2017 - 09/2018] 

Result: 

A 

See step  2

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [03/2017 - 09/2018]

   Chassis > Electric Parking Brake > Clear DTCs 

2. Turn the engine switch off.
3. Check for DTC.

   Refer to DTC CHECK / CLEAR [03/2017 - 09/2018]

   Chassis > Electric Parking Brake > Trouble Codes 

   Result

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

Result: 

A 

REPLACE PARKING BRAKE ECU ASSEMBLY. Refer to  REMOVAL [03/2017 - 05/2023] 

Result: 

B 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - 04/2020]