DTC C1245: Deceleration Sensor [02/2019 - 12/2021]: Procedure

1. Check for DTC.

   Refer to DTC CHECK / CLEAR [02/2019 - 12/2021]

   Chassis > ABS/VSC/TRAC > Trouble Codes 

   Result

   Proceed to
   DTC is not output
   DTC is output

Result: 

DTC is output 

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster). Refer to  DIAGNOSTIC TROUBLE CODE CHART [02/2019 - 10/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2019 - 06/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [06/2020 - 08/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2020 - 12/2021] 

Result: 

DTC is not output 

See step  2

1. Clear the DTC.

   Refer to DTC CHECK / CLEAR [02/2019 - 12/2021]

   Chassis > Electric Parking Brake > Clear DTCs 

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

   Refer to DTC CHECK / CLEAR [02/2019 - 12/2021]

   Chassis > Electric Parking Brake > Trouble Codes 

   Result

   Proceed to
   DTC is output
   DTC is not output

Result: 

DTC is output 

REPLACE AIRBAG ECU ASSEMBLY. Refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021] 

Result: 

DTC is not output 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ]