DTC C1A45: Vehicle Speed Sensor [12/2019 - 11/2023]: Procedure

1. Check for electronically controlled brake system DTCs.
   1. For Gasoline Model:

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

   2. For HV Model:

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

   OK

   Electronically controlled brake system DTCs are not output.

   Result

   Result	Proceed to
   OK	A
   NG (for Gasoline Model)	B
   NG (for HV Model)	C

Result: 

B 

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2019 - 10/2022]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 11/2023] 

Result: 

C 

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2019 - 10/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2021 - 11/2023] 

Result: 

A 

See step  2

1. Turn the ignition switch off.
2. Turn the ignition switch to ON.
3. Recheck for DTCs and check if the same DTC is output again.

   Body Electrical > Blind Spot Monitor Master > Trouble Codes 

   Body Electrical > Blind Spot Monitor Slave > Trouble Codes 

   Result

   Result	Proceed to
   No DTCs are output	A
   DTC C1A45 is output ("Blind Spot Monitor Master")	B
   DTC C1A45 is output ("Blind Spot Monitor Slave")	C

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

Result: 

B 

REPLACE BLIND SPOT MONITOR SENSOR LH (MASTER). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

Result: 

C 

REPLACE BLIND SPOT MONITOR SENSOR RH (SLAVE). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]