DTC C2A5D: BSM Buzzer Malfunction [06/2018 - 09/2022]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Blind Spot Monitor Slave / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > Blind Spot Monitor Slave > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Buzzer Connection	Status of the buzzer connection	Valid or Invalid	Valid: Buzzer connection is valid Invalid: Buzzer connection is invalid	-
   Slave Side RCTA Function	Switches the RCTA function on and off	OFF or ON	OFF: RCTA function off ON: RCTA function on	-

   Body Electrical > Blind Spot Monitor Slave > Data List 

   Tester Display
   Buzzer Connection
   Slave Side RCTA Function

   Result

   Result	Proceed to
   "Valid" and "ON" is displayed for all items.	A
   "Invalid" or "OFF" is displayed.	B

Result: 

B 

GO TO BLIND SPOT MONITOR SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

Result: 

A 

See step  2

1. Clear the DTCs.

   Chassis > Rear Camera > Clear DTCs 

2. Recheck for DTCs and check that no DTCs are output.

   Chassis > Rear Camera > Trouble Codes 

   Result

   Result	Proceed to
   DTC C2A5D is output	A
   DTC C2A5D is not output	B

Result: 

B 

REPLACE REAR TELEVISION CAMERA ASSEMBLY. Refer to  REMOVAL [06/2018 - 09/2022] 

Result: 

A 

See step  3

1. Check for DTCs.

   Body Electrical > Blind Spot Monitor Slave > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1ABE is output	A
   DTC C1ABE is not output	B

Result: 

A 

GO TO DIAGNOSTIC TROUBLE CODE CHART (C1ABE). Refer to  DTC C1ABE: Short to GND or Open in Buzzer [06/2018 - ] 

Result: 

B 

GO TO BLIND SPOT MONITOR SYSTEM (PROBLEM SYMPTOMS TABLE). Refer to  PROBLEM SYMPTOMS TABLE [06/2018 - ]