DTC B15F6: Main Body ECU Vehicle Information Reading/Writing Process Malfunction [12/2019 - 10/2022]: Procedure

1. Use the GTS to check if the CAN communication system is functioning normally.

   for HV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2021] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2021 - 10/2022]

   for Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022]

   OK

   CAN communication DTCs are not output.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO CAN COMMUNICATION SYSTEM 

for HV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2021] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2021 - 10/2022]

for Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022]

Result: 

OK 

See step  2

1. Check if the power door lock control system is malfunctioning.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023]

   HINT: 

   Customization may not be possible depending on the malfunction in the power door lock control system.

   OK

   No malfunctions are present in the power door lock control system.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023] 

Result: 

OK 

See step  3

1. Check if the wireless door lock control system is malfunctioning.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023]

   HINT: 

   Customization may not be possible depending on the malfunction in the wireless door lock control system.

   OK

   No malfunctions are present in the wireless door lock control system.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO WIRELESS DOOR LOCK CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023] 

Result: 

OK 

See step  4

1. Check if the lighting system (for Interior) is malfunctioning.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023]

   HINT: 

   Customization may not be possible depending on the malfunction in the lighting system (for Interior).

   OK

   No malfunctions are present in the lighting system (for Interior).

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO LIGHTING SYSTEM (for Interior). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023] 

Result: 

OK 

See step  5

1. Check if the lighting system (for Exterior) is malfunctioning.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023]

   HINT: 

   Customization may not be possible depending on the malfunction in the lighting system (for Exterior).

   OK

   No malfunctions are present in the lighting system (for Exterior).

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO LIGHTING SYSTEM (for Exterior). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023] 

Result: 

OK 

See step  6

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  7

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

   Body Electrical > Navigation System > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

A 

END 

Result: 

B 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022]