DTC B15F8: D-Seat 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 front power seat control system (w/ Memory) 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 front power seat control system (w/ Memory).

   OK

   No malfunctions are present in the front power seat control system (w/ Memory).

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO FRONT POWER SEAT CONTROL SYSTEM (w/ Memory). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023] 

Result: 

OK 

See step  3

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

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 RECEIVER ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022]