DTC U0322-57: Software Incompatibility with Body Control Module Invalid/Incompatible Software Component [11/2023 - ]: Procedure

1. According to the display on the GTS, select "Health Check".

   OK

   DTCs are not output by any system other than the acoustic vehicle alerting system (Acoustic Vehicle Alerting System).

   Result

   Result	Proceed to
   U0322-57 is not output by a system other than the acoustic vehicle alerting system	A
   U0322-57 is output by a system other than the acoustic vehicle alerting system	B

Result: 

B 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [11/2023 - ] 

Result: 

A 

See step  2

HINT: 

Refer to REMOVAL [11/2023 - ]

Result

Result: 

NEXT 

See step  3

1. Clear the DTCs.

   Body Electrical > Acoustic Vehicle Alerting System > Clear DTCs 

2. Turn the ignition switch off.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Check for DTCs.

   Body Electrical > Acoustic Vehicle Alerting System > Trouble Codes 

   Result

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

Result: 

A 

END (VEHICLE APPROACHING SPEAKER CONTROLLER IS DEFECTIVE) 

Result: 

B 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [11/2023 - ]