DTC U1306-51: Software Incompatibility with Power Steering Control Module Rear Not Programmed; DTC U1306-57: Software Incompatibility with Power Steering Control Module Rear Invalid/Incompatible Software Component [05/2023 - ]: Procedure

1. Check for DTCs.

   Chassis > DRS > Trouble Codes 

   HINT: 

   If the pre-collision system outputs U0319-51 or U0319-57, dynamic rear steering system DTCs may also have been output. Check the dynamic rear steering system first.

   Result

   Result	Proceed to
   DTC are not output	A
   DTC is output (Dynamic Rear Steering System)	B

Result: 

A 

REPLACE DRS ECU (REAR STEERING CONTROL ECU). Refer to  REMOVAL [05/2023 - ] 

Result: 

B 

GO TO DYNAMIC REAR STEERING SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - ]