DTC C1C50-04: Advanced Drive Control Module System Internal Failure [11/2021 - ]: Procedure

1. Clear the DTCs.

   Chassis > Advanced Drive Control > Clear DTCs 

2. Wait at least 5 minutes.
3. Check for DTCs.

   Chassis > Advanced Drive Control > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1C50-04 is not output	A
   DTC C1C50-04 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 10/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ] 

Result: 

B 

REPLACE ADVANCED DRIVE ECU ASSEMBLY. Refer to  REMOVAL [11/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023]  , or refer to  REMOVAL [10/2023 - ]