DTC C1300: Skid Control ECU Malfunction [09/2018 - ]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [09/2018 - ]

   Chassis > ABS/VSC/TRAC > Clear DTCs 

2. Turn the engine switch off.
3. Turn the engine switch on (IG).
4. Check if the same DTC is output.

   Refer to DTC CHECK / CLEAR [09/2018 - ]

   Chassis > ABS/VSC/TRAC > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1300 is stored as a present or history DTC.	A
   DTC C1241 is output.	B
   DTCs are not output.	C

Result: 

B 

GO TO DTC (C1241). Refer to  DTC C1241: Low or High Power Supply Voltage; DTC C1242: Open Circuit in IG1/IG2 Power Source Circuit [09/2018 - ] 

Result: 

C 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - 04/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2020 - 05/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ] 

Result: 

A 

See step  2

1. Check the INF code from the Freeze Frame Data stored when DTC (C1300) was stored.

   Refer to FREEZE FRAME DATA [03/2017 - 05/2023] , or refer to FREEZE FRAME DATA [05/2023 - ]

   Chassis > ABS/VSC/TRAC > DTC(C1300) > Freeze Frame Data 

   Tester Display
   Detailed Freeze DTC

   Result

   Result	Proceed to
   INF code 1133, 1134, 1135 or 1136 is output.	A
   INF codes other than 1133, 1134, 1135 and 1136 are output.	B

Result: 

A 

GO TO DTC (C1241). Refer to  DTC C1241: Low or High Power Supply Voltage; DTC C1242: Open Circuit in IG1/IG2 Power Source Circuit [09/2018 - ] 

Result: 

B 

REPLACE SKID CONTROL ECU ASSEMBLY. Refer to  REMOVAL [03/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ]