DTC C1211: SLA Linear Solenoid; DTC C1212: SLR Linear Solenoid; DTC C1225: SA1 Solenoid Circuit; DTC C1226: SA2 Solenoid Circuit [06/2018 - ]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [06/2018 - ]

   Chassis > ABS/VSC/TRAC > Clear DTCs 

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

   Refer to DTC CHECK / CLEAR [06/2018 - ]

   Chassis > ABS/VSC/TRAC > Trouble Codes 

   HINT: 

   If a DTC for undervoltage is output, first troubleshoot the power source system.

   Result

   Result	Proceed to
   DTCs C1211, C1212, C1225 and C1226 are not output.	A
   A DTC related to low voltage is output.	B
   DTCs C1211, C1212, C1225 and/or C1226 are output.	C

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

Result: 

B 

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to  DIAGNOSTIC TROUBLE CODE CHART [06/2018 - 07/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [07/2019 - 08/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2020 - 08/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2021 - ] 

Result: 

C 

REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY. Refer to  REMOVAL [06/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ]