DTC C1040: Stability Control System Function Failure
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
Stability control is active for more than specified time
without yaw rate change.
DTC Troubleshooting
Step
1
Was "Electronic Stability Program Check" performed
2
Check DTC for ESP®
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ignition switch ON and check DTC for ESP®.
Is there any DTC(s) other than C1040?
DTC C1041 / C1042 / C1043 / C1044 / C1045 / C1046 / C1051 / C1052 / C1053 / C1054 / C1055 / C1056:
Inlet Solenoid Circuit Failure, Outlet Solenoid Circuit Failure, Master Cylinder Cut Solenoid Circuit
Failure, Low Pressure Solenoid Circuit Failure
DTC C1041 / C1045 / C1051 / C1055: Right-Front / Left-Front / Right-Rear / Left-Rear Inlet Solenoid
Circuit Failure
DTC C1042 / C1046 / C1052 / C1056: Right-Front / Left-Front / Right-Rear / Left-Rear Outlet Solenoid
Circuit Failure
DTC C1043 / C1044: Master Cylinder Cut Solenoid Circuit No. 1 / No. 2 Failure
DTC C1053 / C1054: Low Pressure Solenoid Circuit No. 1 / No. 2 Failure
Refer to "DTC C1041 / C1042 / C1043 / C1044 / C1045 / C1046 / C1051 / C1052 / C1053 / C1054 / C1055 / C1056:
Inlet Solenoid Circuit Failure, Outlet Solenoid Circuit Failure, Master Cylinder Cut Solenoid Circuit Failure, Low
Pressure Solenoid Circuit Failure in Section 4E".
DTC C1057: ESP® (ABS) control module power supply circuit failure
Refer to "DTC C1057: ABS (ESP®) Control Module Power Supply Circuit Failure in Section 4E".
DTC C1061: Pump Motor and/or Motor Driver Circuit Failure
Refer to "DTC C1061: Pump Motor and/or Motor Driver Circuit in Section 4E".
DTC C1063: Solenoid Valve Power Supply Driver Circuit Failure
Refer to "DTC C1063: Solenoid Valve Power Supply Driver Circuit Failure in Section 4E".
DTC C1071: ESP® (ABS) Control Module Internal Defect
Refer to "DTC C1071: ABS (ESP®) Control Module Internal Defect in Section 4E".
Action
Electronic Stability Program:
Trouble Area
• ESP® control module
Yes
Go to Step 2.
Go to applicable DTC
diag. flow.
4F-35
S6JB0A4604025
No
Go to "Electronic
Stability Program
Check".
Substitute a known-
good ESP® hydraulic
unit / control module
assembly and recheck.
S6JB0A4604026
S6JB0A4604028
S6JB0A4604029
S6JB0A4604030
S6JB0A4604031