DTC C1994


id040200802200

DTC
C1994
DSC control system
DETECTION CONDITION
•  DSC control for the front wheels continues for 10 s or more.
•  During DSC control, the pressure increase operation to any of the all four wheels does not occur for 1.3 s or more.
POSSIBLE CAUSE
•  This does not indicate a malfunction since constant control over extended period of time is inhibited to protect the DSC solenoid valve inside the DSC HU.

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Clear the DTC from the memory.
•  Are the same DTCs present?
Yes
Replace the DSC HU/CM, then go to the next step.
No
Go to the next step.
2
VERIFY AFTER REPAIR PROCEDURE
•  Are any other DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.