DTC C1288, C1290, C1953


id040200801800

DTC
C1288, C1290, C1953
Brake fluid pressure sensor system
DETECTION CONDITION
•  C1288
―  The pressure from the brake fluid pressure sensor when the system starts up is not within specification.
•  C1290
―  The standard brake fluid pressure calculated in the DSC HU/CM when not braking exceeds the specification.
•  C1953
―  The output voltage from the brake fluid pressure sensor is not within specification.
POSSIBLE CAUSE
•  Open or short circuit in the brake fluid pressure sensor circuit in the DSC HU/CM
•  Malfunction in the brake fluid pressure sensor

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY NO ABNORMALITY ON BRAKE FLUID PRESSURE SENSOR
•  Clear the DTCs from the memory.
•  Start the engine and drive the vehicle at 10 km/h {6.2 mph} or more.
•  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 THAT NO OTHER DTCS ARE PRESENT
•  Are any other DTCs output?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.