DTC C1288, C1440 [DSC]


id040220804200

DTC

C1288, C1440

Brake fluid pressure sensor

DETECTION CONDITION

• C1288
- The voltage value from the brake fluid pressure sensor is not within specification.
• C1440
- The value output from the brake fluid pressure sensor when braking does not change.
- The pressure value from the brake fluid pressure sensor is not within specification when decelerating.
- The pressure value from the brake fluid pressure sensor when not braking exceeds specification.

POSSIBLE CAUSE

• Brake fluid pressure sensor malfunction
• Open or short circuit in the brake fluid pressure sensor circuit in DSC HU/CM

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.
(See DTC Table.)
No
DTC troubleshooting completed.