C0131

C0131
Pressure sensor failure

Fault Symptoms
TC/ESP OFF on

ABS lamp on

ABS, TCS or ESP inoperative

Conditions
The signal from the pressure sensor exceeds 4.75 V or is less than 0.25 V for 0.1 s.

The power supply to the pressure sensor exceeds 5.6 V or is less than 4.4 V for 0.06 s.

Faulty signal from pressure sensor

Diagnostic Help

Note: Before conducting fault diagnosis of the pressure sensor, the brake light circuit must first be checked. See Brake lights.

A pressure reading can be taken using the diagnostic tool. The value should be 0 when the pump is at rest and the brake pedal fully released.