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
Faulty signal from pressure sensor

Diagnostic help
Before conducting fault diagnosis of the pressure sensor, the brake light circuit must first be checked.

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.