ABS With ESP and TCS

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
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.