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C0131

Read the instructions below then start the fault diagnostic procedure.

Symptom: TC/ESP OFF on ABS lamp on ABS, TCS or ESP inoperative

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 circuit for the brake light switch 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.