TCS/ESP / C0186 03

Read the instructions below then start the fault diagnostic procedure.

Symptom: ESP warning lamp on. Message appears in display.

C0186 03

Fault symptom

ESP warning lamp on.

Message appears in display.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Test 1

At least 500 metres of normal driving at a speed over 15 km/h.

Test 2

Car speed over 15 km/hr for more than 60 s.

Fault criteria:

Test 1

Unfeasible value from lateral acceleration sensor.

Test 2

Signal from lateral acceleration sensor is constant for more than 60 seconds.

System reaction to a fault:

No ESP function

Diagnostic help

Diagnosis regards:

Electrical fault in the component.

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The sensor is a combined yaw angle sensor and lateral acceleration sensor.

The diagnostic trouble code can also be generated if the yaw rate sensor is improperly installed.

Functions in the diagnostic tool related to the fault:

Test value:

Lateral Acceleration

(See also description of readings/activations in diagnostic tool)