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EDC16 MY07½ / P1571 5A

Read the instructions below then start the fault diagnostic procedure.

Symptom: Cruise control not working.

  P1571 5A


Brake-Light Switch Circuit Incorrect Signal

Fault symptom

Cruise control not working.

On-board diagnosis

Type of diagnosis:

Continuous

Fault criteria:

The control module has identified a malfunction on the current circuit with an internal assessment logic.

System reaction to a fault:

Cruise control switched off.

Diagnostic help

Diagnosis regards:

Electrical fault in connecting leads or component.

Functions in the diagnostic tool related to the fault:

Test value:
Brake Pedal Switch
Brake Light Switch
(See also description of readings/activations in diagnostic tool)