ACC / B1013 31

Read the instructions below then start the fault diagnostic procedure.

Symptom: Possible deterioration in climate comfort.

B1013 31

Fault symptom

Possible deterioration in climate comfort.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Diagnostics run when ignition is ON.

Fault criteria:

Control module on-board diagnostics has detected a EEPROM error.

System reaction to a fault:

The control module uses basic settings.

Diagnostic help

See "Before changing a control module" and "After fitting a control module" under Fault diagnosis, general.

Diagnostic help

Diagnosis regards:

To locate electrical faults in the control module internal electronics.

Functions in the diagnostic tool related to the fault:

See menu "All - Add/Remove"