E39 / P0603 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)

P0603 00

Fault symptom

Fault indicator lamp (for further information see WIS Fault diagnosis, general)

On-board diagnosis

Type of diagnosis:

Diagnostics carried out when the control module is active.

Enable criteria:

Ignition ON.

Fault criteria:

Control module on-board diagnostics has detected a memory fault.

Dependent:

None

Diagnostic help

Diagnosis regards:

To locate electrical faults in the control module internal electronics.

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

Functions in the diagnostic tool related to the fault:

See menu "All - Add/Remove"