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ICM3 / B1020 35

Read the instructions below then start the fault diagnostic procedure.

  B1020 35


Control Module. Internal Fault



On-board diagnosis

Type of diagnosis:

Diagnostics performed when control module goes to standby.

Enable criteria:

Ignition ON.

Fault criteria:

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

Diagnostic help

Change the control module.

See "Procedure for control module replacement"

Diagnostic help

Functions in the diagnostic tool related to the fault:

See menu "All - Add/Remove"