ICM1 / B3986 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: Message appears in display.

B3986 00

Fault symptom

Message appears in display.

On-board diagnosis

Enable criteria:

Ignition ON.

Fault criteria:

Immobilizer code cannot be programmed in CU / PU.

Diagnostic help

Functions in the diagnostic tool related to the fault:

See menu "All - Add/Remove"