CHECK GEARBOX warning lamp

Symptom: The lamp does not go on or is on constantly. Note that the CHECK GEARBOX warning lamp undergoes a function test for 3 seconds when the ignition key is turned to the ON position.

CHECK GEARBOX warning lamp

Fault symptoms

The lamp does not go on or is on constantly. Note that the CHECK GEARBOX warning lamp undergoes a function test for 3 seconds when the ignition key is turned to the ON position.

Diagnostic procedure

1 Check the lamp

-	Connect a diagnostic tool.

-	Select " Data Display / Output Control (New)".

-	Select " CHECK GEARBOX Lamp".

Does the lamp work?

Yes

Rectify the relevant lead and continue with step 2.

no

Change the bulb, see Service Manual 3:5 "Electrical system, main instrument unit" and continue with step 2.

2 Final check

-	Clear all diagnostic trouble codes in the system.

•

Perform a check of functionality.

All OK?

Yes

The steps taken to rectify the fault were correct.

no

Continue with Diagnostic procedure before replacing control module