199001809 - C005 AUTOMATIC-MANUAL SHIFT (WITHOUT DRIVER REQUEST) (Robotized gearbox)

When driving in automatic, the vehicle switches to manual by itself
1ERRORS IN CONTROL UNIT CHECKAll OKProblems encounteredOperation
Connect Examiner, select "CAN information network", and check for any errors in the control unit.Move on to Step 2Presence of errorsContinue as instructed by the diagnostic equipment
2GEAR LEVER CHECKAll OKProblems encounteredOperation
Connect Examiner to the gearbox control unit and select GEAR LEVER POSITION" in parameters modeMake all possible gear lever selections, checking the correct status change on ExaminerIf the display is not correct, check the connections, wiring continuity and the gear lever    See E7051 ROBOTIZED GEARBOX Check that the gear lever is working properly, carrying out the    See Test 2127OL GEAR LEVER CHECKCheck that the lever is working correctly and especially that it is secure in the automatic (Auto) to Manual position contactsMove on to Step 3The lever states displayed are not correct. Lever contact not secureReplace gear lever    Op. 2127A12 HAND LEVER FOR MANUAL GEARBOX WITH HYDRAULIC SELECTION - R.R.
Faulty lever wiringRestore correct lever wiring.
3GEARBOX CONTROL UNIT OPERATION CHECKAll OKProblems encounteredOperation
Check the condition of the connections and the continuity of the wiring between the lever and the gearbox control unit.Check that the gearbox control unit is working properlyEnd of diagnosisSlack connections at the gearbox control unitRenew the correct connections
Gearbox control unit faultyReplace gearbox control unit    Op. 2127E10 HYDRAULIC SPEED SELECTION SYSTEM CONTROL UNIT - R.R.