125000470 - C05 AUTOMATIC-MANUAL SHIFT

The vehicle switches to manual by itself when driving in automatic
It should be remembered that operating strategies make provision to implement a gear change suggestion via the lever/buttons on the steering wheel and it remains in City mode
Results of the tests
0CONTROL UNIT ERRORS CHECKAll OKProblems metOperation

Check that there are no control unit errors. In particular:

  • No accelerator pedal information error
Continue to Step 2Presence of error signalledContinue to Step 1
1CHECKS ON FAULTS DETECTEDAll OKProblems metOperation
Check the faults according to See Test    See Test 2127I What to do for error in Selespeed control unitEnd of diagnosisFaulty connectionsRepair/replace the wiring
2CITY BUTTON CHECKAll OKProblems metOperation
Check that the City button is working properly (no false contacts) following See Test    See Test 2127H CHECK ON AUTO BUTTON AUTOMATIC OPERATION SELECTIONContinue to Step 3There is no change of state and/or the ''CITY'' button is not displayedCheck the switch and the wiring Repair/replace the part that is not working
3CHECK FOR LEVER/BUTTON FALSE CONTACTS AT THE STEERING WHEELAll OKProblems metOperation
With the vehicle in CITY mode, road test it over an unmade road to check for the presence of false contacts at the leverContinue to Step 4There are spontaneous shifts from City to manualCheck the wiring and the switches/gear lever Repair/replace the part that is not working
4AFTER THE CHECK ON THE CORRECT OPERATION OF THE GEAR LEVERAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisThe fault persistsContact Technical Service for further information on the problem