When in "city" mode the gears don't engage

Troubleshooting table Symptom/conditions: When in "city" mode the gears don't engage
 
  • Sometimes no gear can be engaged using the lever for a few seconds
  • Reverse and/or neutral cannot be engaged
  • It is not possible to request a gear change from the gear lever (gear suggestion 156 JTS)
DIAGNOSTICS
 
Test results
Step Operations
0
Check oil level
All OK
Problems found
Intervention
  Check oil level as shown in Procedure 2 Go to step 1 Level other than max Do Procedure 3
1
Check oil pressure
All OK
Problems found
Intervention
  Check oil pressure as shown in Procedure 4 Go to step 2 Press < 40 bar Do Procedure 5
2
Correct lever and city button functioning check
All OK
Problems found
Intervention
  Check correct functioning of the lever and the city button following Procedure 8 and Procedure 9. Go to step 4 Lever or button do not work correctly. Check conditions of connections and wiring. Restore/replace broken parts. Go to step 3.
3
After checking the correct functioning of the lever and the city button
All OK
Problems found
Intervention
 

Check that the problem is no longer present.

End of procedure The problem persists Go to step 6
4
Check ECU errors
All OK
Problems found
Intervention
 

Check ECU for absence of errors. Specifically check for:

  • 0/1/2/3 lever switch errors
Go to step 6 Presence of one or more errors included in the list Go to step 5
5
Check problems found
All OK
Problems found
Intervention
  Check problems according to Procedure 17 End of procedure The problem persists Go to step 6
6
The problem persists
All OK
Problems found
Intervention
        Contact technical assistance for additional information on the problem