DTC Troubleshooting: P0602
DTC P0602: Boot Mode(Programming Error)
NOTE:
Before you troubleshoot, review the General Troubleshooting Information.
This DTC is indicated when the TCM update procedure is not completed.
Do not turn the vehicle to the OFF (LOCK) mode while updating the TCM. If you do, the TCM can be damaged.

DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0602 Boot Mode(Programming Error)
      

1.
Problem verification (update):

Problem verification (update)
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Update the TCM.

?4.
Turn the vehicle to the OFF (LOCK) mode.

?5.
Turn the vehicle to the ON mode.

?6.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0602 Boot Mode(Programming Error)
      

Is DTC P0602 indicated?

     
YES
     
     
     
The failure is duplicated. Replace the TCM.?
     
NO
     
     
     
Update is complete.?