DTC Troubleshooting: U0302 (AT): Notes

DTC U0302  : Software Incompatibility With Transmission Control Module

How to use this manual .

NOTICE:  

• Before you troubleshoot, review the How to Troubleshoot .
• Do not turn the vehicle to the OFF (LOCK) mode while updating the TCM. If you do, the TCM can be damaged.

NOTE:  This DTC is indicated when the TCM update procedure is not completed.