Software Incompatibility with TCM
2000-2005 Mitsubishi Eclipse 3.0L V6
Description
The data from the Transmission Control Module is incompatible or corrupted.
Symptoms
- Transmission shift problems
- Harsh shifting
- Check Engine Light
- Transmission warning light
Common Causes
- TCM software mismatch
- TCM programming incomplete
- Wrong TCM calibration
- TCM-ECM version conflict
Diagnostic Steps
- Check TCM software version
- Compare ECM and TCM software compatibility
- Reprogram TCM
- Check for TSBs
- Verify correct calibration file
Repair Notes
Reprogram TCM with correct calibration that matches the ECM software version.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0302 on Other Vehicles
Mitsubishi 3000GT
1991-1999 3.0L V6
Mitsubishi 3000GT VR-4
1991-1999 3.0L Twin Turbo V6
Mitsubishi 3000GT VR-4
1991-1999 3.0L V6 Twin Turbo
Mitsubishi Colt JP
2002-2012 1.3L I4 4A90
Mitsubishi Colt JP
2002-2012 1.5L I4 4A91
Mitsubishi Delica D:5
2019-2025 2.2L I4 Turbo Diesel 4N14
Mitsubishi Diamante
1992-1996 3.0L V6
Mitsubishi Diamante
1997-2004 3.5L V6
Common Questions
What does code U0302 mean on a 2000-2005 Mitsubishi Eclipse?
U0302 stands for "Software Incompatibility with TCM". The data from the Transmission Control Module is incompatible or corrupted.
What are the symptoms of U0302 on a Mitsubishi Eclipse?
Common symptoms of U0302 include: Transmission shift problems, Harsh shifting, Check Engine Light, Transmission warning light.
What causes U0302 on a 2000-2005 Mitsubishi Eclipse?
Common causes of U0302 include: TCM software mismatch, TCM programming incomplete, Wrong TCM calibration, TCM-ECM version conflict.