Software Incompatibility with TCM
2014-2016 Chevrolet Spark EV Electric Motor
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
Chevrolet Astro
1995-2005 4.3L V6 Vortec
Chevrolet Avalanche
2002-2006 5.3L V8 Vortec
Chevrolet Avalanche
2002-2006 8.1L V8 Vortec
Chevrolet Avalanche
2007-2013 5.3L V8 Vortec
Chevrolet Avalanche
2007-2013 6.0L V8 Vortec
Chevrolet Aveo
2012-2018 1.6L I4
Chevrolet Beat
2018-2021 1.2L I4
Chevrolet Beretta
1990-1996 2.2L I4
Common Questions
What does code U0302 mean on a 2014-2016 Chevrolet Spark EV?
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 Chevrolet Spark EV?
Common symptoms of U0302 include: Transmission shift problems, Harsh shifting, Check Engine Light, Transmission warning light.
What causes U0302 on a 2014-2016 Chevrolet Spark EV?
Common causes of U0302 include: TCM software mismatch, TCM programming incomplete, Wrong TCM calibration, TCM-ECM version conflict.