( TF09E60E34137300000HAAT07 )
Paddle shifter − (downshift switch) does not gear change
Diagnostic procedure
  1. Paddle shifter − (downshift switch) circuit troubleshooting.
  2. Paddle shifter − (downshift switch) test.
  3. Substitute a known-good TCM, then recheck. If it is OK, replace the original TCM.