Transmission Shift Quality C-Clutch Snap Ring
This bulletin involves removing the transmission, disassembling, and replacing the
C-Clutch snap ring.
A small number of customers may experience less than desired shift quality during a 5-4
downshift and/or Malfunction Indicator Lamp (MIL) Illumination. Upon further inspection,
the technician may find Diagnostic Trouble Code (DTC) U0402 setting in the Powertrain
Control Module (PCM) memory.