M indicator does not come on even though paddle shifter + (upshift switch) or paddle shifter − (downshift switch) is operated in sequential shift mode
Probable Cause(s)
  1. F-CAN communication line error
  2. Gauge control module defective
  3. PCM defective
Notes
  • Check the F-CAN communication line for a DTC; R20A3 engine model, K24Z3 engine model.
  • Check the A/T gear position indicator drive circuit in the gauge control module by using the gauge control module self-diagnostic function.