A/T gear position indicator does not come on while shift lever is in that position
Probable Cause(s)
F-CAN communication line error
Gauge control module defective
PCM defective
Transmission range switch 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.
Inspect the transmission range switch;
R20A3 engine model,
K24Z3 engine model.