CHECK INSTRUMENT PANEL (M548A3) Continued
TRANS LOW OIL PRESS warning light comes ON when transmission oil pressure may be below safe operating range.
To check, place transmission shift controller in SL (Steering Wheel Lock). Increase engine speed to at least 1600 rpm
and then reduce it to l400 rpm. If warning light remains ON, troubleshoot transmission (WP 0055 00).
TRANS LOW OIL PRESS warning light may come ON when brakes are released. The light
should go OFF when engine speed reaches about 1400 rpm.
TRANS OIL HI DIFF PRESS warning light comes ON when transmission oil filter requires maintenance action. If
warning light comes ON, notify unit maintenance.