Code help P1747,1605,1163
 

I have a new problem which appeared just last night. My BAS light came on and just shortly after my cel and oil light came on together. The odd thing is the oil pressure gage continues working but the temp gauge and speed odometer both dropped to o.(mpg gauge quits working also) These gauges will jump to normal sporadically and the cel and oil light will go off but leaving the BAS on. The transmission will start to drop into gears hard. Any suggestions? 1999 S50 208K

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