Pcm Code P041 - No Cam Sensor Signal: Notes
WARNING: This page is about a different car, the 1993 Cadillac Seville and 1993 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
Camshaft position sensor is located inside distributor and provides one pulse per rotation of distributor. PCM uses cam sensor signal to determine location of camshaft for proper fuel distribution. PCM Code P041 sets when PCM is receiving reference pulses and does not detect any cam sensor pulses.