Eldorado V8-4.6L VIN Y (1994)
Transmission Position Switch/Sensor: Description and Operation
PRNDL-P/N Switch
PURPOSE
The PRNDL switch provides four inputs to the PCM to indicate the transmission gear position. Gear position information is used by the PCM to
control shift solenoids and VCC operation. Improper switch operation will cause PCM code P091 to set.
LOCATION
The PRNDL switch is part of the transmission Neutral Safety-Back Up (NSBU) Switch, located on the top of the transaxle.
