DTC P1709: Park/Neutral Position (PNP) Switch Out Of Self-Test Range

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2010 Mercury Mountaineer, 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, and 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

DTC P1709: PARK/NEUTRAL POSITION (PNP) SWITCH OUT OF SELF-TEST RANGE

Description:	This DTC indicates that the voltage is high when it should be low. Refer to the appropriate AUTOMATIC TRANSMISSION/TRANSAXLE article .
Possible Causes:	Damaged PNP or clutch pedal position (CPP) switch PNP/CPP circuit short to voltage PNP/CPP circuit open in the SIGRTN
Diagnostic Aids:	When activating either the PNP or CPP switch, the voltage should cycle from 5 volts to low.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	Refer to the Description, Possible Causes and Diagnostic Aids for the appropriate DTC.