Position Switch During Cranking

DTC P0705
Position switch during cranking.

Possible causes by suggested order of priority:
^ Position switch monitoring (permanent) fault set.
^ Engine speed measurement fault set in ECM.
^ BCU receiving incorrect input from position switch.

Position Switch Monitoring (Permanent) Fault Set.
CHECK THE FOLLOWING:
^ Check if Position switch monitoring (permanent) fault flag is set. If set then diagnose the fault.
^ POSSIBLE FAULTS
^ Position switch monitoring (permanent) fault present.

Engine Speed Measurement Fault Set In ECM.
CHECK THE FOLLOWING:
^ Read ECM fault codes and check if any crankshaft sensor or engine speed measurement faults are set.
^ Any faults present should be rectified.
POSSIBLE FAULTS
^ Engine speed measurement fault set in ECM.

BCU Receiving Incorrect Input From Position Switch.
CHECK THE FOLLOWING:
^ If TestBook available, run diagnostics on BCM and check that the BCU is receiving the correct input from the position switch.
POSSIBLE FAULTS
^ BCM not receiving correct position switch signals.