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Transmission Control System

P1780 - Park/Neutral Position Switch Malfunction

CIRCUIT DESCRIPTION

DTC Detection Condition:




The park/neutral position switch detects the shift lever position and sends signals to the ECM.
The ECM receives signals (PNP SW, REVERSE, DRIVE, 2ND and LOW) from the park/neutral position switch.


Wiring Diagram:




Wiring Diagram:






Step 1 - 2:




Step 3:




INSPECTION PROCEDURE