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Home >> Jeep >> 2024 >> Gladiator Nighthawk, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 3.6L (GPEC 2A) - DTCS P080A To P086B >> DTC Troubleshooting- >> P0851-Park/Neutral Switch Input Circuit Low >> Possible Causes
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Possible Causes

Possible Causes
NEUTRAL POSITION SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
NEUTRAL POSITION SENSOR SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT
NEUTRAL POSITION SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .