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Home >> Jeep >> 2021 >> Gladiator Mojave, Part Time T/Case Control, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 3.6L (GPEC 2A) - DTCS P06DD To P1054 >> 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  .