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Home >> Jeep >> 2021 >> Cherokee Altitude, FWD >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P0198 To P0601 >> DTC Troubleshooting >> P0221-Throttle Position Sensor 2 Circuit Performance >> Possible Causes

Possible Causes

POSSIBLE CAUSES
HIGH RESISTANCE IN THE 5-VOLT SUPPLY CIRCUIT
HIGH RESISTANCE IN THE THROTTLE POSITION SENSOR SIGNAL 2 CIRCUIT
HIGH RESISTANCE IN THE THROTTLE POSITION SENSOR GROUND CIRCUIT
THROTTLE BODY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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