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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 105 (2.4L - DTCS B104D To P0335) >> DTC Troubleshooting >> P0221-Throttle Position Sensor 2 Circuit Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
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  .