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Home >> Jeep >> 2007 >> Wrangler Rubicon, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0203 To P0420 >> P0221-Throttle Position Sensor 2 Performance >> Possible Causes
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Possible Causes

Possible Causes 
EXCESSIVE RESISTANCE IN THE (K22) TP SIGNAL 1 CIRCUIT
EXCESSIVE RESISTANCE IN THE (K122) TP SIGNAL 2 CIRCUIT
EXCESSIVE RESISTANCE IN THE (F855) 5-VOLT SUPPLY CIRCUIT
EXCESSIVE RESISTANCE IN THE (K922) TP SENSOR GROUND CIRCUIT
(K22) TP SIGNAL 1 SIGNAL CIRCUIT SHORTED TO THE (K122) TP SIGNAL 2 CIRCUIT
THROTTLE POSITION SENSOR/THROTTLE BODY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.