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Home >> Jeep >> 2015 >> Cherokee Limited, 3.2L Eng VIN S, AWD, Automatic T/Case Control >> Repair and Diagnosis >> Engine Performance >> System >> 3.2L - DTCS B104D To P0141 >> DTC Troubleshooting >> P0121-Throttle Position Sensor 1 Performance >> Possible Causes

Possible Causes

Possible Causes
HIGH RESISTANCE IN THE TPS 1 SIGNAL CIRCUIT
HIGH RESISTANCE IN THE 5-VOLT SUPPLY CIRCUIT
HIGH RESISTANCE IN THE TPS RETURN 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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