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Home >> Jeep >> 2021 >> Cherokee High Altitude, Automatic T/Case Control >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (3.2L - DTCS P0073 To P0298) >> DTC Troubleshooting >> P0121-Throttle Position Sensor 1 Performance >> Possible Causes

Possible Causes

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Possible Causes
TPS 1 SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
THROTTLE BODY ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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