LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2007 >> Compass Limited, AWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0032 To P0135 >> P0121-Throttle Position Sensor 1 Performance >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

Possible Causes 
INTERMITTENT DTC
(F855) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K22) TP SIGNAL 1 CIRCUIT SHORTED TO VOLTAGE
(F855) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(K22) TP SIGNAL 1 CIRCUIT SHORTED TO GROUND
(F855) 5 VOLT SUPPLY CIRCUIT SHORTED TO THE (K22) TP SIGNAL 1 CIRCUIT
(F855) 5 VOLT SUPPLY CIRCUIT SHORTED TO THE (K922) TP SENSOR GROUND CIRCUIT
(K22) TP SIGNAL 1 CIRCUIT SHORTED TO THE (K922) TP SENSOR GROUND CIRCUIT
(F855) 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE
(K22) TP SIGNAL 1 CIRCUIT OPEN OR HIGH RESISTANCE
(K922) TP SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
THROTTLE BODY
POWERTRAIN CONTROL MODULE (PCM)

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