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Home >> Dodge and Ram >> 2009 >> Caliber R/T, EDG >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0111 To P0141 >> P0121-Throttle Position Sensor 1 Performance >> Possible Causes

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. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure