FixVault
Home
›
Dodge and Ram
›
2015
›
ProMaster City Base
›
Repair and Diagnosis
›
Engine Performance
›
System
›
2.4L - DTCS P0016 To P0501
›
DTC Troubleshooting
›
P0121-Throttle Position Sensor 1 Performance
›
Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the sensor input voltage does not fall within a valid range based on engine speed and load.