FixVault
Home
›
Jeep
›
2021
›
Cherokee High Altitude, Automatic T/Case Control
›
Repair and Diagnosis
›
Engine Performance
›
System
›
2.0L - DTCS P0088 To P0223
›
DTC Troubleshooting
›
P0123-Throttle Position Sensor 1 Circuit High
›
Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the Throttle Body Sensor (TPS) 1 signal voltage is above 4.8 volts for 0.07 seconds.