FixVault
Home
›
Jeep
›
2021
›
Grand Cherokee Trackhawk
›
Repair and Diagnosis
›
Engine Performance
›
System
›
6.2L - DTCS C053D To P0141
›
DTC Troubleshooting
›
P0121-Throttle Position Sensor 1 Performance
›
When Monitored
When Monitored
This diagnostic runs continuously when the following conditions are met:
With the engine running.
P2135 DTC is active.