FixVault
Home
›
Jeep
›
2021
›
Cherokee Altitude, FWD
›
Repair and Diagnosis
›
Engine Performance
›
System
›
2.4L - DTCS P1048 To P1D73
›
DTC Troubleshooting
›
P1609-Internal Control Module Engine Oil Temperature Performance
›
Set Condition
Set Condition
When secondary software determines that the Engine Oil Temperature is implausible for a period of time.