The control module detected that the Engine Oil Temperature value was below the expected limit. This is the manufacturer-specific definition used by Jeep.
TuningBot DTC Database · v4.37.15
P1239 Jeep - Engine Oil Temperature Too Low
Manufacturer-specific interpretation for Jeep. All interpretations of P1239
What P1239 means
Related and nearby codes
How to read P1239
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1239
What does P1239 mean?
Engine Oil Temperature Too Low. The control module detected that the Engine Oil Temperature value was below the expected limit. This is the manufacturer-specific definition used by Jeep.
Is P1239 generic or manufacturer-specific?
P1239 is a manufacturer-specific code. In this database it is documented for: Jeep. The same number can mean something different on other brands.
Can TuningBot remove P1239 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
