No Temp Rise Seen From Fuel Heaters
Jeep · engine
Data confidence62%
The control module detected a fault associated with the No Temp Rise Seen From Fuel Heaters circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jeep.
Recommended checks
Perform a full module scan
Review freeze-frame and occurrence data
Confirm the exact vehicle, ECU and software context
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
291
Specific fault index within the subsystem.
Frequently asked questions about P1291
What does P1291 mean?
No Temp Rise Seen From Fuel Heaters. The control module detected a fault associated with the No Temp Rise Seen From Fuel Heaters circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jeep.
Is P1291 generic or manufacturer-specific?
P1291 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 P1291 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.
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