Fuel pump speed signal - incorrect
Chevrolet · fuel
Data confidence62%
The control module detected that the Fuel pump speed state or value did not match what was expected. This is the manufacturer-specific definition used by Chevrolet.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
29F
Specific fault index within the subsystem.
Frequently asked questions about P129F
What does P129F mean?
Fuel pump speed signal - incorrect. The control module detected that the Fuel pump speed state or value did not match what was expected. This is the manufacturer-specific definition used by Chevrolet.
Is P129F generic or manufacturer-specific?
P129F is a manufacturer-specific code. In this database it is documented for: Chevrolet. The same number can mean something different on other brands.
Can TuningBot remove P129F 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.