The control module detected that the Fuel pump control voltage stayed below the expected range. This is the manufacturer-specific definition used by Chrysler.
Possible causes
- Wiring
- fuel pump
- multifunction control module
- ECM
TuningBot DTC Database · v4.37.15
4 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.
The control module detected that the Fuel pump control voltage stayed below the expected range. This is the manufacturer-specific definition used by Chrysler.
The control module detected that the Fuel pump, circuit 2 voltage stayed below the expected range. This is the manufacturer-specific definition used by Dodge.
The control module detected a short circuit to ground in the Fuel pump control circuit 2 (PCM) circuit. This is the manufacturer-specific definition used by Jeep.
The control module detected improper operation of the Injector 2, cylinder 7 circuit. This is the manufacturer-specific definition used by Lexus.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (4 interpretations). The control module detected that the Fuel pump control voltage stayed below the expected range. This is the manufacturer-specific definition used by Chrysler.
P127C is a manufacturer-specific code. In this database it is documented for: Chrysler, Dodge, Jeep, Lexus. The same number can mean something different on other brands.
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.
Understand the system behind this code: Diagnostic Strategy and DTC Logic