TuningBot DTC Database · v4.38.5
2 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.
FordThe control module detected that the Engine control module (ECM)/cylinder head temperature (CHT) signal stayed above the expected range. This is the manufacturer-specific definition used by Ford.
HondaThe control module determined that the Valve position control circuit - valve did not change state as commanded and appears stuck. This is the manufacturer-specific definition used by Honda.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (2 interpretations). The control module detected that the Engine control module (ECM)/cylinder head temperature (CHT) signal stayed above the expected range. This is the manufacturer-specific definition used by Ford.
P128A is a manufacturer-specific code. In this database it is documented for: Ford, Honda. 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
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