The control module detected a fault associated with the Fuel Pump Driver Module Disabled or Off Line circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mazda.
TuningBot DTC Database · v4.37.15
P1238 Mazda - Fuel Pump Driver Module Disabled or Off Line
Manufacturer-specific interpretation for Mazda. All interpretations of P1238
What P1238 means
Related and nearby codes
How to read P1238
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 P1238
What does P1238 mean?
Fuel Pump Driver Module Disabled or Off Line. The control module detected a fault associated with the Fuel Pump Driver Module Disabled or Off Line circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mazda.
Is P1238 generic or manufacturer-specific?
P1238 is a manufacturer-specific code. In this database it is documented for: Mazda. The same number can mean something different on other brands.
Can TuningBot remove P1238 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
