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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

P · PowertrainFuelOBD2

What P1238 means

P1238
Fuel Pump Driver Module Disabled or Off Line Mazda · fuel Data confidence 62%

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.

Related and nearby codes

How to read P1238

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

238

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

ECU tuningStage 1 dyno results for Mazda engines See the results →

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