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TuningBot DTC Database · v4.37.15

P1252 BMW - Fuel tank leakage diagnostic module - pump current too high

Manufacturer-specific interpretation for BMW. All interpretations of P1252

P · PowertrainEngineOBD2

What P1252 means

P1252
Fuel tank leakage diagnostic module - pump current too high BMW · engine Data confidence 62%

The control module detected that the Fuel tank leakage diagnostic module - pump current value was above the expected limit. This is the manufacturer-specific definition used by BMW.

Possible causes

  • Wiring
  • fuel tank leakage diagnostic module

Related and nearby codes

How to read P1252

P

Powertrain: engine, transmission and driveline systems.

1

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

252

Specific fault index within the subsystem.

Frequently asked questions about P1252

What does P1252 mean?

Fuel tank leakage diagnostic module - pump current too high. The control module detected that the Fuel tank leakage diagnostic module - pump current value was above the expected limit. This is the manufacturer-specific definition used by BMW.

Is P1252 generic or manufacturer-specific?

P1252 is a manufacturer-specific code. In this database it is documented for: BMW. The same number can mean something different on other brands.

Can TuningBot remove P1252 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 BMW engines See the results →

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