Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1198 BMW - Mass air flow (MAF)/vane air flow (VAF) - flow too high

Manufacturer-specific interpretation for BMW. All interpretations of P1198

P · PowertrainEngineOBD2

What P1198 means

P1198
Mass air flow (MAF)/vane air flow (VAF) - flow too high BMW · engine Data confidence 62%

The control module detected that the Mass air flow (MAF)/vane air flow (VAF) - flow value was above the expected limit. This is the manufacturer-specific definition used by BMW.

Possible causes

  • Wiring
  • MAF/VAF sensor
  • vacuum leaks

Related and nearby codes

How to read P1198

P

Powertrain: engine, transmission and driveline systems.

1

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

198

Specific fault index within the subsystem.

Frequently asked questions about P1198

What does P1198 mean?

Mass air flow (MAF)/vane air flow (VAF) - flow too high. The control module detected that the Mass air flow (MAF)/vane air flow (VAF) - flow value was above the expected limit. This is the manufacturer-specific definition used by BMW.

Is P1198 generic or manufacturer-specific?

P1198 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 P1198 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 →

← Search the full DTC database