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TuningBot DTC Database · v4.37.15

P120C Mass air flow (MAF) sensor - implausible signal

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:Volvo

Volvo

1 interpretation
P120C
Mass air flow (MAF) sensor - implausible signal Volvo · engine Data confidence 62%

The control module judged the Mass air flow (MAF) signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Wiring
  • poor connection
  • MAP sensor
  • BARO sensor
  • ECM

Related and nearby codes

How to read P120C

P

Powertrain: engine, transmission and driveline systems.

1

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

20C

Specific fault index within the subsystem.

Frequently asked questions about P120C

What does P120C mean?

Mass air flow (MAF) sensor - implausible signal. The control module judged the Mass air flow (MAF) signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Volvo.

Is P120C generic or manufacturer-specific?

P120C is a manufacturer-specific code. In this database it is documented for: Volvo. The same number can mean something different on other brands.

Can TuningBot remove P120C 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 Volvo engines See the results →

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