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TuningBot DTC Database · v4.37.15

P0129 Barometric Pressure Too Low

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P0129 means

P0129
Barometric Pressure Too Low Generic · engine Data confidence 90%

The control module detected that the Barometric Pressure value was below the expected limit.

Possible causes

  • Wiring
  • BARO sensor
  • mechanical fault

Related and nearby codes

How to read P0129

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

129

Specific fault index within the subsystem.

Frequently asked questions about P0129

What does P0129 mean?

Barometric Pressure Too Low. The control module detected that the Barometric Pressure value was below the expected limit.

Is P0129 generic or manufacturer-specific?

P0129 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0129 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

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