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TuningBot DTC Database · v4.37.15

P2B80 Turbocharger/Supercharger Boost Control Module B Calibration Not Learned/Programmed

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

P · PowertrainEngineOBD2

What P2B80 means

P2B80
Turbocharger/Supercharger Boost Control Module B Calibration Not Learned/Programmed Generic · engine Data confidence 65%

The control module reports that a required adaptation or reference value for the Turbocharger/Supercharger Boost Control Module B Calibration has not been learned.

Symptoms

  • Possible reduced power or limp mode
  • MIL illuminated
  • Possible abnormal turbocharger noise

Possible causes

  • Turbocharger actuator or position sensor fault
  • Sticking variable geometry mechanism
  • Charge-air or vacuum leak
  • Wiring or connector fault

Recommended checks

  • Compare specified vs actual boost with live data
  • Check actuator movement over the full range
  • Check hoses and vacuum lines
  • Inspect wiring and connectors

Related and nearby codes

How to read P2B80

P

Powertrain: engine, transmission and driveline systems.

2

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

B80

Specific fault index within the subsystem.

Frequently asked questions about P2B80

What does P2B80 mean?

Turbocharger/Supercharger Boost Control Module B Calibration Not Learned/Programmed. The control module reports that a required adaptation or reference value for the Turbocharger/Supercharger Boost Control Module B Calibration has not been learned.

Is P2B80 generic or manufacturer-specific?

P2B80 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2B80 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 tuningDyno-tested results by model and engine See the results →

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