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TuningBot DTC Database · v4.37.14

P00AF Turbocharger/Supercharger Boost Control "A" Module Performance

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

P · PowertrainEngineOBD2

What P00AF means

P00AF
Turbocharger/Supercharger Boost Control "A" Module Performance Generic · engine Data confidence 85%

The control module judged the Turbocharger/Supercharger Boost Control "A" Module behaviour implausible for the current operating conditions.

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

P00 range
P0000P0001P0002P0003P0004P0005P0006P0007P0008P0009P000AP000BP000CP000DP000EP000FP0010P0011

How to read P00AF

P

Powertrain: engine, transmission and driveline systems.

0

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

0AF

Specific fault index within the subsystem.

Frequently asked questions about P00AF

What does P00AF mean?

Turbocharger/Supercharger Boost Control "A" Module Performance. The control module judged the Turbocharger/Supercharger Boost Control "A" Module behaviour implausible for the current operating conditions.

Is P00AF generic or manufacturer-specific?

P00AF is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P00AF at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

Stage 1/2/3 TuningDPF RemovalEGR RemovalAdBlue / SCR RemovalDTC RemovalIMMO OFFSpeed Limiter (Vmax)

Understand the system behind this code: Diagnostic Strategy and DTC Logic

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