Hours: 07–23 daily
EN
Tune your file

TuningBot DTC Database · v4.37.14

P012D Turbocharger/Supercharger Inlet Pressure Sensor Circuit High

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

P · PowertrainEngineOBD2

What P012D means

P012D
Turbocharger/Supercharger Inlet Pressure Sensor Circuit High Generic · engine Data confidence 85%

The control module detected that the signal in the Turbocharger/Supercharger Inlet Pressure circuit stayed above the expected operating range.

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

P01 range
P0100P0101P0102P0103P0104P0105P0106P0107P0108P0109P010AP010BP010CP010DP010EP010FP0110P0111

How to read P012D

P

Powertrain: engine, transmission and driveline systems.

0

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

12D

Specific fault index within the subsystem.

Frequently asked questions about P012D

What does P012D mean?

Turbocharger/Supercharger Inlet Pressure Sensor Circuit High. The control module detected that the signal in the Turbocharger/Supercharger Inlet Pressure circuit stayed above the expected operating range.

Is P012D generic or manufacturer-specific?

P012D is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P012D 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

ECU tuningDyno-tested results by model and engine See the results →

← Search the full DTC database