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TuningBot DTC Database · v4.37.15

P0048 Turbo/Super Charger Boost Control Solenoid Circuit High

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

P · PowertrainEngineOBD2

What P0048 means

P0048
Turbo/Super Charger Boost Control Solenoid Circuit High Generic · engine Data confidence 90%

The control module detected that the signal in the Turbo/Super Charger Boost Control Solenoid circuit stayed above the expected operating range.

Symptoms

  • Possible reduced power or limp mode
  • MIL illuminated

Possible causes

  • Wiring short to positive
  • boost control solenoid

Recommended checks

  • Compare specified vs actual boost pressure with live data
  • Check charge-air hoses and intercooler connections for leaks
  • Check boost control solenoid operation
  • Check variable geometry / wastegate movement
  • Inspect wiring and connectors

Related and nearby codes

How to read P0048

P

Powertrain: engine, transmission and driveline systems.

0

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

048

Specific fault index within the subsystem.

Frequently asked questions about P0048

What does P0048 mean?

Turbo/Super Charger Boost Control Solenoid Circuit High. The control module detected that the signal in the Turbo/Super Charger Boost Control Solenoid circuit stayed above the expected operating range.

Is P0048 generic or manufacturer-specific?

P0048 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0048 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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