Fault codes › P0048

P0048

Turbocharger/Supercharger Boost Control A Circuit High

Generic code Injector Circuit High severity Hard repair
Free on OBD DashX

Want real-world data on P0048?

See which problems come with P0048, how often it shows up in other vehicles, and how to fix it — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
See P0048 on OBD DashX No sign-up needed · available in 10 languages

iWhat P0048 means

  • The fault code P0048 indicates that there is a high circuit signal detected for the turbocharger boost control solenoid. This may cause the engine to overboost, which can lead to engine damage or failure.

!Possible symptoms

  • Illuminated check engine light
  • Rough idle or stalling
  • Engine overboost
  • Loss of power or acceleration

?Possible causes

  • Faulty turbocharger boost control solenoid
  • Shorted or open circuit in the solenoid wiring
  • Loose or corroded electrical connections
  • Failed powertrain control module (PCM)

Related parts

  • Turbocharger/Supercharger: Turbocharger compresses in more air into the engine, hence producing more power output. Problem leads to power loss

Possible solutions

  • Replace the turbocharger boost control solenoid
  • Check and repair any damaged wiring or connections
  • Tighten or clean any loose or corroded electrical connections
  • Replace the powertrain control module (PCM) if necessary
Free on OBD DashX

P0048 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

Open P0048 No sign-up needed · available in 10 languages

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.