P0049

2017-10-10

Description:

  • The fault code P0049 indicates that there is an issue with the turbocharger or supercharger turbine overspeed. The engine control module detects an excessive RPM speed in the turbocharger or supercharger turbine.

Possible Symptoms:

  • Illuminated check engine light

  • Decreased engine power or acceleration

  • Engine surging or hesitation

  • Engine knocking noise

  • Smoke from the exhaust system

  • Reduced fuel efficiency

Possible Causes:

  • Malfunctioning turbocharger or supercharger

  • Faulty wastegate

  • Clogged air filter

  • Restricted exhaust system

  • Damaged or corroded wiring

  • Failed engine control module (ECM)

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 malfunctioning turbocharger or supercharger

  • Check and repair any damaged or corroded wiring

  • Replace the wastegate if necessary

  • Replace the clogged air filter

  • Repair or replace the restricted exhaust system

  • Replace the engine control module (ECM) if necessary

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