Turbo/Supercharger Turbine Overspeed
2017-2017 Acura TLX 2.4L I4
The 2017 Acura TLX is equipped with a 2.4L inline-4 engine. Below you'll find detailed p0049 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The PCM detected the turbocharger turbine is spinning faster than the maximum allowed speed.
Symptoms
- Check Engine Light
- Whining noise from turbo
- Excessive boost
- Possible engine damage
Common Causes
- Wastegate stuck closed
- Boost control solenoid failure
- Overboosting condition
- Exhaust restriction
Diagnostic Steps
- Check wastegate operation
- Test boost control solenoid
- Monitor boost pressure
- Inspect turbo for damage
Repair Notes
Immediately address to prevent engine damage. Repair wastegate or boost control system.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
P0049 on Other Vehicles
Common Questions
What does code P0049 mean on a 2017-2017 Acura TLX?
P0049 stands for "Turbo/Supercharger Turbine Overspeed". The PCM detected the turbocharger turbine is spinning faster than the maximum allowed speed.
What are the symptoms of P0049 on a Acura TLX?
Common symptoms of P0049 include: Check Engine Light, Whining noise from turbo, Excessive boost, Possible engine damage.
What causes P0049 on a 2017-2017 Acura TLX?
Common causes of P0049 include: Wastegate stuck closed, Boost control solenoid failure, Overboosting condition, Exhaust restriction.
Last updated: March 2026