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P0249PowertrainGeneric SAE code

Turbocharger Wastegate Solenoid B Low

P0249 is an OBD-II trouble code that indicates turbocharger wastegate solenoid b low. This page explains what the code means, what issues may trigger it, common symptoms and where to look next.

P0249 code meaning is one of the most common OBD-II searches when a warning light appears on the dashboard.

Drivers searching for P0249 usually want to know what the code means, whether the car is safe to drive and what part may need testing first.

Likely causes

  • Wiring or connector issue
  • Component failure in the affected system
  • Intermittent signal or control fault

Symptoms

  • Check engine light illuminated

Severity

Medium

Can you keep driving?

Whether you can keep driving depends on how the vehicle is behaving. If there is rough running, loss of power, overheating or stalling, diagnose it as soon as possible.

Common fix areas

  • Scan all fault codes and freeze-frame data
  • Inspect wiring, connectors and grounds
  • Confirm repair with a retest after clearing codes

Manufacturer notes

Generic OBD-II: This code usually has a common meaning across many supported vehicles.
Vehicle-specific diagnosis: The actual cause, symptoms and repair path can still vary by make, model and engine.

FAQs

What does P0249 mean?

P0249 means turbocharger wastegate solenoid b low.

What can cause P0249?

Common causes include component failure, wiring faults, incorrect sensor readings, leaks, pressure issues or related upstream faults in the same system.

Can I keep driving with P0249?

That depends on how the car is behaving. If there is rough running, overheating, loss of power or stalling, it should be diagnosed quickly.

Does P0249 always mean I need a new part?

No. A fault code points you to a system or condition, but proper diagnosis is still needed before replacing parts.