OBD-II Generic Error Code P0245: How to Fix It

Medium 1-2 hours Medium Severity Verified June 2026
Error Code
P0245
Brand
OBD-II Generic
Product Type
automotive
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
1-2 hours
Error code P0245 indicates a low voltage signal from the turbocharger waste gate solenoid 'A'. This means the engine control module (ECM) has detected an electrical fault in the solenoid circuit, which can cause reduced boost pressure and poor engine performance. Common causes include a faulty solenoid, damaged wiring, or a blown fuse.
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Tools You'll Need

How to Fix Error Code P0245

  1. Check the Waste Gate Solenoid Fuse

    Disconnect the battery before working with electrical components.
  2. Inspect Wiring and Connector

  3. Test the Waste Gate Solenoid

    Ensure the ignition is off and keys are removed.
  4. Check Solenoid Supply Voltage

    Be careful not to short the probes.
  5. Verify Ground Circuit

  6. Replace Waste Gate Solenoid

    Use a floor jack and jack stands if you need to access the solenoid from underneath the vehicle.

Parts You May Need

Turbo Waste Gate Solenoid
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Fuse (if blown)
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Turbo Waste Gate Solenoid
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Fuse (if blown)
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Turbo Waste Gate Solenoid
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Fuse (if blown)
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Turbo Waste Gate Solenoid
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Fuse (if blown)
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When to Call a Professional

If you're not comfortable working with electrical systems, or if you've replaced the solenoid and the code returns, have a professional mechanic diagnose the ECM or deeper wiring issues.

Frequently Asked Questions

Can I drive with error code P0245?
You can drive short distances, but reduced power and fuel economy may occur. It's best to diagnose and fix the issue promptly to avoid further damage.
What causes P0245 code?
Common causes include a faulty waste gate solenoid, damaged wiring or connectors, blown fuse, or ECM issues.
How much does it cost to fix P0245?
DIY cost is $20-$80 for a solenoid. A mechanic may charge $150-$300 for diagnosis and replacement.
Will clearing the code fix P0245?
Clearing the code will turn off the check engine light, but the underlying issue remains. The code will return until the problem is repaired.
What is the waste gate solenoid?
It's an electronic valve that controls boost pressure by regulating vacuum to the waste gate actuator. It helps the turbocharger maintain proper pressure.