P0249 Code - Turbocharger/Supercharger Wastegate Solenoid 'B' Circuit Low

What Does p0249 Mean?

The PCM has detected an abnormal reading in the turbocharger wastegate solenoid “B” circuit. Circuit B represents a particular wastegate solenoid (where multiple solenoids are used in sequence). There is no set rule for positioning of wastegate solenoids. Check manufacturer’s specifications for specific solenoid locations.

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What are the common causes of p0249 ?

• Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)
• Rough running engine due to misfiring plugs. Many engines have misfire codes to indicate the cylinder effected, such as P0307 for number 7.
• A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.

How do you troubleshoot p0249 ?

Fortunately, this is a fairly simple problem for an experienced mechanic to fix. They’ll do one of the following:

• Replace or repair any wires that are disconnected or damaged
• Address any problems with the connectors
• Inspect the turbocharger boost sensor for any problems that would cause an erroneous code
• Check to see if resistance and voltage values are consistent with what the manufacturer’s specifications are

Searches related to P0249 Code - Turbocharger/Supercharger Wastegate Solenoid 'B' Circuit Low

• p0248
• p0250