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P0219 OBD-II Trouble Code: Engine Overspeed Condition

Check Engine Light

P0219 trouble code definition

Engine overspeed condition

What the P0219 code means

The P0219 code means that the revolutions per minute of the engine’s crankshaft measured by the tachometer has exceeded a predetermined limit set by the vehicle’s manufacturer.

Most vehicles that have a tachometer will have a red line mark towards the top of the gauge to indicate that the engine speed has become excessive. When the needle on the tachometer enters the red zone is when the P0219 code may be set in the vehicle’s powertrain control module.

What are the causes of the P0219 code?

  • Causes of the P0219 code may include a faulty engine speed sensor or a faulty powertrain control module.

  • The most common cause of this code is actually due to young drivers who want to drive fast and push their vehicle to its limits.

  • This code can also be caused by an inexperienced driver driving a vehicle with a manual transmission. On a vehicle with a manual transmission, the revolutions per minute of the crankshaft will continue to rise while the accelerator is being depressed until the driver shifts to the next gear.

What are the symptoms of the P0219 code?

  • This code usually has no symptoms associated with it.

  • It may be possible to hook up an OBD-II scanner and simply erase this code to turn off the Check Engine Light. This code is essentially just a warning to the driver that the engine can not safely operate at those speeds.

How does a mechanic diagnose the P0219 code?

If the P0219 code has been set due to an actual fault as opposed to the engine speed actually being exceeded, a mechanic may diagnose the issue by inspecting the engine speed sensor for damaged wiring and proper functionality.

If the engine speed sensor is operational, the mechanic would then use a high tech scan tool to monitor the powertrain control module for faults to determine if it is causing this issue.

Most of the time this code requires no diagnosis as it is simply a warning to the driver that engine damage may occur if the engine has an over speed condition too many times.

Common mistakes when diagnosing the P0219 code

A common mistake that could be made when diagnosing the P0219 code may be replacing the engine speed sensor or the powertrain control module when no parts are actually needed to be replaced.

The first thing that should be done if a P0219 code exists is to use an OBD2 scanner to erase the code and road test the vehicle. If the code does not return after about twenty miles, the code was likely set due to the driver operating the vehicle outside of the acceptable range of performance it was intended to be operated at.

How serious is the P0219 code?

The P0219 code is not too serious as long as the driver does not allow this code to be set multiple times.

The tachometer is set in the vehicle’s instrument cluster to keep the driver aware of the engine’s speed. As long as the needle on the tachometer does not go into the red zone, this code should not appear.

What repairs can fix the P0219 code?

  • Simply erasing the code
  • Replacing the engine speed sensor
  • Replacing the powertrain control module.

Additional comments regarding the P0219 code

In order to prevent a P0219 code from being stored in your vehicle’s powertrain control module, keep an eye on the tachometer and make sure that the needle stays out of the red zone.

It is also important to keep in mind that the lower the needle stays on the tachometer the better gas mileage the vehicle is getting. It is best to shift at lower revolutions per minute to increase fuel economy and keep the engine in good condition.

Need help with a P0219 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
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