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P0919 OBD-II Trouble Code: Gearshift Position Control Error

Check Engine Light

P0919 code definition

A P0919 trouble code indicates that the vehicle's Powertrain Control Module (PCM) has detected a discrepancy between the desired gearshift position and its reported position.

What the P0919 code means

The gearshift is the input that allows the user to control the vehicle's engine output. In the case of a P0919 code, a PCM sensor has detected a malfunction in the gearshift's ability to successfully manipulate the shift position.

What causes the P0919 code?

Faulty components within the gearbox, and corroded, broken, disconnected or damaged wiring are the two most likely causes behind a P0919 trouble code. With regards to faulty components, a misreading sensor can account for a P0919. This is especially likely if the practical code symptoms are mild or non-existent. In rarer cases, the PCM itself may be at fault. However, due to the costliness of replacing a PCM, it should only be considered once all other possible causes have been exhausted.

What are the symptoms of the P0919 code?

Although the gravity of the error may differ from case to case, it's not uncommon for a P0919 gearshift error to result in the vehicle's inability to shift gears. This will make the vehicle impossible to operate.

How does a mechanic diagnose the P0919 code?

The P0919 code may be first identified by reading up the code via an OBD-II code reader. From there, the sensors that first registered the fault should be verified as functional. If the sensors themselves are working, thoroughly inspect components relating to the gearshift mechanism. All transmission-related wiring and circuitry should be looked over as well for signs of corrosion, damage or disconnection.

Common mistakes when diagnosing the P0919 code

Components relating to the gearshift system may be mistakenly replaced in the event of a faulty sensor reporting an illusory problem.

How serious is the P0919 code?

Because the P0919 reports an outright error in the vehicle's ability to properly control shift position, it should be considered a very serious issue. In some cases, the P0919 may render the vehicle inoperable.

What repairs can fix the P0919 code?

Additional comments for consideration regarding the P0919 code

The P0919 may come alongside other trouble codes relating to the PCM sensors and/or gearshift system.

Need help with a P0919 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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