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P0919 is a diagnostic trouble code (DTC) for "Gearshift Position Control Error". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $70.00. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $30.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.
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.
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.
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.
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.
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.
Components relating to the gearshift system may be mistakenly replaced in the event of a faulty sensor reporting an illusory problem.
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.
If the sensors are misreading a problem, they should be repaired or replaced according to the specifics of the issue.
If there is nothing wrong with the sensors themselves, the components related to the gearshift mechanism should be verified, and any pieces that are damaged or unresponsive should be repaired or replaced.
Following a set of repairs, the vehicle should be turned on and tested to see if the trouble code recurs.
In the rare event that the PCM itself is faulty, it will need to be replaced. In this unlikely instance, the related control modules will require reprogramming as well.
The P0919 may come alongside other trouble codes relating to the PCM sensors and/or gearshift system.
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