What Are Some Bad Shift Interlock Solenoid Symptoms?

Is your vehicle not shifting out of park gear when the battery is not dead? This can be a symptom of bad shift interlock solenoid symptoms. For a lot of people, this could be a new term that they have just heard. But in reality the shift, interlock solenoid is an important part of your safety mechanism, keeping the driver from shifting out of park when the brake pedal is not pressed down. That makes sense, as knocking the shifter out of park without holding the brake could result in serious injuries and accidents.

Bad shift interlock solenoid may be a serious threat to your vehicle and must be treated to save any danger coming through. Read this article and understand all the bad shift interlock solenoid symptoms and what you can do to treat that.

What Is Interlock Solenoid?

An interlock solenoid is a new addition to a manual transmission system that constantly changes and evolves with time. This was added to your manual transmission system thinking of it as a safeguard against inadvertently putting the car in gear. Truly, it’s fair a switch that keeps the transmission in stop in case you don’t have your foot on the brake pedal. That creates sense, as thumping the shifter out of stop without holding the brake might result in genuine wounds and mishaps. Solenoids are cylindrical coils of metal wire that carry electric currents. The shift interlock solenoid ensures you can’t shift from Park to Drive without first applying the brake. The solenoid inside the interlock system is what allows you to move the shifter.

The shift interlock solenoid is utilized every single time you put the car in neutral. Once you move the shifter from a drive or switch to park, the interlock locks inYou have got to put your foot on the brake to move out of stop once more. That puts a part of wear and tear on the switch (it’s both mechanical and electrical, so there’s unquestionably the potential for disappointment). Whereas the interlock ought to final for the life of your vehicle, that’s not continuously the case.

Drivers who regularly move from stop and back will discover that they have less life from the interlock than those who do for the most part longer drives with lesser shifts into and out of park.

What Are Some Bad Interlock Solenoid Symptoms?

Two possible symptoms can show your interlock solenoid system has been damaged. Let’s read and understand those symptoms:

1. The Vehicle Will Not Shift Out Of Park

If the move interlock solenoid has gone awful, the vehicle will not move out of parkindeed together with your foot on the brake pedal. This is often an enormous issue since you’ll not be able to drive your vehicle anyplaceIf this happens, most vehicles have a shifter dischargeIf the shifter discharge button is discouraged and the shifter can be moved, the shifter interlock solenoid is most likely the cause. If this happens, contact a proficient technician to have your move interlock solenoid supplanted. 

This can be summarized as:

  • It takes you a lot of tries to get your shifter out of the neutral.
  • You have to manually override the interlock using the interlock switch with the car’s ignition key
  • Your Car won’t shift out of park which definitely indicates a failed solenoid or a failed brake light switch.

2. Battery Of Your Vehicle Is Dead

In case your vehicle isn’t moving out of park, another reason it may not be working is the battery is dead. This is often a straightforward thing you’ll be able to check before calling any automobile expert. If your car will not begin at all, no lights come on, and none of the electrical parts in your vehicle are working, chances are it’s a dead battery issue and not the move interlock solenoid. Usually vital to note since it can spare you a parcel of time and bother. All you’ve got to do is hop your battery, which a workman can assist you with. In case the vehicle does not move from stop to drive after the battery has been bouncedat that point, it is time to see at the move interlock solenoid.

What You Can Do To Treat This Situation?

If the shift is just stuck in park then you can follow these steps listed below:

    1. The first thing to do is set up the emergency brake.
    2. Insert key into the ignition and turn the ignition switch to the “ON” or “RUN” position.  It is not necessary to start the engine.
    3. Locate the shift lock override slot located on the shifter console near the shifter lever.  Normally, the slot is plugged with a small plastic cap.  Remove the cap.
    4. Insert a small screwdriver, nail file, key, or similarly shaped object into the override slot, push down and hold.
    5. While continuing to hold down the shift override mechanism, depress the brake pedal.
    6. Now, grasp the shifter, push in the release button located on the shifter as you normally do and then move the shifter to the desired gear.  If you’ve completed these steps with the engine off, move the shifter to the Neutral position to start the engine.
Bottom view of the bottom of the car with the transmission pan removed and a view of the solenoids lubricated with oil during repair and maintenance in the workshop for vehicles.

The shift interlock solenoid is an important safety feature on your vehicle. It keeps you from shifting out of park unless the vehicle is in the on position and the brake pedal is depressed. If the vehicle will not shift out of park, chances are the shift interlock solenoid has gone bad. Asking an automobile expert for help looks like the best option in this case. You can call a mechanic or take your car to a garage and ask them to repair the vehicle for you.

Average Cost Of Repairing A Bad Shift Interlock Solenoid

 Since the interlock solenoid comes for just $2.42 but the labor cost might astonish you $127.98. An estimated bad shift interlock solenoid repairing or replacing may cost you about $130 more or less. So the whole cost is labor cost only. But it is not possible to replace it yourself you have to dwell on an expert for this and this is the charge of their expertise.


Now you know what are some bad interlock solenoid symptoms. And what you would do in such a situation. If you have any further doubts about this topic comment down the doubts below we will be more than happy to answer your queries.


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