How do I reset anti theft system Chevy Silverado?

Have a 2015 Chevy2500 duramax Noticed this morning not charging so Ipur 2 new batteries in it and know it won’t start In a chevy silverado, you will try to reset the anti-theft system by turning the key on until the yellow lock goes out on the instrument panel for about 10 minutes.

How do you shut off the anti-theft device in your car?

Step 1: Insert your key in the lock on the door. Use the driver’s side door and the physical key even if your vehicle is equipped with a keyless entry system. Step 2: Turn the key. Turn the key to unlock your car door, but don’t release it. Hold the key in this position for 20 to 30 seconds.

Why does my car anti theft system not work?

Your anti-theft system (pass-lock) may have a fault or it may be the key itself. The keys have a chip embedded in them. When inserted into the ignition, the alarm system looks for codes from the key. Try another key if you have one.

What to do if your anti theft system is locked up?

If the anti-theft system has locked up your engine, you won’t be able to start it. You’ll have to disable it with these steps. Step 1: Check for the anti-theft light. It’s located on your dash and will have a blue or red light. Step 2: Turn the ignition to the “on” position.

Is there a way to reset a GM theft deterrent?

The other option is to unlock the doors with the GM key, and turn the car ignition on. These are the only two options for manually deactivating the alarm, and trying to unlock the doors in any other way will not work. Exit the car and leave the door open. Press the lock switch from inside the car to lock the doors.

Check the key. The key itself could be the culprit for the anti theft system car wont start. The keys have a built-in chip that sends a code to the alarm system when you insert it into the ignition. That chip won’t work in case of a broken or damaged key.

Do you have to reset your theft deterrent system?

This system does not need to be reset if the PCM is replaced. This system also uses a Theft Deterrent Module (TDM). If the resistance value matches what’s programmed into the TDS, the TDS sends a signal to the PCM that it’s a valid key and the user can then start the car. Lost or broken keys must be replaced with a key of the same resistive value.

How can I Reset my GM theft deterrent alarm?

If anything else is open, the alarm will not be reset. Close the door and wait for the security light to stop flashing from inside the car. Another option is to close the doors first, and then press the “Lock” button on the keyless remote. This will also pre-arm the theft-deterrent alarm system.

How does a theft deterrent work on a car?

Current automobiles use a theft-deterrent alarm system to prevent break-ins. The horn will sound while the headlights flash on and off. This will continue for several minutes unless you deactivate the alarm.

How to reset the anti theft system on a Chevy Silverado?

How Do I Reset Anti-Theft System: Chevy Silverado? 1 Insert ignition key. 2 Turn it to the on position. 3 Attempt to start the engine. 4 Leave the key in that position until the security light stops flashing. 5 Once the light goes off, switch the ignition key to off. 6 Wait about five seconds. 7 Try to start the engine again.

What do I need to replace my theft deterrent key?

Lost or broken keys must be replaced with a key of the same resistive value. Get a key made at the dealer or a qualified locksmith. This system does not need to be reset if the PCM is replaced. This system also uses a Theft Deterrent Module (TDM).

How to reset theft deterrent system in a Chevy Equinox?

Attempt to start the engine, then release the key to ON. The vehicle will not start. Observe the SECURITY telltale. After approximately 10 minutes, the telltale will turn OFF. Turn OFF the ignition, and wait 5 seconds. Repeat steps 1-4 two more times for a total of 3 cycles/30 minutes.

Why does my Chevy Silverado 1500 lock off?

If your battery is bad or all the doors to your Chevrolet Silverado are not properly closed, the anti-theft lock in your 1500 could be set off.

What should I do if my Chevy Silverado battery is not working?

Your first course of action should be to wait 15 minutes, and then start your ignition using your spare key. If this does not resolve the problem, continue reading. Pop the hood of your truck to remove the battery. This should be as simple as removing the cables from your battery terminals and freeing the battery with your hands.

Where are the trouble codes on a Chevy Silverado?

Using an on-board diagnostics tool, read the trouble codes stored in your vehicle. Connect your diagnostics tool to your vehicle’s diagnostics plug, which is located on the driver’s side (underneath the steering wheel). Read the codes.

How to disarm an anti theft lock on a Chevy Silverado?

Chevrolet Silverado: How to Disarm Anti-Theft Lock. 1 Step 1 – Unplug the battery. Pop the hood of your truck to remove the battery. This should be as simple as removing the cables from your battery 2 Step 2 – Lock all doors. 3 Step 3 – Check for trouble codes. 4 Step 4 – Visit your local dealer.

If your battery is bad or all the doors to your Chevrolet Silverado are not properly closed, the anti-theft lock in your 1500 could be set off.

When does the anti theft system car wont start?

If the engine does not respond or dies immediately after cranking up, leave the key in that position for 10 minutes. When the security light goes off, turn the ignition off, wait 20 seconds, and then start the engine. These are the most popular ways to solve the problem of anti theft system car wont start.

When does anti theft system lock the steering wheel?

Sometimes, the anti-theft system locks the steering wheel and does not let the key turn inside the slot. This annoying problem is mostly exclusive to Hondas. It mainly happens when you move the steering wheel after turning off the car. It locks the wheel in that position and does not let you move it next time you try to switch on the car.

How does the anti theft system protect your car?

The anti-theft system is designed to protect your car from theft and vandalism. Its mechanism involves an electrical circuit that disconnects in the event of a suspicious activity.

Is there a way to turn off the anti-theft system?

This will throw a major problem at you if you can’t get it to shut off. Luckily, there are a few ways you can generally get it to turn off if it is a false alarm. The first way and most common way to get the anti-theft system to turn off is by using your key fob.

What to do if anti theft light goes off?

Once ten minutes has passed come back and check the anti-theft light. If it has gone off, then turn the key back to the off position and remove the key. Wait for a couple of minutes to make sure that the system reset is finished. Then put the key back in and try to start the car.

How to solve the anti theft system car wont start?

It is another way to solve the problem of anti theft system car wont start. Disconnect the positive terminal of the battery for a minute or two. Reconnect it and make sure that both the anode and cathode terminals are tightly attached. It will reset the computer system and your car is likely to kick off.

When to turn off the anti theft system?

When you are inside the car. Apply this trick when you have access to the car’s interior and the ‘Theft System’ light on the dashboard is ON. Insert the key in the ignition slot and turn it to the right only slightly. Keep it in that position for 10 minutes or a little more. It is likely to turn off the light and start the car.

What should I do if I have a problem with my anti theft system?

If you’re having a problem with the anti-theft system, the engine won’t start, and the security light will start flashing. Leave the key in that position until the security light stops flashing. This should take about ten minutes. Once the light goes off, switch the ignition key to off.

How to reset PassLock reset system on Chevy?

1. Turn the key to ON and attempt to start the engine and release the key to the ON position. 2. The SECURITY light will illuminate. Wait 10 minutes until it turns off. 3. Turn the key to OFF for 10 seconds. 4. Turn the key to ON and attempt to start the engine.

How does the PassLock work on a 1998 Chevy truck?

Most ’98 Chevy trucks came equipped with a General Motors passlock security feature that cuts the fuel supply to the engine if a key that’s incompatible with the system is inserted into the ignition. Once the theft-deterrent security feature has been activated on your ’98 Chevy truck, you will have to reset the passlock to start the engine.

What’s the life of a Chevy Fixya key?

Cheap fix: Bypass the chip in your key. Temporary, but effective. Until the TDM (theft deterrent module) in the dash poops out, then you’re kinda screwed. I was told that these types of key security systems have a 7-10 year life span.

Why is my GM anti theft not working?

When the anti-theft system light stays on, the fuel pump won’t pump and injectors don’t activate to prevent theft. 2. Sometimes the GM (General Motor) Passlock system cars have a part around the ignition tumbler that goes bad and no longer detects the valid key, due to “the battery in the key is dead and the chip is not connecting to your computer”

What to do if your Chevy truck won’t start?

If the security feature was activated, you should not be able to start the truck. Turn the key back to the “Run” position. The security light will start to flash off and on. Keep the key in the “Run” position until the security light stops flashing. This usually takes 10 to 15 minutes. Do not remove the key.

How to disable anti-theft system in your car in the right?

Insert the key in the door lock all the way and then turn the key to unlock your car door, but don’t release it. You want to hold the key in the unlock position for twenty to thirty seconds. This lets the car recognize that you have the right key and will disengage and reset the system.

What happens if your anti theft system is not working?

Before getting into how to disable your anti-theft system when it is not working right, we will get into what it actually does. Your anti-theft system, like the name implies, is to prevent your car from being able to be stolen.

How to reset the anti theft system in a Chrysler 200?

Try disconnecting your battery cables then wait about 10 minutes. The computer should reset itself. Reconnect the wires to the battery. It is normal for the theft light to blink about every 5 seconds when the ignition key is out or in the off position. This means the system is armed and working properly. Hope this helps. God bless!

How to disarm the anti-theft lock in your car?

Disarming the anti-theft lock in your vehicle is relatively easy, but you’ll first need to complete a few troubleshooting steps to determine which is the simplest and easiest resolution for this common problem. Your first course of action should be to wait 15 minutes, and then start your ignition using your spare key.

How does an anti theft radio work on a Chevy?

General Motors vehicles, including Chevy, contain anti-theft Delco Theftlock radios that can only be used by entering the correct security code. This security code keeps someone from using the radio in another vehicle if the unique security code is not entered. The radio display will read “LOC” and the device will not turn on.

Why is my Chevy TheftLock radio not working?

The radio display will read “LOC” and the device will not turn on. Whenever your Chevy battery is disconnected or the battery dies, the Delco Theftlock radio enters the “LOC” mode. Follow these steps and you can reset the anti-theft radio and return the radio to a working state.

What kind of security system does a Silverado have?

There are two separate Passlock 2 systems used. To determine which kind you have remove the lower dash using a screwdriver. In the harness going to the steering column, you are looking for 3 thin wires which are white, yellow, and orange/black.

Why does my Chevy Silverado have a locked radio?

This article applies to the Chevrolet Silverado 1500 (1999-2006). Your Chevy Silverado 1500 is manufactured with a theft-deterrent system that is designed to cause your radio to become locked should you or someone else attempt to tamper with or remove it from your truck.

Is it easy to steal a Chevy Silverado?

As it turns out, some trucks may be easier to steal than others. And Chevy Silverado models are being stolen at a rapid rate. As reported by USA Today, a study performed by the Highway Loss Data Institute (HLDL) compiled car theft data from the years 2016-2018 to gauge “the frequency of theft” of certain vehicle models.

How many Chevy Silverado’s are stolen each year?

Even the National Insurance Crime Bureau’s (NICB) latest annual report, which highlights certain car-theft statistics, found that out of the 750,000 vehicles stolen in 2018, 31,566 of those were Chevy Silverado pickups. According to Car and Driver, the NICB also found that Chevy pickups were thieves’ favorite choice in 13 states.

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How does the PassLock system work on a Chevy Silverado?

The 2000 Chevrolet Silverado is equipped with the General Motors Passlock theft-deterrent security system. The system disables fuel to the ignition if a valid key is not used when attempting to start the engine. If the Passlock system is activated, the Silverado will not be able to be started until the system is reset.

How to reset anti theft system on 2008 Chevy Impala Fixya?

Turn ON the ignition, with the engine OFF. Attempt to start the engine, then release the key to ON (vehicle will not start). Observe the SECURITY light, after approximately 10 minutes the light will turn OFF.

Reset Anti-Theft System On Chevrolet Silverado 1500. Reset Anti-Theft System On Chevrolet Silverado 1500. Instructions for relearn a key. Use this procedure after replacing the following components:

6.With a scan tool, clear any DTCs. The Passlock system is designed to prevent vehicle operation if the key is not used to start the vehicle. The key, which does not contain a resistor will turn the Passlock lock cylinder. The Passlock lock cylinder will relay a resistance code to the instrument panel cluster (IPC).

When to relearn code on Chevy Silverado 1500?

After the third time, the new code will be relearned on the next start attempt when the ignition switch is rotated from the “Off” position. 5. From the “Off” position, start the vehicle, observing the security light. If the vehicle starts and runs normally, and the security light is off, the relearn is complete.

How to deactivate the anti theft system on GM cars?

How to deactivate the anti-theft system on GM cars 1st WAY TO FIX IT ALL THESE STEPS MUST GET DONE USING YOUR CAR KEY. 1. lock the door 2. unlock the door 3. open it 4. shut it 5. lock the door again 6. wait about 20 seconds • This will shut the alarm off and reset the system.

How do you reset the PassLock on a 1998 Chevy truck?

Turn your key clockwise to crank the ignition. Wait for your truck to start, which confirms that you have successfully reset the passlock on your ’98 Chevy truck. Based in Chicago, Kenyonda Bradley has been writing for online publications since 2008.

How do I relearn GM theft deterrent system?

If the key signature transmitted is acceptable to the theft deterrent control module, the theft deterrent control module will transmit fuel enable password to the PCM. If the fuel enable password is correct, the PCM will start the vehicle. To perform a relearn on a Passkey III system, make sure there is a fully charged battery in the vehicle.

How does an anti theft system work on a GM car?

When you insert the proper key and turn the cylinder, a magnet on the cylinder induces a magnetic field onto a sensor. The sensor signal is read by either the instrument panel cluster (IPC) or the body control module (BCM) depending on the vintage of the vehicle.

How can I Turn Off my Car anti theft system?

Step 1: Check your key fob battery. A car’s anti-theft system may activate if your key fob battery is dead and hasn’t disabled the system. Make sure the battery is installed correctly in your key fob. If the battery is correctly installed, replace it with a fresh battery and try again. Step 2: Check your door lock cylinder.

What are the different types of GM thieves deterrent systems?

GM vehicles have three types of Vehicle Thief Deterrent (VTD) systems, each requiring their own set of relearn procedures. Unless these procedures are correctly performed the vehicle will not start after the PCM has been replaced. The three systems are: Vehicle Anti-Theft System (VATS), Passkey, & Passkey II – resistive chip ignition key

How do I reset anti theft system Chevy Silverado?