How to replace GM PassLock ignition key lock cylinder?

Press the small release tab (see pictures) While turning key to the ON Position Installation is the reverse of the above procedures, see below for the relearn procedure Clear all Diagnostic Trouble Codes (DTC). Record and/or repair your DTCs before clearing. You can clear the codes by disconnecting the battery for 10 minutes.

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.

Is there a way to unlock a Chevy truck without keys?

You might think twice about parking it on the questionable sidestreet now. Instead of learning how to unlock a Chevy truck without keys, you can get a magnetic box and put a hide-a-key somewhere on the outside of your vehicle. Just be sure to wedge it in a spot where it won’t be easily found or fall off when driving.

How to replace the key on a Chevy Silverado?

1 First, call an automotive locksmith that offers a mobile service for Chevrolet Silverado cars. We can help you with that. 2 Second, tow the car to the dealer. 3 Third, order a key online and have the dealer or locksmith cut and program (if necessary) it for you.

What do you need to know about ignition lock cylinder?

Issues inserting and removing the key The ignition lock cylinder is the cylindrical tumbler and key that is used to power on and start the vehicle.

Can a bad ignition lock cause a car to not start?

If the ignition lock cylinder wear out or breaks, it may prevent the vehicle from starting when the key is inserted and turned. A no start condition can also be caused by a wide variety of other issues, so having the vehicle properly diagnosed is highly recommended.

What happens when you put the key in the ignition?

When the key is inserted into the ignition, a magnet on the cylinder creates a signal to the ECM (engine control module) that essentially says everything is ok to start and run. The short answer is there’s a problem with the sensor.

What does it cost to fix a Chevy Monte Carlo?

The automatic transmission shifter may fail, or a wire may break near the shifter causing the ignition key to become stuck in the ignition lock cylinder. The average cost for a Chevrolet Monte Carlo General Diagnosis is between $88 -$111.

Where is the electronic ignition switch located on a GM car?

A typical symptom of failure is the security light illuminating on the dash. Also, keep in mind the electronic ignition switch is located just behind the lock cylinder. It is the plastic part that the ignition lock cylinder fits into. It contains the actual electrical connections and wiring and it sends current to numerous different components.

What to do when your ignition lock needs to be replaced?

Note: To avoid programming when the ignition lock needs to be replaced, use the housing of the ignition lock, which contains the Hall-effect switch. Replace only the plug. The Hall-effect switch determines the magnetic value. Step 1. After replacing the lock, try to start the vehicle with a correctly cut key.

Why did General Motors start the PassLock system?

Aug 1st, 2005 The PassLock system was designed to prevent vehicle theft by disabling fuel to the engine if attempts are made to start the vehicle without the correct bitted key. PASSLock increased the level of security while retaining the ease of service and costs offered by standard ignition lock systems.

What kind of ignition lock does General Motors use?

PASSLock was developed for the General Motors 10-cut lock mechanism. There are three basic styles of PassLock ignition locks: Modular, Modular in-dash, and CSS. When purchasing a replacement ignition lock, make sure the part number is correct for the year, make, and model.

What to do if you have a PassLock / ignition issue?

Here is my dilemma, I have a passlock/ignition issue. Here is what it does: 1. Get in the truck 2. Stick the key in 3. Without even turning the key, the truck tries to crank, sometimes 2-3 times 4. Take key out 5. Passlock light comes on 6. Wait 10 minutes and then crank Those steps happen about once a week.

How to relearn the pass lock sensor code?

The vehicle is now ready to relearn the Pass lock Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. Turn OFF the ignition, and wait 5 seconds.

Can a unworn key turn an ignition cylinder?

Or, an unworn key may not turn a worn ignition cylinder, as they haven’t “worn together.” How To Fix It: The best way to do this is to get a new lockset, with new keys and a new cylinder. You might consider getting a matched lockset that includes the door and trunk cylinders.

How often should you insert and remove the ignition key?

You may insert and remove the ignition key thousands of times every year, wearing the key and tumblers ever-so-slightly every time. Heavy keychains can add more stress to the ignition cylinder, increasing wear. After a while, the key may fall out of the cylinder or be unable to turn out of the lock position.

Where is the ignition key lock cylinder located?

The ignition lock cylinder contains the pass-lock security chip that is extremely common to fail on the above vehicles. A typical symptom of failure is the security light illuminating on the dash. Also, keep in mind the electronic ignition switch is located just behind the lock cylinder.

Can a car key get stuck in the ignition?

A key getting stuck in your Trailblazer’s ignition is not the most common problem. You can go the whole life of the vehicle and this typically won’t happen. Here are some of the most common reasons why the key would get stuck in the ignition. They are presented somewhat in the order of most likely to least likely to be the cause.

How long does it take to turn off PassLock sensor?

Observe the SECURITY telltale, after approximately 10 minutes the telltale will turn OFF The vehicle learns the Passlock™ Sensor Data Code and/or password on the next ignition switch transition from OFF to Crank. You must turn the ignition OFF before attempting to start the vehicle.

Where do I find the PassLock sensor code?

The vehicle learns the Passlock™ Sensor Data Code and/or password on the next ignition switch transition from OFF to Crank. You must turn the ignition OFF before attempting to start the vehicle. Start the engine (the vehicle has now learned the Passlock™ Sensor Data Code and/or password)

When did General Motors introduce the PassLock ignition lock?

For the 1995-1/2 model year, General Motors introduced PASSLock, the first ignition lock equipped with a magnet mounted into the ignition lock cylinder and a corresponding Hall-effect sensor mounted into the housing assembly.

How does a GM PassLock bypass system work?

Every GM security system works on this one simple principle: The Key/Lock component sends an input signal to the TDM/BCM through the wiring. When the TDM gets the right input signal, it produces an output signal that allows the engine to start. That’s all it does. Because the Resistor is NOT a Passlock Bypass!

Can a worn out ignition key start a car?

Then, very carefully, tap the key until it is straight and attempt to start the car again. Factor 2: Worn out key. Keys that are worn out are actually very common, particularly on older vehicles. If your vehicle key is worn out, this will not allow the pins inside of the cylinder to drop correctly and start the car.

How to replace GM PassLock ignition key lock cylinder?