Estimates last updated October 16, 2025

2003 Chevrolet Trailblazer Ignition Lock Cylinder Replacement Cost

The average cost for a 2003 Chevrolet Trailblazer Ignition Lock Cylinder Replacement is between $234 and $297.

Labor costs are estimated between $134 and $197 while parts are typically priced around $100.
This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.

Ignition Lock Cylinder Replacement

What is an ignition lock cylinder?

The ignition lock cylinder and ignition switch are two separate components. The lock cylinder is the portion that the key slides into and allows the ignition to turn. This is one of your vehicle's defenses against theft.

How does the ignition lock cylinder work?

If the correct key is inserted, small actuators on the lock cylinder will allow it and ignition switch to rotate.

What are the symptoms related to a bad ignition lock cylinder?

When the ignition switch lock cylinder fails, it can create a situation where the ignition cannot be turned, or takes much wiggling and shaking before it finally turns. Or, it's possible the ignition will turn and run with the key removed, or lets the key be removed in any position. Lastly, the lock can fail to release your key, or not allow the key to travel all the way into the ignition lock cylinder.

Can I drive with an ignition lock cylinder problem?

When the ignition lock cylinder is malfunctioning, it may be impossible to insert the key, turn the ignition, or remove the key from the ignition. If the key won't go in or turn, you won't be able to drive the car, obviously. If the key won't come out, theft is a major concern. Either way, you'll want this fixed quickly.

How often do ignition lock cylinders need to be replaced?

Theres no set maintenance routine for the ignition lock cylinder. Lock cylinders fail somewhat commonly, but mostly for higher-mileage vehicles. Most vehicles will never need the lock cylinder replaced. You can help yours last by cleaning your ignition key, making sure there's no lint on it before putting it in the ignition, and keeping your keychain fairly light, so as not to put added pressure on the cylinder while you drive.

Chevrolet Ignition Lock Cylinder Replacement Cost Estimates

The average cost for a Ignition Lock Cylinder Replacement is between $234 and $297 but can vary from car to car.

Chevrolet Silverado 1500

Chevrolet Silverado 2500 HD

Chevrolet Trailblazer Ignition Lock Cylinder Replacement Cost by Year

The average cost for a Chevrolet Trailblazer Ignition Lock Cylinder Replacement is between $234 and $297 but can vary from car to car.

2008 Chevrolet Trailblazer

$220-$315

2007 Chevrolet Trailblazer

$234-$297

2006 Chevrolet Trailblazer

$234-$297

2005 Chevrolet Trailblazer

$234-$297

2004 Chevrolet Trailblazer

$234-$297

2003 Chevrolet Trailblazer

$234-$297

2002 Chevrolet Trailblazer

$234-$297

Ignition Lock Cylinder Replacement

Jump to:Commonly associated repairs Cost estimates by vehicle Cost estimates by year

What is an ignition lock cylinder?

How does the ignition lock cylinder work?

If the correct key is inserted, small actuators on the lock cylinder will allow it and ignition switch to rotate.

What are the symptoms related to a bad ignition lock cylinder?

Can I drive with an ignition lock cylinder problem?

How often do ignition lock cylinders need to be replaced?

How are ignition lock cylinder issues diagnosed?

If the ignition key stops working, or won't come out of the cylinder, the ignition lock cylinder is usually the culprit. A mechanic can confirm it's the problem after disassembling it.

How is an ignition lock cylinder replaced?

In most cases, the steering column plastic covers will be removed, and the ignition lock cylinder will be turned and released. A new cylinder will be installed, which usually will come with a new key.

RepairPal recommendations for ignition lock cylinder issues

It's best not to force open a stuck lock cylinder at home, as it's easy to damage to the ignition switch, plastic covers or the steering column. Ignition switch wiring is bundled with wiring for the airbags, and tampering with the airbag electrical wiring can result in serious injury.

Can I replace the ignition lock cylinder myself?

This job is best left to a professional repair shop. Newer ignition systems have more advanced security and can be difficult to access or remove.

Get a RepairPal Fair Price Estimate® for your 2003 Chevrolet Trailblazer.

Our Fair Price Estimate will help you avoid overpaying based on your car, needed service, and labor rates in your area.

2003 Chevrolet Trailblazer Ignition Lock Cylinder Replacement Cost

The average cost for a 2003 Chevrolet Trailblazer Ignition Lock Cylinder Replacement is between $234 and $297.

What will this cost in Columbus, OH

Need a repair? Trust our RepairPal Certified network.

Ignition Lock Cylinder Replacement

What is an ignition lock cylinder?

How does the ignition lock cylinder work?

What are the symptoms related to a bad ignition lock cylinder?

Can I drive with an ignition lock cylinder problem?

How often do ignition lock cylinders need to be replaced?

Chevrolet Ignition Lock Cylinder Replacement Cost Estimates

Chevrolet Trailblazer Ignition Lock Cylinder Replacement Cost by Year

What will this cost in Columbus, OH

Need a repair? Trust our RepairPal Certified network.

Ignition Lock Cylinder Replacement

What is an ignition lock cylinder?

How does the ignition lock cylinder work?

What are the symptoms related to a bad ignition lock cylinder?

Can I drive with an ignition lock cylinder problem?

How often do ignition lock cylinders need to be replaced?

How are ignition lock cylinder issues diagnosed?

How is an ignition lock cylinder replaced?

RepairPal recommendations for ignition lock cylinder issues

Can I replace the ignition lock cylinder myself?

Chevrolet Ignition Lock Cylinder Replacement Cost Estimates

Chevrolet Trailblazer Ignition Lock Cylinder Replacement Cost by Year

Tuffy Tire & Auto Service Center - Grandview

Excite Auto Repair & Towing

All In Auto Service

Tuffy Tire & Auto Service Center - Grandview

Excite Auto Repair & Towing

All In Auto Service

2003 Chevrolet Trailblazer Ignition Lock Cylinder Replacement Cost

The average cost for a 2003 Chevrolet Trailblazer Ignition Lock Cylinder Replacement is between $234 and $297.

What will this cost in Columbus, OH

Need a repair? Trust our RepairPal Certified network.

Ignition Lock Cylinder Replacement

What is an ignition lock cylinder?

How does the ignition lock cylinder work?

What are the symptoms related to a bad ignition lock cylinder?

Can I drive with an ignition lock cylinder problem?

How often do ignition lock cylinders need to be replaced?

Chevrolet Ignition Lock Cylinder Replacement Cost Estimates

Chevrolet Trailblazer Ignition Lock Cylinder Replacement Cost by Year

What will this cost in Columbus, OH

Need a repair? Trust our RepairPal Certified network.

Ignition Lock Cylinder Replacement

What is an ignition lock cylinder?

How does the ignition lock cylinder work?

What are the symptoms related to a bad ignition lock cylinder?

Can I drive with an ignition lock cylinder problem?

How often do ignition lock cylinders need to be replaced?

How are ignition lock cylinder issues diagnosed?

How is an ignition lock cylinder replaced?

RepairPal recommendations for ignition lock cylinder issues

Can I replace the ignition lock cylinder myself?

Repairs Related to Ignition Lock Cylinder Replacement

Chevrolet Ignition Lock Cylinder Replacement Cost Estimates

Chevrolet Trailblazer Ignition Lock Cylinder Replacement Cost by Year

Tuffy Tire & Auto Service Center - Grandview

Excite Auto Repair & Towing

All In Auto Service

Tuffy Tire & Auto Service Center - Grandview

Excite Auto Repair & Towing

All In Auto Service