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Chevy and GMC Truck Key Won't Turn: Worn Key or Worn Cylinder

Chevy and GMC trucks from 1999 to 2014 wear out keys and cylinders until the key won't turn. A new chip key is $125 (dealer $230); a cylinder, $179 to $349 (dealer $350 to $700).

Published 2026-09-30 · Updated 2026-10-01 · Licensed and insured.

On a Silverado, Sierra, Tahoe or Yukon built 1999 to 2014, a key that will not turn usually means a worn key, a worn lock cylinder, or both. Which one sets the bill, and a key cut by code tells them apart.

The test that costs less runs first. On a chip-key truck, a key cut to GM's factory depths is $125, where a dealer asks about $230, and if it turns the ignition cleanly the cylinder stays put. Only when a fresh key still binds does the cylinder come out, matched to your key, at $179 to $349 where dealers typically charge $350 to $700.

Both jobs happen where the truck is parked, and every price includes the drive. If the wheel is locked hard or the key will not slide in, start with the general key won't turn checklist.

Programming happens through the port under your dash.

Is this what your car is doing?

  • You have to wiggle the key, or press it in a little, before the ignition will turn.
  • The Silverado ignition feels locked even though the steering wheel moves freely.
  • The Chevy ignition is hard to turn, and it has been getting worse for weeks.
  • The spare turns smoothly while the key on your daily ring fights you.
  • A brand new copy from the hardware store sticks just like the old key did.
  • On the Tahoe or Yukon, the ignition switch feels stuck with the key pushed all the way in.

Models and years this page covers

Find your car. Each row says what the fault looks like on that model.

ModelYearsWhat happens
Chevrolet Silverado1999 to 2006Most of these trucks take a chipless key, so a code-cut key needs no programming. Where Passlock is fitted, a new cylinder needs a relearn before the truck starts.
Chevrolet Silverado2007 to 2013A Circle Plus chip key starts these trucks. Set the new cylinder to that key and its chip keeps working. The 2007 Classic, built on the old body, belongs with the row above.
GMC Sierra1999 to 2006The same wear as the Silverado of these years, badge aside. Most keys carry no chip, so the code-cut key test is quick.
GMC Sierra2007 to 2013Circle Plus key, with the remote on a separate fob. A worn cylinder is re-wafered or replaced to match that key, and the remote carries on as before.
Chevrolet Tahoe and Suburban2000 to 2014Plain key with Passlock on most trucks up to 2006, then Circle Plus chip keys from 2007. The Avalanche wears the same way. A sticking key points to the key or the lock cylinder, not the switch behind it.
GMC Yukon2000 to 2014Same key parts and the same wear as the Tahoe of each year, Yukon XL and Denali included.
Chevrolet ExpressOlder vans; confirm by VINExpress vans wear keys and cylinders the way the pickups do. If a work van carries only copies of copies, a new key cut to the code comes first.
Chevrolet EquinoxAround 2005Most 2005 to 2009 cars use a chip key with a separate remote, and the cylinder wears much like the trucks do.

What fails, and why

Inside a GM ignition lock cylinder, a row of spring-loaded wafers rises and falls with the cuts on the key, and the cylinder rotates only when every wafer sits flush. Years of daily starts wear down both the wafers and the key's cuts. Once either has lost enough metal, a wafer stops short of flush, and the key turns only after a wiggle, or not at all.

The key matters as much as the lock. A copy made at a hardware counter follows the rounded edges of the old key, so it starts life worn. A key cut by code goes to the depths GM specified, which makes it a fair test: if it turns freely, the cylinder was fine all along.

On roughly 1999 to 2007 trucks the cylinder also houses the Passlock sensor, part of GM's theft deterrent system, so a replacement cylinder has to be relearned before the truck will start.

How we fix it at your car

  1. Tell us the truck and what the key does

    The year, the VIN, how far the key turns and whether the spare does any better. Both possible outcomes, a key or a cylinder, are priced on that call.

  2. A key cut by code goes in first

    A new key is cut to GM's factory depths from the key code and tried in the ignition. If it turns cleanly through every position, the cylinder stays, and on chip-key trucks the new key is programmed before we leave.

  3. Cylinder re-wafered or replaced, set to your key

    When even a fresh key binds, the cylinder is pulled from the column, re-wafered or replaced, and matched to your current key, which keeps working in the doors too.

  4. Passlock relearn on older trucks

    On roughly 1999 to 2007 trucks the Passlock sensor rides with the cylinder, so the truck has to relearn it before the engine will run. The GM theft deterrent page explains that relearn.

  5. Every key, every door, then payment

    The truck starts on each key you own and the doors open on the same key. Then you pay, card or cash, the price quoted on the phone.

What it costs: dealer and us

Our price includes the drive anywhere in San Diego County. The dealer column is what a dealership typically charges for the same job, before any tow. Quotes owners reported for this exact fault follow below.

Prices as of 2026-09-30. Your exact price is confirmed on the phone before we drive.
Key or jobTypical dealerValue Car KeysYou keep
New chip key cut by codeCut by code to factory depths, then programmed at the truck. Most 1999 to 2006 trucks use a chipless key instead, quoted on the call. $230 $125 $105
Ignition cylinder re-wafered or replacedSet to the key you carry, with the relearn included on Passlock trucks. A tow to the dealer typically adds $125 to $200. $350 to $700 $179 to $349 $171 to $351
Key broken off in the cylinderThe stub comes out first, without drilling. A new key and any cylinder work are priced on top. n/a $89 to $149 see note

Quotes owners have reported

The first row comes from an owner's thread on a locksmith forum, where other locksmiths gave their own prices; the other two are national repair-shop estimates from September 2026. No figure here was quoted in San Diego.

CarQuoted or paidByWhenSource
2005 Chevrolet Equinox$250, then $1,400 from the same locksmith (other locksmiths in the thread gave their own prices of $300 to $750; one called $400 to $500 fair)LocksmithJul 2026Reddit, r/Locksmith
Ignition lock cylinder, national$293 to $378Repair shop estimateSep 2026RepairPal
Chevrolet Silverado 1500$204 to $306Repair shop estimateSep 2026RepairPal

Recalls, and when the dealer is the right call

Worn wafers and worn keys count as wear, and recalls cover defects, so expect to pay for this repair. Still, look the VIN up at nhtsa.gov/recalls first. An open recall on any part of the truck gets fixed at a franchised dealer at no charge, and the lookup costs nothing either.

The dealer or a mechanic is also the right call when the key turns fully and nothing happens. If the engine stays silent with the key at Start, look at the battery, the starter or the ignition switch wired in behind the lock. That is a mechanic's job, and you hear as much on the phone, before any van rolls.

Stuck keys and no-start trucks are different faults

A key that turns but will not come out of a GM truck is usually not the cylinder. The shifter is resting a hair short of Park, or the battery is flat. Press the brake, seat the lever firmly in Park, check that the dash lights up, and read key stuck in ignition if it still holds.

A truck that cranks but will not run, with the security light on or flashing, has a different fault. That one belongs to the theft deterrent system, where a new cylinder is only one of several fixes, so read the GM theft deterrent page before paying for ignition work.

Trucks recovered after a theft

These are also the trucks thieves take. In CHP's 2025 list of the most stolen trucks in California, 2000 to 2007 Silverados fill most of the top ten, led by the 2001 Silverado with 689 thefts. San Diego County recorded 8,023 vehicle thefts in 2025, and statewide 84% of stolen vehicles were recovered.

A truck that comes back with a forced ignition needs the same cylinder work, set to a key you hold. If the keys disappeared along with the truck, it becomes a lost car key job too, and on Passlock years the relearn still applies.

What the dealer and shop numbers leave out

A truck whose key has stopped turning cannot drive to a service bay, so before the $350 to $700 dealer figure comes a tow, typically $125 to $200. An ordered key can leave the truck parked one to three days, and when new keys are part of the job, their programming is billed separately at $100 to $180.

Independent shops run lower. National estimates from RepairPal in September 2026 put a cylinder replacement at $293 to $378, and at $204 to $306 for a Silverado 1500. Those are still shop prices, with the truck brought to the shop, and a cylinder estimate assumes the cylinder is at fault, while the key test costs $125 when a key is all the truck needs.

Questions people ask

Why won't my Chevy truck ignition let me turn the key?

On a 1999 to 2014 Chevy or GMC truck it is usually wear in the key, the cylinder or both. First rock the wheel toward its loose side while turning the key, to rule out the steering lock. Then try the spare: if it turns, your daily key is worn; if both stick, suspect the cylinder.

My Chevy Silverado key won't turn. Is it the key or the ignition?

Either can be worn, so the key is tested first, because it is the smaller bill. On a 2007 or newer truck a chip key cut by code is $125, against about $230 at a dealer. A duplicate of a worn key proves nothing, since it carries the same rounded cuts, so only a code-cut key is a fair test.

How much does it cost to fix a Chevy or GMC ignition?

$179 to $349 to re-wafer or replace the cylinder at the truck, set to your key; a dealer typically charges $350 to $700, plus the tow. Some trucks never get that far: if a $125 chip key cut by code turns the ignition cleanly, that is the whole bill. A key snapped off inside adds $89 to $149 for the extraction.

Can a locksmith replace the ignition cylinder on a Silverado or Sierra?

Yes, and on these GM trucks it is done where the truck is parked. The cylinder is re-wafered or replaced and set to your existing key, so the doors and the ignition still share it. Passlock trucks from roughly 1999 to 2007 get their relearn before we leave. It costs $179 to $349, quoted by VIN.

Will my truck need a new key after the cylinder is replaced?

No. The replacement cylinder is coded to your present key, and that key goes on unlocking the cab and starting the engine, with its chip already known on chip-key trucks. The exception is a key worn badly enough to cause the trouble; we flag that on the phone, and a fresh chip key cut by code is $125.

Sources

Other known problems

GM theft deterrent no-start

Many Chevy and GMC cars and trucks that show Service Theft Deterrent System and won't start clear with a free 10-minute relearn.

Ford Escape and Focus ignition repair

On 2008 to 2012 Escapes and 2000 to 2011 Focus cars, worn ignition parts stop the key from turning or reaching Start.

Nissan steering lock no-start

Push-button Altimas of 2007 to 2012, 2009 to 2012 Maximas, the 370Z, Cube, G35 and G37 can refuse to start when the electronic steering lock fails.

Mercedes key won't turn

On the 2008 to 2014 C-Class and some GLK and E-Class cars of the same era, a failed steering lock lets the key in but not turn.

Subaru all keys lost

When every key to a Subaru is lost, dealer quotes posted on Reddit run from over $1,000 to over $3,000, some to replace the module or send the...

Toyota and Lexus all keys lost

Losing every key to a push-button Toyota or Lexus means wiping and rebuilding the car's key memory.

Car key problems by make, and what each dash message means

Text us the year, the model and what the key does

Call or text (619) 340-1518 with the car's year, make and model. If a dealer already quoted you, send that quote over for our answer on the same key.

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