Chevrolet key replacement in Sun Valley

What do Chevrolet owners in Sun Valley usually need?

Most Chevrolet key calls from Sun Valley fall into a few groups: a lost key with no spare, a copy that was cut but won't start the engine, a broken flip key or cracked fob shell, and a smart fob that has stopped working. Chevrolet has used several very different key systems since 2000, so the first thing we do on the phone is work out which one you have. The answer changes the whole job.

Sun Valley's housing and businesses shape where these calls come from. The neighborhood is mostly postwar bungalows and ranch houses from the 1940s to the 1960s, with apartment pockets along Glenoaks Boulevard and the other major corridors. If you live in a house, your car and your spare key are probably at the same address. In an apartment, where the spare lives, and who has it, matters a lot more. Then there is the San Fernando Road industrial and recycling corridor. A work truck such as a Silverado or Colorado with a missing key can stop a whole day's work there, and that is a different kind of urgency than a family sedan sitting in a driveway.

The area around the Sun Valley Metrolink Station is another place where car key replacement comes up. A key lost or left behind on a commute is a key that is far from home and far from any spare.

A key locked inside the car is a different problem from a lost key. If that is your situation, our page on car lockouts in Sun Valley covers it. If the key is gone for good, keep reading.

How does mobile Chevrolet key service work at the curb?

We come to the car. You don't tow it to a shop or arrange a ride. Our mobile vans carry the cutting and programming equipment, and our storefront is at 10740 Wilshire Blvd in Westwood, about 17 miles from Sun Valley. Here is how a typical job goes:

1. You call (213) 577-1366. The line is answered 24 hours a day, 7 days a week. Tell us the model, the model year, and what you have: no keys at all, one working key, a broken key, or a fob that has died.
2. We identify the key system. For many Chevrolets the model and year settle it. Where catalogs disagree about a model-year, we confirm by VIN or in person rather than guess.
3. We confirm that the car is yours. Expect to show ID and proof of ownership, such as registration or title. Any honest locksmith will ask.
4. The van arrives at your curb, driveway, apartment lot or work yard. We cut the key, by code where the car allows it, or from the lock if needed.
5. We program the key through the OBD-II port, or run the onboard relearn when that is the right method for your model. Passlock-era cars need no programming at all.
6. We test everything before we leave: the door locks, the engine start, the remote buttons, and every key that belongs to the car, including the spare.

Which Chevrolet key do you have? The key eras in plain terms

Chevrolet key technology moved through four distinct eras, and the boundaries differ by model. Here is the short version, based on the verified data we work from.

Knowing the era also tells you why a hardware-store copy may have failed, and why replacing a key can be a very different job from one Chevy to the next.

• Passlock era, through the mid-2000s: Silverado, Tahoe and Suburban (2000-2006), Impala (2000-2005), Malibu (2000-2003), first-generation Equinox (2005-2006) and first-generation Colorado (2004-2012). There is no chip in the key. The security sensor sits in the ignition lock cylinder, so a correctly cut key starts the car.
• PK3+ "circle-plus" transponder era: an ID46 (Philips/NXP Hitag2) chip in the key. It arrived at different times by model: Malibu in 2004, Impala in 2006, the Silverado, Tahoe and Suburban trucks and SUVs in 2007, and Equinox in 2007.
• Global A era, roughly 2010 to 2015 and after: Hitag2 Extended "46E" chips in remote-head keys, flip keys and the first proximity fobs. Examples are the Cruze in 2011, Malibu in 2013, Silverado in 2014, Tahoe and Suburban in 2015, and Colorado in 2015.
• Global B era, from 2021: NXP ID49 (Hitag Pro/AES) smart fobs on redesigned vehicles such as the 2021 Tahoe and Suburban, the 2023 Colorado and the 2024 Traverse. Several 2021 to 2024 boundaries are disputed between catalogs, and we treat them that way.
• Newest 2025+ redesigns, such as the Equinox: one source lists Megamos AES ID88 keys. Catalogs disagree, so we treat that listing as unconfirmed and check the actual car.

Does my Chevrolet key need programming?

It depends on the era, and this is where Chevrolets differ most from many other makes.

Passlock-era cars need no key programming. We cut the key by code and it works. You may have heard of the 30-minute relearn, run as three 10-minute cycles. That only applies after an ignition cylinder or module has been replaced, not for an ordinary new key.

PK3+ ID46 cars support that same 30-minute onboard relearn for all-keys-lost situations without special tools. Programming through the OBD port with professional equipment is much faster, so that is usually how we work.

Global A 46E-era vehicles, roughly 2010 to 2020, are programmed through the OBD-II port with professional tools. Aftermarket coverage for all-keys-lost on these is mature, which is good news for owners of newer Cruzes, Malibus, Silverados and Colorados.

On 2021 and later Global B vehicles, programming is increasingly validated through GM's servers (ACDelco SPS2). Depending on the tool, it may need NASTF VSP-credentialed tooling or dealer service, so we confirm current tool coverage for each job before we promise anything.

What if you've lost every Chevrolet key?

All keys lost is the situation people dread, but how hard it is depends almost entirely on the year and model.

With a Passlock-era Silverado, Tahoe, Impala, Malibu, early Equinox or early Colorado, it is a straightforward job. We cut a key by code and the car starts, because there is no chip to program. A PK3+ car needs a transponder key programmed, which we do through the OBD port or by the onboard relearn. A Global A car is also an OBD programming job, and tool support is well established.

The 2021-and-later group is where honesty matters. Programming is increasingly validated through GM's servers, and all-keys-lost on these cars may require NASTF VSP-credentialed tooling or dealer service. The very newest 2025+ redesigns, which one source lists with Megamos AES ID88 keys, have immature aftermarket support and may be dealer-only or specialist-only for now. If your Chevrolet falls in that group, we will tell you plainly on the phone whether we can handle it or whether the dealer is the right route, so you don't pay for a visit that can't solve the problem.

For help with the lost-key situation more broadly, see our page on lost car key replacement in Sun Valley.

What problems do we see with Chevrolet keys?

Some failures aren't the key's fault at all, so it helps to know the common ones before you pay for a new key.

• Failed Passlock sensors on 2000s models. The security light stays on, or the engine starts and then stalls, even with a perfectly good key. A new key won't fix that.
• Worn ignition lock wafers on high-mileage trucks and sedans. The key sticks or stops turning. Sun Valley's dusty Santa Ana wind season can add grit to a stiff cylinder, but wear is the usual cause.
• Hardware-store copies cut for transponder-era cars with no chip. They open the doors but will not start the engine.
• Broken flip-key hinges and cracked remote-head or fob shells.
• Dead smart-fob batteries. The dash says "no remote detected," but the hidden emergency blade still opens the door. Try a fresh battery before you assume the fob is dead.
• Low-quality cloned or aftermarket chips that fail intermittently. They work for a week and then leave you stuck.
• If your fob is the problem, our page on key fob replacement in Sun Valley goes into more detail.

How much does Chevrolet key replacement cost in Sun Valley?

We won't quote a number without knowing your car, and you shouldn't trust anyone who does. Here is what moves the cost up or down:

• The key system: a Passlock key cut by code is a simpler job than a proximity fob that has to be programmed.
• Whether you have a working key. Making a copy from an existing key is usually the more economical route compared with all keys lost.
• The type of key: a plain blade, a remote-head key, a flip key or a smart fob each cost differently to supply.
• The programming method: OBD programming with professional tools differs from jobs that need server validation or specialist tooling on 2021+ models.
• Whether the ignition cylinder or other parts need work. A worn lock or failed Passlock sensor adds a repair on top of the key.
• The time and place of the call: nights, weekends and remote spots involve more of our time than a daytime call to a nearby curb.

Should I go to the dealer or call a locksmith?

Both are legitimate. For most Chevrolets through roughly 2020, a mobile locksmith can cut and program the key where the car sits, which saves you a tow and the dealer's schedule. We handle everything from Passlock-era keys to Global A fobs.

The dealer is the right call in some cases. On the newest Chevrolets, especially 2025+ redesigns with Megamos AES ID88 keys, and some 2021+ Global B cars, tool support is limited and dealer service may be the only route for now. We will say so rather than start a job we can't finish.

If you do call us, here is what you get. We have been in business since 1987. We run a real storefront at 10740 Wilshire Blvd in Westwood plus mobile vans, so you are dealing with one company and not a dispatch middleman who sends whoever is free. David, the owner and lead technician, oversees the work.

One more tip: California requires locksmith companies to hold a BSIS LCO license. Ask any locksmith for their license number before work begins and check it with the state. For more on the brand, see our Chevrolet key service overview and our wider car key services page.

Chevrolet key service around Sun Valley

We serve all of Sun Valley, ZIP 91352, and the areas around it. That includes the Stonehurst tract, where many of the 1920s river-rock cottages keep their vintage hardware and where a lockout or lost key is often a house-and-car problem at once. It includes La Tuna Canyon, the Roscoe Boulevard and Sunland Boulevard corridors, the Glenoaks Boulevard apartment pockets, the area around Sun Valley Park, and the edges near Shadow Hills and Hansen Dam.

The San Fernando Road industrial corridor has recyclers and auto businesses with yard gates, roll-up doors and commercial padlocks. We can bring a van to a work yard for a truck key, and the same visit can sort out gate or padlock service. Near the Shadow Hills equestrian edge, horse-zoned lots mean long driveways and gated ranch entries. If your Chevrolet key and your property keys have both gone missing, tell us on the phone and we can plan for both.

Landmarks like the Stonehurst Recreation Center, Fernangeles Recreation Center, Sun Valley Recreation Center, La Tuna Canyon Park and John H. Francis Polytechnic High School are easy meeting points if you're not at home when the key goes missing. The hot, dry eastern San Fernando Valley summers also matter to wooden house doors and frames, which can swell and stick, so a lockout may be a swollen door rather than a lost key.

For the full local picture, visit our Sun Valley locksmith page and the page for car key replacement in Sun Valley. If you would rather write first, use our contact page, or start at our home page.

Chevrolet models in our key guide

• All Chevrolet keys
• Colorado
• Cruze
• Equinox
• Impala
• Malibu
• Silverado
• Suburban
• Tahoe
• Traverse