2004 Jaguar S-Type Key Replacement

2004 S-Type key specs

Most S-Types carry a four-button flip key (FCC ID NHVWB1U241) with the remote built into the head and a fold-out 6-cut Tibbe blade; the buttons cover lock, unlock, trunk release and lights. Early 2000-2002 cars often have a plain Tibbe transponder key with a separate four-button remote (part XR83-15K601-AA, FCC ID CWTWB1U322) instead, and the two layouts overlap in 2001 and 2002. Both setups use the same 4D60 PATS chip, so a flip key can usually be made for any year. V6, V8 and S-Type R models share the same key.

What's specific to the 2004 S-Type

The 2004 Jaguar S-Type is the fifth of 9 model years in the S-Type X200 (2000–2008), so it shares its key system with the rest of that run, which makes replacement parts easy to source. A 2004 Jaguar S-Type is about 22 years old. Original keys are often worn smooth, and some factory remotes for cars this age are discontinued, so we may suggest a quality aftermarket remote or a separate fob. Because older immobilizers are simpler, all-keys-lost jobs on cars this age are usually more straightforward than on late models.

If a newly cut key turns the 2004 S-Type's ignition but the engine cranks and dies, the transponder isn't recognized yet; that's a programming step, not a cutting problem, and it's handled at the car.

Key options for the 2004 Jaguar S-Type

• Flip (switchblade) key. A flip key folds its blade into the fob on a spring-loaded hinge and swings it out with the press of a button. Inside the body sit the transponder chip and the remote circuit board, which means the metal blade itself carries no electronics. That's good news when the blade snaps. On many flip keys for a Jaguar S-Type, we can cut a new blade to your key code and fit it into your existing fob, with no reprogramming required, because the chip and remote never left the housing. Many flip-key blades are laser-cut, with a groove milled along the side rather than notches on the edge, so they need a code machine built for that profile.
• Transponder (chip) key. Transponder chips come in families, such as Texas Instruments 4C and 4D, Philips 46, Megamos 48 and the newer 128-bit AES types, and a Jaguar S-Type only accepts the one its immobilizer was built around. That's why a hardware-store blank that looks right often won't start the car. We match the blank to the vehicle's chip and keyway before cutting. One more practical note: the chip lives in the plastic head, and when that head cracks, the chip can fall out or shift away from the antenna. If the car starts some days and not others, a damaged head is a frequent reason, and replacing the key before it quits entirely costs less than an all-keys-lost visit.
• Key with separate remote fob. Pairing a separate remote to a 2004 Jaguar S-Type is a different job from programming the ignition key. Some vehicles accept new remotes through an on-board sequence of key turns and button presses; others need a scan tool connected to the OBD-II port. On many of them, entering remote programming mode clears every remote the car already knows, so any remote you want to keep has to be present and re-paired during the same session. Before we start, gather every remote that belongs to the vehicle. Leaving one in a kitchen drawer is a classic way to end up with a remote that quits the day after a new one is added.

How the Jaguar immobilizer works on the S-Type

Jaguar keys from 2000 on fall into four families, and knowing which one your car uses explains most of what a key job involves. The XJ8 (through 2003) and XK8 (through 2006) carried over from the late 1990s and use an 8-cut Tibbe key plus a separate four-button remote; on 2000-2003 cars the transponder is a Megamos crypto (ID48) chip. The S-Type, X-Type and 2004-2009 XJ share a Ford-era immobilizer and a 6-cut Tibbe key carrying a Texas Instruments 4D60 chip, usually built into a flip remote. Jaguar's Smart Key arrived with the 2007 XK and 2009 XF, a proximity fob with a Hitag2 (ID46) transponder and push-button start. From the 2011 XJ, and then the XF, F-Type, XE and F-Pace, Jaguar moved to the KOBJTF10A fob it shares with Land Rover, which uses a Hitag Pro (ID49) transponder and an HU101 emergency blade. On smart-key cars the key data lives in a keyless vehicle module (KVM), called the remote function actuator (RFA) on later models, and its software version decides how a key can be added. The E-Pace, I-Pace and the facelifted cars from about 2020 use newer fob families, where aftermarket coverage is thinner.

• S-Type keys carry a Texas Instruments 4D60 chip, part of the Ford PATS system shared with the Lincoln LS.
• Tibbe keys need a clamp and cutter set up for Tibbe blanks; the edge-cut machines found at most hardware stores cannot duplicate them.
• Supplier tables list the flip key for S-Types from 2000 or 2001 onward, so an early car may have either layout.

Programming a 2004 S-Type key

The S-Type uses the Ford PATS immobilizer, so keys are programmed with a scan tool through the OBD-II port, and some procedures include a timed security wait before the car accepts new keys. An all-keys-lost session normally clears the old keys from memory, so a key that turns up later will not start the car until it is reprogrammed. Remotes are paired separately, and cars with a separate remote need that step even when the ignition key already works.

Lost every key to your S-Type?

1. Gather your documents and the VIN. Find your registration or title and a government photo ID in the same name. Note the VIN, which is printed on the driver's side of the dashboard and usually on your insurance card. If the paperwork is locked in the car, tell us; we'll open the vehicle first and check it there.
2. Get into the vehicle without damage. Entry comes before key-making because we need access to the ignition, the OBD-II port and sometimes the documents in the glove box. We take care with weather stripping, door frames and paint, and we confirm the dash VIN matches your registration before going any further.
3. Originate a new key from the car. Originating a key means building it without a sample. The door lock usually reveals most of the cuts; any it doesn't are worked out by test-cutting and trying the ignition or a second lock. The finished blade should feel like a factory key, not a forced fit.
4. Program the key to the immobilizer. Next, the new key is introduced to the car's security system. Many vehicles allow this through the OBD-II port with a PIN or security procedure. Some all-keys-lost cases require reading a module on the bench, and a few platforms only allow dealer programming, which we'll tell you up front.
5. Erase missing keys and add a spare. Once the car starts, we remove the lost keys from memory wherever the system allows, so they can't start the engine if someone finds them. Making a second key during the same visit costs much less than a repeat all-keys-lost call down the road.

Why a spare key pays for itself

• Two drivers sharing one key is a daily negotiation. A second key lets a partner, teenager or coworker use the vehicle without handing keys back and forth in parking lots, and it means one person losing their key ring doesn't leave the whole household stuck.
• When you sell or trade in the vehicle, buyers and dealers expect two keys. A missing key can come up during an appraisal or a private-sale negotiation, so having both on hand keeps the conversation about the car, not about what it will cost the next owner to replace one.
• Some vehicles make it hard to add a key once you're down to one. Certain immobilizer systems let an owner program an extra key on-board only when two working keys are present, so a second key preserves the easy options for later and avoids a full reset.

Dealer or mobile locksmith?

Price and parts are the other half of the comparison. Dealers typically sell factory keys only and charge their posted service rates for programming. We offer factory keys where it matters and quality aftermarket alternatives where they perform well, and the quote covers cutting, programming and the trip, with nothing tacked on at the end. Timing differs too. Dealer service departments generally keep business hours, while we take automotive calls every day from 6:30 a.m. to 11:30 p.m., which covers early commutes and late evenings. We're closed overnight, and we'll be upfront if your timing means the dealer or a next-day visit is the better plan. Neither option is wrong; the right one depends on your S-Type and your schedule.

S-Type key battery

Most fobs for a 2004 Jaguar S-Type open along a small slot in the seam; a coin or a plastic pry tool works better than a screwdriver, which chews up the housing. If the fob hides a mechanical blade, slide it out first, since the case often opens from that gap. Note which side of the old cell faces up, swap in a fresh replacement, and press the halves together until they click all the way around. Handle the new battery by its edges, because skin oil on the faces can hurt contact. In most cases the fob keeps its programming through a battery change, so test lock, unlock and start, and you're done.

How the job works

1. Identify the exact key your S-Type uses. Every job starts with the VIN, the trim and a look at any key you still have. From those we confirm the keyway, the transponder or smart-key chip, the remote frequency, the FCC ID and the button layout. Two Jaguar S-Type keys that look identical can carry different electronics, so this step keeps the wrong part from ever reaching the car.
2. Verify ownership before any work. California holds licensed locksmiths responsible for knowing whose car they're making keys for. We record your name, the VIN and the plate on a work order. If you aren't the registered owner, you'll need the owner's written authorization along with your own photo ID before we begin.
3. Get the key code or decode the lock. A key is cut from a code, not a guess. When the factory code can be retrieved through manufacturer channels after ownership is verified, we use it. When it can't, we decode a door lock with a pick-decoder tool that reads the wafer positions without damaging anything, then work out any missing cuts.
4. Cut the blade on-site. Our van carries a code-cutting machine that handles both traditional edge-cut blades and the laser-cut, side-milled profiles common on newer keys. The blade is cut to the code, then test-fitted in a door lock and the ignition or emergency keyhole to confirm smooth operation before any programming begins.
5. Program the chip, remote or smart key. Programming tells the car's computers that the new key belongs to the vehicle. Transponder chips are added to the immobilizer, remote buttons to the body control module, and proximity fobs to the keyless system. If a step requires dealer-only access on your S-Type, you'll have heard that before we arrived, not halfway through the job.
6. Test everything and clear out old keys. Before we leave, every function gets checked: doors, trunk or liftgate, panic button, remote range, engine start, and the emergency blade in the driver's door. If keys are missing, we delete them from the car's memory where the system allows, so a lost key can no longer start the engine.

What affects the price of an S-Type key

• Factory or aftermarket parts. Factory keys and fobs carry the manufacturer's part number and usually the highest parts cost. Quality aftermarket keys use compatible electronics at a lower price and work well on many vehicles. We tell you which options we trust for your car, and where an aftermarket version has known range or fit issues, we steer you to OEM.
• Programming complexity and security access. Some immobilizers accept a new key with a few on-board steps. Others need a PIN code, a timed security wait, manufacturer online access, or removing a module to read its data. Every extra layer of security on the Jaguar system adds equipment time and labor to the job.
• Blade style and cutting. The blade still matters on keyless cars, because the emergency insert has to fit the door lock. Cutting by code is standard for us. Decoding a door lock when no key or code exists adds time, and so does progressing any cuts the door lock doesn't show.
• Travel, timing and extra repairs. Sometimes a key problem is really a lock problem: an ignition that won't turn even with the right key, or a door cylinder that has been jammed for years. Fixing those is separate work. We point them out, explain the options, and quote the whole job up front so the bill holds no surprises.

Call (951) 903-3193 with your VIN and the keys you still have, and we'll quote the job before any work starts.

Common Jaguar key problems

• A weak CR2032 in a Jaguar smart key causes intermittent no-start or key-not-detected warnings before the fob dies completely. Most smart-key models have a backup procedure, described in the owner's manual, that lets the car read a fob with a low battery.
• Proximity-key Jaguars, like other keyless cars, are exposed to relay attacks that stretch the fob's signal from inside your house to the car. A signal-blocking pouch and an OBD-II port lock are sensible, inexpensive precautions.
• Low 12-volt battery voltage produces odd immobilizer and keyless-entry faults and can abort key programming partway through. Several Jaguars mount the battery in the trunk, which makes a dead battery and a locked car a trickier combination.

Tips from a mobile locksmith

• When a key's head cracks or its blade bends, replace it before it fails. A transponder chip can slip out of a split head, and a bent blade can break off inside the ignition or door lock, turning a simple key replacement into an extraction and repair job. Small symptoms are the inexpensive time to act.
• Learn your car's dead-fob start method now, in the driveway, rather than in a dark parking lot later. Depending on the make, you hold the fob against the start button or place it in a marked pocket in the console. Also find the hidden keyhole on the driver's door handle and practice using the emergency blade.
• Southern California heat is hard on keys. Fob batteries drain faster, plastic housings turn brittle, and rubber button pads crack when a key spends summer afternoons on a dashboard or in a sunny cup holder. Carry the fob with you or keep it shaded, and replace batteries before summer rather than after they fail.

Proof of ownership

Not every situation fits the simple case, so here's how we handle the common exceptions. For a leased or financed vehicle, a registration that lists you as the registered owner or lessee works with your ID. If you just bought the car, bring the signed title or bill of sale along with your ID. For a company or fleet vehicle, we need written authorization from the business plus the driver's ID. If the car belongs to a family member, the registered owner should be present or provide signed permission and a copy of their ID. Rental vehicles go through the rental company.

Need a 2004 Jaguar S-Type key?

Need a key for your 2004 Jaguar S-Type? Call Julian's Locksmith at (951) 903-3193 with your VIN and tell us which keys you still have. We'll confirm what the job involves, give you a quote before any work starts, and come to you in Southern California with everything needed to cut and program the key on the spot.