2017 Porsche 911 Key Replacement

2017 911 key specs

The 2017 update switched the Carrera models to turbocharged 3.0-liter engines, while the key stayed the car-shaped fob that goes into the slot left of the wheel, or stays in your pocket on cars with Porsche Entry & Drive. The part number on your own fob decides what fits, not the model year, so don't assume a fob from a 2015 911 will work. The emergency key inside the fob opens the driver's door when the fob battery or the car's 12-volt system is dead.

What's specific to the 2017 911

2017 was the first model year of the 911 991.2. Early-production cars sometimes use different part numbers than later ones, so for a 2017 Porsche 911 we confirm the exact key from the VIN or the old key's FCC ID before cutting anything. The key style carried over from the previous generation, but immobilizer data and part numbers can still differ, so a key from a 2016 is not a safe substitute.

At roughly 9 years old, a 2017 Porsche 911 has usually seen real wear. Ignition and door cylinders on high-mileage cars wear along with the key, so we cut new keys to factory code rather than copying a worn key. Fob cases crack, buttons wear through and solder joints loosen at this age, so a new shell or a replacement remote often beats repairing the old one. Many have changed hands more than once, so erasing keys you can't account for is worth doing during the visit. Smart-key cars like the 2017 911 can be targeted with relay attacks that extend the fob's signal from inside your home, so keep fobs away from exterior walls or in a signal-blocking pouch, and have any missing fob erased from the car.

Key options for the 2017 Porsche 911

• Remote head key. Remote-head keys look similar across many vehicles, but the electronics inside are not interchangeable. Getting the right one for a Porsche 911 means matching the FCC ID and part number printed on the back or inside the case, the operating frequency, which is commonly 315 MHz on US-market cars, the transponder type, and the button layout. A trim with remote start or a power liftgate may use a four- or five-button version where a base trim uses three. We check those details against your VIN and your existing key, if you have one, before cutting the blade. A wrong match can look perfect and still refuse to program.
• Smart proximity key (push-to-start). A smart or proximity key lets a 2017 Porsche 911 open when you touch the door handle and start with a push of a button while the fob stays in your pocket or bag. Antennas in the doors and cabin send out a low-frequency wake-up signal; the fob answers on a higher radio frequency with an encrypted reply, and the car only allows a start once it confirms the fob is inside. When the fob battery is weak, that conversation fails, which is why most designs include a backup: hold the fob against the start button or set it in a designated pocket. The owner's manual shows where, and it's worth checking before you need it.

How the Porsche immobilizer works on the 911

Porsche has changed its key technology roughly once a decade, so the model year tells you a lot about the system you're dealing with. The 996 911 and the 986 Boxster use a one-piece key with an HU66 blade and the remote buttons in the head. For 2005 the 997 and 987 moved to a switchblade key, and the first Cayenne uses a similar flip key. The 2010 Panamera introduced the car-shaped fob that later spread to the Cayenne, 911, Boxster, Cayman and Macan. On those cars you push the fob into a slot left of the steering wheel and turn it, unless the car has Porsche Entry & Drive, which leaves a fixed handle in the slot so the fob can stay in your pocket. Starting with the 2017 Panamera, newer platforms such as the 2019 Cayenne, the 992 911 and the Taycan start without inserting anything, and their new fobs normally come from a Porsche dealer. On every one of them, a cut blade only opens a door. The engine or motor won't run until the car recognizes the key's electronics.

• Every 991.2 Carrera uses a turbocharged 3.0-liter flat-six, the first time the base 911 had turbocharging.
• In the US the turbocharged Carrera was a 2017 model, so 2016 cars are still 991.1.
• Match a spare to the part number on your own fob rather than assuming a 991.1 fob fits.

Getting a 2017 911 key from the dealer

New fobs for the 991.2 are ordered by VIN through a Porsche dealer and coded with the factory diagnostic system. Aftermarket coverage for 2017 and later Porsche sports cars is inconsistent and depends on the car's module version, so we check by VIN before saying anything is possible and we don't promise it. We can still open the car, cut the emergency blade and help you arrange the dealer visit with your paperwork ready.

Plan on a Porsche dealer for new keys; we check by VIN in case a spare is possible, and we handle lockouts and emergency blades.

How we help when the key must come from Porsche

Losing every key to a Porsche can mean anything from a long visit to a dealer-only job, depending on the generation. On 2000s cars with HU66 blades, we verify your ID and ownership papers, cut a new key and learn it to the immobilizer, though some cars need immobilizer data read from a module first. On the 2010 to 2016 cars with the car-shaped fob, all-keys-lost work usually involves removing a control module and reading it on the bench, and certain cars are better handled by the dealer. On everything newer, keys are ordered by VIN through a Porsche dealer, and the car may need to get there on a flatbed. Call with your VIN and we'll tell you which route applies before anyone drives out.

1. Get you back into the car. If the car is locked, we open it on site without damage, so you can reach the registration, the VIN plate and anything you need inside.
2. Line up the dealer order. We help you gather what the Porsche dealer will ask for: the VIN, current registration or title, and photo ID in the owner's name. That avoids a second trip.
3. Keep the car where it is if possible. Ask the dealer whether the key can be programmed with the car in place or whether it needs to be towed in. Some brands deliver a pre-coded key; others must program it at the vehicle.
4. Plan for a spare. Once you have a working key, order a second one. Losing the only key on a dealer-only system is the slowest and most expensive situation to recover from.

Why the 2017 911 needs a dealer key

Some keys can't be made outside the factory network, and the 2017 911 is one of them. Porsche generates the key data on its own servers and ties it to the car's VIN, so a new key is either pre-coded before it ships or programmed at the vehicle with an online session that only authorized dealer equipment can open. Aftermarket tools that handle older Porsche models can't complete that handshake on this generation, at least not reliably today. That is a security feature: it is the reason relay and key-cloning thefts are harder on cars like this.

What to bring to the dealer

Before you call the dealer, collect three things: proof of ownership (registration or title), photo ID with the same name, and the 17-character VIN. Write down which keys you still have and whether any of them still start the car. That one detail changes the order, the price and whether the car has to be at the dealership for programming.

While you wait for the new key

While the dealer key is on order, protect what you have. If one key still works, keep it indoors and away from the car, and don't hand it to anyone you wouldn't trust with the car itself. If the car is locked with belongings inside, we can open it without damage. If the key has a mechanical emergency blade, ask us about cutting a spare blade by code so you can at least lock and unlock the doors.

What affects the dealer's price for a 911 key

Dealer key pricing depends on the key type (a smart key costs more than a basic remote key), whether the car needs to be at the dealership for programming, the dealer's programming or labor charge, and whether a tow is involved because no working key remains. Ask for the total, parts plus programming plus any tow, before you agree, and ask whether ordering two keys at once lowers the per-key cost.

Avoid doing this twice

Once you have a working key for your 2017 911, order a second one while the car's information is already on file. On dealer-only systems, adding a key while one still works is simpler, faster and cheaper than replacing every key after a loss. Keep the spare somewhere you can reach quickly, not in the car, and note where you stored it.

911 key battery

If a new CR2032 doesn't bring the fob back, the battery wasn't the problem. Common culprits include a battery holder whose solder joints have cracked from drops, contacts corroded by moisture, worn rubber button pads that no longer reach the circuit, or a board damaged by water. We can test whether the fob is transmitting at all and inspect the board closely. Sometimes a new shell or a resoldered holder solves it; sometimes the fob has to be replaced and programmed. Meanwhile, the car can usually still be started with the fob held at the backup spot described in the owner's manual.

Common Porsche key problems

• A fading CR2032 in a car-shaped fob often shows up first as Porsche Entry & Drive ignoring the door handle. Replace the cell before ordering a new fob, and check the owner's manual for the backup procedure when the fob isn't detected.
• On many 911, Boxster and Cayman models the 12-volt battery sits in the front trunk, and later cars release that lid electrically. A dead battery can leave you locked out of the compartment you need for a jump, so find the emergency release and jump points in the owner's manual before you need them.
• Plenty of used Porsches change hands with a single key. On cars from 2010 onward, losing that last key turns a simple spare into module work or a dealer order, so get a second key while you still have one that works.
• Used Porsche fobs sold online are often locked to the car they came from. Unless a fob is new or properly prepared, it may refuse to program, so buy by part number from a source you trust or let us supply it.
• Keyless and standard fobs can be different parts on the same Porsche, and button layouts vary with tailgate, roof and trunk equipment. The part number on the back of your fob matters more than the model year when you order a replacement.

Tips from a mobile locksmith

• If your vehicle has a proximity key, think about where it sleeps at night. A fob hanging by the front door can sit within range of relay equipment used to open and start cars from outside. A drawer deeper inside the house, a signal-blocking pouch, or the fob's own sleep mode reduces that risk considerably.
• On any vehicle with a turn-key ignition, keep the key ring light. A heavy cluster of keys, tools and charms swings with every bump and slowly wears the ignition wafers and the key itself. When the key starts to stick or needs a wiggle to turn, deal with it early, before it stops turning entirely.
• Photograph the back of your fob and any key tag that came with the car. The FCC ID, part number and key code printed there make ordering a replacement faster and more accurate. Store the photos somewhere you can reach from any device, not only on the phone that might go missing along with the keys.
• Every so often, use the mechanical blade in the driver's door lock. Cylinders that go years without a key can seize from dust and dried grease, and you won't find out until the day the fob dies and the blade is your only way in. A small shot of dry lubricant keeps the lock ready.
• 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.

Proof of ownership

Before we cut or program a key for any vehicle, we verify that you have the right to it. Please have two things ready: the current registration or the title, and a government-issued photo ID with a matching name. We also check that the VIN on those documents matches the VIN plate on the dashboard. If the registration is locked inside the car, that's fine; we open the vehicle first, check the paperwork in the glove box, and only then make the key. If something doesn't line up, we stop and sort it out before any key is made.

Need a 2017 Porsche 911 key?

Call Julian's Locksmith at (951) 903-3193 if you're locked out of a 2017 Porsche 911 or need help preparing a dealer key order. We'll tell you plainly what we can do on site and what has to go through Porsche.