Understanding Your Situation

A stolen key fob means someone else may have a working Smart Key for your Tundra. Until the stolen fob is removed from the vehicle’s authorized key list (and replacements are programmed), your truck may remain vulnerable to unauthorized entry or starting.

🚀 Immediate Steps to Take

  1. Confirm it’s stolen (not misplaced), and move the truck to a secure location if you still have another working key (locked garage preferred).
  2. File a police report and document the fob details (when/where stolen, VIN, license plate). Contact your insurer if you have comprehensive coverage.
  3. Arrange key security service ASAP: contact a Toyota dealer (or qualified automotive locksmith with Toyota Smart Key capability) to erase the stolen fob from the vehicle and program replacement keys.

Your Options

Toyota dealer: erase stolen Smart Key + program replacement fobs

Cost: $350-$900+ Time: Same day to 1-3 days (parts/appointment dependent)

The dealer verifies ownership, connects factory scan tools to the truck, removes the stolen fob from the authorized Smart Key list, and programs new Smart Key fobs (and cuts/programs the emergency key blade if applicable).

âś“ Pros:
  • Most reliable compatibility and support for 2024 Tundra Smart Key systems
  • Can remove stolen fob from the vehicle so it no longer works
âś— Cons:
  • Often the highest cost option
  • May require towing if you have no working key or if all keys are missing

Mobile automotive locksmith: replace and reprogram Smart Key (if supported)

Cost: $250-$700 Time: Same day (if supported and parts in stock)

A qualified locksmith comes to the vehicle, verifies ownership, and attempts to erase lost/stolen keys and program new Smart Key fobs on-site using professional diagnostic equipment (capability varies by provider and vehicle).

âś“ Pros:
  • Convenient on-site service; may avoid towing
  • Potentially lower cost than a dealer
âś— Cons:
  • Not all locksmiths can fully support late-model Toyota Smart Key systems
  • Quality varies—choose a licensed/insured provider with clear written estimates

Insurance claim (comprehensive): key replacement and rekey/reprogram coverage

Cost: $0-$500+ (depends on deductible and coverage) Time: 1-7 days (authorization and paperwork varies)

If covered, your insurer may reimburse some or all costs for replacement keys and, in some cases, rekeying/reprogramming. You’ll typically need a police report and receipts.

âś“ Pros:
  • Can significantly reduce out-of-pocket cost
  • Creates a documented theft record that may help if the vehicle is later stolen
âś— Cons:
  • Deductible may exceed the key cost
  • Claim may affect premiums depending on insurer and history

Temporary risk reduction: limit access while waiting for service

Cost: $30-$150 Time: Same day

Use practical steps to reduce theft risk until the stolen fob is disabled—secure parking, steering wheel lock, and minimizing vehicle exposure.

âś“ Pros:
  • Immediate, low-cost theft deterrence
  • Useful if parts/appointments are delayed
âś— Cons:
  • Does not disable the stolen fob
  • Deterrents can be bypassed; not a substitute for reprogramming

⚠️ What to Avoid

✕ Don’t assume the truck is safe because the fob is “just for unlocking”—on Smart Key systems it may enable starting too.

✕ Don’t buy used/unknown-origin key fobs online expecting them to program easily; they may be locked, incompatible, or counterfeit.

✕ Don’t leave the truck parked in the same predictable spot while you wait—relocate to a secure area and add visible deterrents.

⚠️ Common Mistakes to Avoid

  • Not deactivating stolen key
  • Delaying reprogramming
  • Not filing police report
  • Ignoring security risk

Frequently Asked Questions

Can a stolen key fob start my 2024 Toyota Tundra?

Potentially, yes. If the stolen fob is still authorized to your truck, it may unlock the doors and allow the engine to start when the fob is inside the vehicle. The safest fix is to have the stolen fob erased from the vehicle’s authorized key list and program new keys.

Do I need to replace the whole ignition or door locks?

Usually not. Most theft situations are handled by removing the stolen Smart Key from the vehicle’s system and programming new fobs. Physical rekeying is less common on late-model Smart Key vehicles, but a dealer can advise if there’s evidence of forced entry or lock damage.

What if I have no spare key left?

If all keys are missing, you may need towing to a dealer or a locksmith who can perform an “all keys lost” procedure. Proof of ownership will be required, and the process typically costs more and can take longer than adding a spare.

Will erasing the stolen fob also disable the mechanical emergency key blade?

Erasing a Smart Key disables the electronic authorization for starting and smart entry functions. A cut mechanical blade could still unlock a door if it physically matches the lock, which is why secure parking and prompt service are important. Ask your service provider whether rekeying is recommended based on your situation.

How can I tell if my Tundra has Smart Key (push-button start)?

Most 2024 Tundra trims use push-button start with a Smart Key. If your truck starts with a button and the fob can unlock/lock without pressing buttons when nearby, it’s a Smart Key system.

⏱️ Urgency Note: High urgency: a stolen, still-authorized key fob can provide immediate access to your truck. Prioritize moving the vehicle to secure parking and scheduling key erasure/reprogramming as soon as possible.

Need Detailed Information?

Get vehicle-specific key fob compatibility, part numbers, and a complete price comparison for your 2024 Toyota Tundra.

View Tundra Key Fob Guide →

Last updated: 2026-01-04