2024 Toyota Tundra Key Fob Guide (US): Types, Batteries, Programming & Costs

The 2024 Toyota Tundra (US market) typically uses a smart key system with push-button start and proximity entry, and some trims may also support a Digital Key via a compatible phone. Replacement fobs are security components, so programming generally requires proof of ownership and specialized equipment. Costs vary widely depending on whether you buy OEM vs aftermarket and whether all keys are lost. Consumers generally find that verifying FCC ID, frequency, and emergency key style before buying prevents most return and programming problems.

3 Key Types
$250-$700 Dealer Range
$60-$250 Aftermarket Range

Compatible Key Fob Types

The following key types are typically compatible with the 2024 Toyota Tundra. Compatibility varies by trim and options.

OEM Smart Key Fob (Proximity / Push-Button Start)

A proximity “smart” remote that allows keyless entry and push-button start when the fob is near the vehicle. It also contains (or is paired with) a mechanical emergency key blade used to unlock the door if the fob battery is dead.

Features

  • Proximity unlock/lock (touch sensors on door handles, when equipped)
  • Push-button start authorization
  • Alarm/panic function (varies by fob configuration)

Buttons

unlocklockpanictailgateremote start (if equipped)

Battery

CR2032

3-6 years (battery often 1-3 years depending on use) typical lifespan

Dealer OEM $250-$600 (parts + programming; higher if all keys are lost) Programming included
Aftermarket $60-$220 (fob only; programming typically extra) Programming separate

Programming

🏢 Dealer Required

Programming typically requires a security-credentialed scan tool and an immobilizer/smart key registration procedure. If all keys are lost, the vehicle may require additional security steps (and sometimes more labor time) to add a new smart key. Proof of ownership is typically required. Some aftermarket fobs may not support every feature (e.g., remote start or tailgate) even if they program successfully.

⚠️ Common Issues

  • Aftermarket fob programs but proximity range is weak or inconsistent
  • Wrong internal board/FCC ID variant causes programming failure or missing buttons/features
  • Emergency key blade style (or key insert) doesn’t match the Tundra’s lock cylinder

OEM Smart Key Card / Slim Smart Key (if equipped/available)

A thin, card-style or slim-profile smart key offered on some Toyota models/trim packages. When supported, it functions like a proximity smart key but with a different form factor and sometimes reduced button set.

Features

  • Proximity access and start (vehicle-dependent)
  • Compact carry option
  • May be used as a backup to the primary fob

Buttons

unlocklockpanic

Battery

CR2032

3-6 years (battery often 1-3 years depending on use) typical lifespan

Dealer OEM $250-$650 (parts + programming; varies by availability) Programming included
Aftermarket $80-$250 (if offered; availability varies) Programming separate

Programming

🏢 Dealer Required

Not all Tundra trims/support packages accept a card/smart slim key. Consumers generally find it’s best to confirm compatibility by VIN and the original key type before purchasing. Programming requirements are similar to a standard smart fob and typically cannot be done with simple DIY methods.

⚠️ Common Issues

  • Assuming a key card is supported when the vehicle is not equipped for it
  • Reduced button set compared with the original fob
  • Aftermarket versions may have inconsistent proximity performance

Toyota Digital Key (Phone-as-a-Key) (if equipped/subscribed)

A smartphone-based key feature that can allow locking/unlocking and starting, depending on vehicle equipment, region, and active services/subscription status. It is typically managed through Toyota’s app ecosystem and can be shared with other users with permissions.

Features

  • Phone-based lock/unlock (vehicle/service dependent)
  • Phone-based start authorization (vehicle/service dependent)
  • Share/revoke access for other drivers (feature dependent)

Buttons

unlocklock

Battery

N/A

Depends on phone lifecycle and service availability typical lifespan

Dealer OEM $0-$200 (setup help varies; service/subscription costs may apply) Programming included
Aftermarket $0 Programming separate

Programming

🏢 Dealer Required

Digital Key availability depends on trim, head unit, and Toyota Connected Services status. Setup typically requires an active Toyota account, supported phone, and the vehicle being enrolled/eligible. Digital Key is usually not a complete replacement for a physical key in all situations (e.g., dead phone, service outage, valet/lockout scenarios).

⚠️ Common Issues

  • Feature not available on the specific trim or not enabled for the vehicle
  • Phone compatibility or OS/app version problems
  • Connectivity or subscription status prevents reliable operation

Cost Comparison: Your Options

🏢

Dealership

$250-$700
  • ✓ OEM quality guaranteed
  • ✓ Programming included
  • ✓ Warranty coverage
  • ✗ Higher cost
  • ✗ May require appointment

Best for: Warranty coverage, guaranteed compatibility

🔧

Locksmith

$180-$500
  • ✓ Often same-day service
  • ✓ Mobile options available
  • ✓ Programming included
  • ✓ Often OEM parts
  • △ Verify credentials

Best for: Speed, convenience, moderate savings

📦

Aftermarket Online

$60-$250
  • ✓ Lowest cost option
  • ✓ Wide selection
  • ✗ Programming not included
  • ✗ Compatibility varies
  • △ Check return policy

Best for: DIY-capable owners, budget-conscious

Ranges typically reflect one working key being added when at least one key is already available; all-keys-lost situations often cost more due to additional security steps and labor. OEM parts generally cost more but tend to have the best compatibility and range. Aftermarket costs often exclude programming, emergency key cutting, and may not support every button/feature.

🛒 Buyer's Checklist

Before purchasing a replacement key fob for your 2024 Toyota Tundra, verify these points:

1 Match the replacement to the original key type (smart fob vs any slim/card variant) and confirm it’s intended for a 2024 Tundra (US).
2 Verify FCC ID/IC (when available), button layout (including tailgate/remote start), and frequency/region (US vs non-US) before purchase.
3 Confirm the emergency key blade/insert style and whether you need it cut; ask what proof of ownership is required for cutting/programming.
4 Prefer OEM or reputable sellers with clear return policies; avoid listings that won’t disclose identifiers or compatibility details.
5 Budget for programming and cutting separately—many “cheap” fobs are sold without programming, emergency key insert, or support for all features.

⚠️ Common Mistakes to Avoid

✗

Buying a look-alike fob with the wrong FCC ID/board variant and discovering it won’t program or lacks certain functions.

✗

Assuming DIY pairing will work on a modern smart-key Toyota; most require professional tools and security procedures.

✗

Skipping the emergency key insert/blade (or getting the wrong one), then being unable to unlock the door when the fob battery dies.

Related Model Years

Key fob compatibility often spans multiple model years. These years typically share similar key systems:

2022 2023 2024

Frequently Asked Questions

Does the 2024 Toyota Tundra use a smart key or a traditional transponder key?

Most 2024 Tundra trims in the US commonly use a smart key with push-button start and proximity entry. A mechanical emergency key is typically included/paired for door unlocking if the fob battery is dead. Exact equipment can vary by trim/package, so confirming by VIN and original key style is recommended.

Can I program a 2024 Tundra key fob myself?

For modern Toyota smart keys, consumers generally find DIY “on/off door cycle” methods do not work. Programming typically requires a scan tool with immobilizer/smart key registration capability and security authorization, so options typically include a Toyota dealer or an automotive locksmith with the proper credentials and equipment.

What battery does a 2024 Toyota Tundra smart key fob use?

Many Toyota smart fobs for this generation commonly use a CR2032 coin-cell battery. Because Toyota may use different fob variants, checking the battery type printed inside the fob (or in the owner’s documentation) before buying replacements is the safest approach.

Need Help With a Specific Situation?

🚨 Lost All Keys What to do when you've lost your only key ➕ Get a Spare Add a backup key before emergencies 🔋 Dead Battery Replace your key fob battery ⚖️ Compare Options Full comparison of all options

Related Toyota Models

2024 Toyota Sequoia 2024 Toyota Tacoma

Need a Detailed Compatibility Report?

Get a comprehensive PDF report with exact part numbers, FCC IDs, and verified compatibility for your 2024 Toyota Tundra.

Get Compatibility Report - $9

Instant PDF download • Money-back guarantee

Last updated: 2026-01-04