2004 Ford F-150 Key Replacement

2004 Ford F-150: key facts

Key type: Transponder chip key
Push-to-start: No
Transponder chip: Varies by trim — we confirm by VIN
Programming: OBD
All keys lost: We can originate new keys on site

Split year: new-body 2004 trucks use the 4D63 chip, while the carry-over 'Heritage' keeps the old 4C/H72-PT system — we confirm which truck it is before cutting.

What kind of key does a 2004 F-150 use?

The 2004 F-150 is a transponder-key truck. It is not push-to-start. You have a metal-bladed key with a chip in the head, and the truck's PATS anti-theft system has to read that chip before the engine will keep running. A blade that only turns the ignition is not enough.

2004 is a split year, and that matters for your key. New-body 2004 trucks use the 4D63 chip. The carry-over 'Heritage' truck keeps the older 4C/H72-PT system. From across a parking lot they look alike, so we work out which one you drive before anything gets cut or programmed.

The truck also has a mechanical backup key blade, so the physical cut matters as much as the chip. Owners of this year tend to run into the same few problems:

Worn ignition lock wafers on high-mileage trucks, so the key sticks or will not turn.
Worn 8-cut key blades that stop turning the locks.
The PATS theft light flashing: the engine cranks but will not start because the chip is not being read.
Hardware-store copies cut without a transponder, which open the doors but will not start the engine.

Duplicate key or all keys lost: what changes?

If you still have a working key, copying it is the simpler job. For this truck the original key is needed to make a duplicate, so bring it to us or to a van before it goes missing. We cut the blade and program the new chip so the truck recognizes it.

If every key is gone, that is still workable on this setup. All-keys-lost is possible on the 2004 F-150. It takes more steps, because the key has to be cut from the lock rather than copied, and the new key then has to be taught to the truck.

Programming on this year is done through the OBD port. The data for this truck does not call for NASTF SDRM access, so this is not a dealer-only job. Because of the chip split, though, we identify the truck first. A key programmed for the wrong system will not start it.

What affects the cost of a 2004 F-150 key?

We do not quote numbers in a web page, because the real figure depends on your truck and situation. Here is what moves it:

Whether you have a working key to copy or all keys are lost.
Which chip system your truck uses, 4D63 or the older 4C, since that decides the key blank and the programming.
The condition of the ignition and the blade. Worn wafers or a worn 8-cut blade may mean fixing or rekeying the ignition cylinder in addition to making a key.
How many keys you want made in one visit.
Whether we come to you with a mobile van or you bring the truck to the Westwood storefront. The mobile option is often the more economical route when the truck will not start at all.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

What we have not verified, and how we handle it

The chip family for this year is not cleanly verified. The sources we checked, clksupplies.com and uhs-hardware.com, do not settle it on their own, and the split between new-body trucks and the Heritage carry-over is the reason. Rather than guess, we confirm by VIN and in person.

Here is how a typical call goes:

You call (213) 577-1366 and tell us what is happening: lost key, broken key, sticking ignition, or a flashing theft light.
We ask for the VIN and a few details about the truck, and confirm whether it is new-body or Heritage.
We check the truck in person and confirm the key system before cutting.
We cut the blade to fit your lock, working from your key if you have one or from the lock if you do not.
We program the key through the OBD port and test that it opens the doors and starts the engine.

Why call Wilshire Lock & Key

We have been in business since 1987, with a storefront at 10740 Wilshire Blvd in Westwood and mobile vans serving 140 cities across Los Angeles and Ventura counties. When you call, you reach our own company, not a dispatch middleman, and the phone is answered 24 hours a day, every day. David, the owner and lead technician, oversees the work.

California requires locksmith companies to hold a BSIS LCO license, and you should ask any locksmith for it before they start. For more on your truck, see our Ford F-150 key page, the wider Ford key service section, or all car key services. To describe your situation, use our contact page.

Frequently asked questions

Does a 2004 F-150 have a transponder chip?

Yes. It is a transponder-key truck, not push-to-start. The chip is read by the PATS system, and the truck will not stay running without it.

Which chip does my 2004 F-150 use?

It depends on the truck. New-body 2004 trucks use the 4D63 chip, and the carry-over Heritage keeps the older 4C/H72-PT system. We confirm by VIN and in person before cutting.

Can you make a key if I lost all my keys?

Yes, all-keys-lost is possible on this truck. It takes more work than copying a key, because the blade is cut from the lock and the new key is then programmed to the truck.

Do I need my original key to get a copy?

For a duplicate, yes, the original key is needed. If you have no key, we handle it as an all-keys-lost job instead.

Why does my copy open the doors but not start the truck?

That is usually a hardware-store copy cut without a transponder chip. The blade fits, but the truck never reads a chip, so the engine will not start. A properly programmed key fixes it.

The theft light is flashing and the engine cranks but will not start. Is that the key?

It can be. A flashing PATS light with a cranking engine often means the chip is not being read. We check the key and the system on site to find out which part is at fault.

Is programming a dealer-only job on this truck?

No. Programming on this year is done through the OBD port and does not require NASTF SDRM access, so we can do it ourselves.

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Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.

Last updated 2026-10-11.