Honda Odyssey key replacement in Los Angeles

Honda Odyssey keys by year

What do you actually need when an Odyssey key goes missing?

The Odyssey is a family van, which means keys get dropped in parking lots, chewed by toddlers, left in the pockets of jackets that go to the cleaners, and run through the wash. It also means the van is rarely a car you can leave sitting for a week while you sort things out. So the first question is practical: do you still have one working key, or none?

The second question is which Odyssey you have. Over the years Honda has used four quite different key setups on this van: a plain chipped key, a remote-head key with an ID46 chip, a second remote-head key with a newer chip (plus a smart fob on top trims), and finally push-button start on every trim. What a replacement involves depends almost entirely on which of those you own, so this page walks through them in order.

One note on scope: the key data we work from for the second generation covers model years 2000 through 2004. If you have a 1999, we will confirm the exact key setup by VIN before we say anything more.

Everything below applies to Odysseys in Los Angeles and Ventura counties. We have a storefront at 10740 Wilshire Blvd in Westwood and mobile vans, so for most situations we come to the van rather than asking you to tow it.

What does a 2000–2004 Odyssey need?

The second-generation Odyssey (the RL1 platform) uses a Megamos 13 fixed chip in a key cut on the HD106 blank. It is a simple, mechanical-looking key with a chip hidden in the head. There is no remote built into it, and there is no push-button start.

Three things go wrong with these vans more than anything else. The first is worn ignition lock wafers on high-mileage vans: the key starts to stick, or it stops turning at all. The second is a worn key blade, where the chip still works but the cuts have rounded off enough that the key no longer turns the locks smoothly. The third is the hardware-store copy. Those are cut without a chip, so they open the doors but will not start the engine, and people often assume the van is broken when it is simply an unprogrammed key.

Programming for this era is done through the OBD port. Even when every key is lost, the job is usually doable that way. The honest caveat from our data is that the earliest immobilizer units can need bench or dealer work. We will tell you if your van turns out to be one of those, rather than finding out halfway through the job.

If the real problem is a sticking ignition rather than the key, replacing the key alone will not fix it, and we will say so after looking at the lock.

What about 2005–2010 Odysseys with ID46 remote-head keys?

The third generation (RL3/RL4) moved to remote-head keys: the blade and the lock/unlock remote are one piece. The chip inside is an ID46 (PCF7936/7941, Hitag 2), and the key family is the OUCG8D-380H-A group. A mechanical backup key exists for these vans, and programming is through the OBD port with all-keys-lost possible.

The wrinkle on this generation is the memory seat system. EX-L trims and up use Driver 1 and Driver 2 memory-linked keys, meaning the key is tied to a memory slot for seat and mirror positions. A replacement has to match the slot of the key it replaces. If you buy a key online without knowing which driver position yours is, you can end up with a key that starts the van but does not match what your household expects. We sort that out up front by asking which trim you have.

Common wear items on these keys are cracked remote-head shells, worn buttons, and dead remote batteries. A key that starts the van but no longer locks and unlocks the doors is often just a battery or a shell, which is the lighter-cost fix, and we will check that before suggesting a whole new key.

As with the older vans, a copy without a chip will not start the car, even if it turns the ignition and looks identical.

What changed on the 2011–2017 Odyssey?

The fourth generation (RL5) is the one that trips people up, because the chip changed in the middle of the run and a smart fob sits at the top of the lineup.

For 2011 through 2013, the bladed remote-head key (MLBHLIK-1T) carries an ID46 chip, in the PCF7936/7961 variant. From 2014, the bladed trims moved to the Honda G chip, which is an ID47 (Hitag 3), with the MLBHLIK6-1T key. A key that looks nearly the same on the outside is not interchangeable across that line, so the model year matters, and we check it against the VIN rather than guess from the look of the key.

The Touring and Elite trims are different again. They use the KR5V1X smart fob (ID47) with push-button start. Our table of years describes these as remote-head because it reflects the keyed trims, so if you own a 2014–2017 Touring or Elite, read the next section as well. Your van behaves more like the newer ones.

Programming on all of these goes through the OBD port, and all-keys-lost is possible. Problems we see listed for this generation include cracked shells, worn buttons, remote battery failure, and chipless hardware-store copies. On the smart-fob trims, a dead fob battery shows up as a 'key not detected' message on the dash.

What does a 2018–2026 Odyssey use?

The fifth generation (RL6) has push-button start on every trim. From 2018 through 2020 the fob is the KR5V2X, with driver-memory variants on upper trims. After the 2021 facelift the fob is the KR5T4X family (OEM 72147-THR-xx). Catalogs list the whole run as ID47/Hitag 3, and the Odyssey has not moved to the newer 4A platform.

A fob like this still hides an emergency blade, so a dead battery does not mean you are locked out. The blade opens the door even when the car says 'key not detected.' Many owners do not know the blade exists, so it is worth finding it before you need it.

A few honest limits. For 2021 through 2024, US vendor fitments for the KR5T4X fob agree with the catalog, but the chip listing itself is thinly sourced. Before we quote an all-keys-lost job on one of those, we confirm the fob part number and whether our tool coverage reaches your van.

For 2025 and 2026, we have not verified the newest model years individually. Catalogs carry the ID47 smart-key listing through 2026, but whether all-keys-lost is possible and what the programming requirements are is something we confirm by VIN and current tool coverage before quoting. If you drive one of those, call and have the VIN ready. We would rather tell you what we don't yet know than promise a result we cannot be sure of.

Spare key or all keys lost: how does the job differ?

Across every year in our data, a duplicate requires an original key to work from, and an all-keys-lost job is possible for 2000 through 2024 models. For 2025 and 2026 that second point is unconfirmed, as above.

A duplicate, meaning you still have one working key, is the easier situation. We cut or supply the new key, program it to the van alongside your existing one, and test the remote functions. That is also the lighter-cost route, and it is the best argument for not waiting. If you are down to one key, make the spare now.

All keys lost means there is nothing to copy from. We have to get the van to accept a new key from scratch through the OBD port, which takes more steps and more equipment, and on the earliest 2000-era vans may need bench or dealer work. It is still routinely done, and it is not a reason to have the van towed anywhere before you call.

One more situation worth separating out: a key that works but is worn. If a key turns the locks poorly but still starts the van, it is a candidate for a fresh copy before it fails entirely. Do not wait for a stuck key in the ignition.

How do we handle an Odyssey key job, step by step?

Each job follows the same basic order, whatever year the van is.

1. You call (213) 577-1366 and tell us the model year, trim if you know it, and how many working keys you still have. Having the VIN on hand helps, especially for 2014 and later, and is essential for 2025–2026.
2. We confirm the key type and chip for that year and trim, including whether it is a Driver 1 / Driver 2 memory key or a smart fob, and tell you plainly if anything about your van is unverified.
3. We come to the van with a mobile unit, or you come to our Westwood storefront if that is easier. Either way, you are dealing with one company, not a dispatcher passing the job along.
4. We cut the blade where there is one, prepare the key or fob, and program it through the OBD port. For all-keys-lost, we start the van from scratch rather than from an existing key.
5. We test everything: starting, locking and unlocking, the memory slot on upper trims, and the emergency blade on fobs. Any old keys you want removed from the van's memory, such as a lost one, we can discuss at that point.

What affects the cost of an Odyssey key?

We are not going to quote a figure on a web page, because the honest answer depends on specifics. Here is what moves the cost, from the most to the least significant:

• Key type. A plain chipped key from the early 2000s costs less to supply than a remote-head key, and a push-button fob costs more than either. Our data notes lost-fob replacement is costlier than older bladed keys.
• Duplicate versus all keys lost. Having a working key to start from is the more economical route.
• Trim and memory settings. Driver 1 / Driver 2 keys on EX-L and up, and driver-memory fobs on upper trims of the fifth generation, have to match the right slot.
• The model year and chip. The 2011–2013 and 2014-and-later bladed keys use different chips, and the post-facelift fob needs its part number confirmed.
• Whether blade cutting is needed. A fob that only needs programming involves less work than one that needs a cut emergency blade as well.
• Where and when. A mobile visit to the van, after hours, adds more than a stop at the storefront during the day.

What are the common Odyssey key problems?

The problems in our data break down by era, and they are quite different from one another.

• 2000–2004: worn ignition lock wafers, worn key blades, and hardware-store copies without a chip that open the doors but will not start the engine.
• 2005–2010: worn wafers on high-mileage vans, cracked remote-head shells and worn buttons, remote battery failure, and chipless copies.
• 2011–2017: cracked shells, worn buttons, remote battery failure, and chipless copies; on the push-button trims, a dead fob battery with 'key not detected' on the dash.
• 2018–2026: a dead fob battery while the hidden emergency blade still opens the door, water-damaged or crushed fobs, and the higher cost of a lost-fob replacement.

Locksmith or dealer: when should you call us?

For most Odysseys the answer is us, because the work is OBD programming that does not require the van to be towed anywhere. We have been in business since 1987, and David, the owner and lead technician, oversees how the work is done. We serve 140 cities across Los Angeles and Ventura counties, and the phone at (213) 577-1366 is answered around the clock, every day of the year.

There are cases where the dealer may be the better route, and we will say so. The earliest 2000-era immobilizer units can need bench or dealer work. For a 2025 or 2026 Odyssey, if our tool coverage does not reach your van after we check the VIN, we will tell you that rather than start a job we cannot finish. In those cases a dealer visit is a reasonable path.

Whoever you hire, ask for their California BSIS LCO locksmith company license number. California requires locksmith companies to hold one, and any legitimate company will give it to you without hesitation.

If you want to read more first, start with our car keys overview or the Honda key page. If you would rather talk it through, use the contact page or call. You can also return to the Wilshire Lock & Key home page for the rest of what we do.

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