2005 Toyota Tacoma Keys won't Program - All Keys Lost

Have you tired through eeprom?

I haven't went that deep yet since nothing really led me that direction. May have to get my feet wet.

Normally that what I do. Read the file and save the keys info. Match it with what he customer has. The ones they dont have I just swap it out with a new key id. Starts right away or use xhorse super chips and copy one of the working keys

It could be a couple of things. I know that a passcode is required to complete the immobilizer reset procedure. that could be your problem. I have only successfully performed this with toyota techstream. I'm sure someone will chime in with the correct answer for this portion. Another problem could be with the ignition cylinder. With the drivers door open stick the key in the ignition and let…

I believe the door does ding but will recheck. Thanks for the passcode idea as well.

Good tip. The key in switch is necessary, and Toyota likes the driver’s door open for seed resets.

Are you waiting 75 seconds with the new key in the ignition with the key off? The Techstream has a countdown, but many of the aftermarket tools don’t. Watch the security light. When it goes out the programming is done.

All my tools say 5 seconds? I will try that.

For a normal programming with an existing key it will take about 75 seconds. For an all keys lost there’s a 16 minute lockout. Connect a power supply if it’s the latter since that’s a pretty long time for KOEO.

I had the same problem but with the im608 so exited the immo section went to diag and did the immo code reset , after the 16min wait all keys programmed fine

I will try this as well, thank you. I thought these older cars were suppose to be easier!! lol

Nah, newer is new, but usually easier. … Toyotas you’d need to replace the immobilizer ECU or pull the immobilizer ECU and flash the EEPROM. There’s always a delay until aftermarket solutions crack security, but thanks to NASTF, we have access to newer cars as well.

TC and CG are necessary after replacement an ECM with a used unit, but not necessary for a seed reset.

Hmm. That video is very different from my experience. I only use the Toyota Techstream and the AutoProPad. There has never been a requirement to register more than one key after a seed reset, but obviously there are different markets and different tools, so the procedure in the video may be valid for his situation. Also, I’ve never needed to erase all keys before a seed reset, since a seed reset…

Yes, he selected USA. I'd hate to pay for a Techstream subscription if it doesn't help but well worth it if it makes this easier. Can I get into the immobilizer with Techstream and a J2534? Alldata didn't really lead me towards Techstream either but might be worth checking out.

Techstream is one of the best values in OE scanners in my opinion. I think the package with the VCI and the software (and TIS) is $1500. The renewal after a year is about $1200, so the VCI isn’t very expensive. You’ll need a locksmith license ( for all keys lost only), which is a bit of a pain, but worth getting in my opinion. Tje aftermarket can’t handle all cars, and nothing is worse than a…

Make sure you have 2 master keys and 1 valet key

I will use my IM508 and 400XP to try and read keys tomorrow.

I was always under the impression that without a master key programmed only Toyota can program the keys. I have tried to add keys to Toyotas but was never successful without a master present even though I had access to a programmed valet key.

You're correct, mostly. Only a master key can be used to register new keys (without a reset). Dealers can do immobilizer resets, but so can independent repair shops and locksmiths. If you get a credential, you can perform immobilizer resets with the factory scan tool (Techstream). Check at NASFT for more information on how to qualify. However, there are many aftermarket solutions that completely…

As others have said, many tools bypass the Passcode seed reset and/or 16 minute wait and DO NOT require NAST membership for Toyota/Lexus models from around 2004 to around 2019 when you have an AKL (all keys lost) or no master key situation. If your tool will not bypass the passcode request, you can purchase passcodes from a site like this: pin-online​.​net/passcode Note; Earlier…

Make sure drivers door is open and vehicle is unlocked. Autel IM508 should be able to do the procedure.

This vehicle has the ability to perform what Toyota calls “Immobilizer Reset”….which is the ability to clear all key ID's and register a new key electronically without an ECU replacement or board level work. See TSB's T-SB-0043-14 Rev2 and T-SB-0057-18 Rev1 to familiarize yourself with the process. These TSB's are written for Toyota dealers and you may find an after market workaround that is not…

In this situation since all keys are lost you will have to perform QUICK RESET IMMOBILIZER before keys can be accepted.