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post #21 of 67 (permalink) Old 12-04-2007, 07:02 AM
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isnt it a myth that you have to replace the entire ECU when you lose
all the keys? i thought toyota issued a service bulletin on how to
reprogram the ECU with new key entries making a physical replacement
not needed

http://priuschat.com/forums/showthread. ... ys+replace
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post #22 of 67 (permalink) Old 03-28-2008, 11:32 PM
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Default Re: Prius key replacement

Well folks, this is NOT a myth, it works great

Finally! How to program a non-SKS key/fob. Detailed!
Ok folks THIS is really how you do this, and yes it really does work. I bought three old keys on ebay anywhere from $23.52 to $50 even. Make sure you have on your original key and have looked on the back for a black toyota logo. This WILL NOT work for the smart keys with the SILVER toyota logo. To get started go to ebay and find an auction for a black logo key. Bid and win and when it gets there, follow these instructions carefully.

The Fob (for operating the car)
This isn't hard, as long as your new fob is not broken and you are able to follow simple directions. The whole process will take less than two minutes.

1. Insert old fob into slot and remove it 4 times in a row, and insert it a fifth time but leave it in there!
2. Open and close driver door 6 times.
3. Remove old fob from slot. Car is in fob programming mode at this point.
4. Insert new fob and leave in the slot for a full minute. Watch the blinking red anti-theft light on the dashboard. When it stops flashing and goes dark, your new fob is all set.
5. Remove the new fob and you're done. You should test both fobs to be sure they work properly.


Now for the door lock functions.


The Fob (for remotely unlocking/locking the doors)
1. Open the driver door with no fob in slot and the driver door unlocked and opened. Other doors can be locked or unlocked, it doesn't matter.
2. Insert old fob into slot and remove it twice within 5 seconds.
3. Close and open driver door twice.
4. Insert and remove old fob once.
5. Close and open driver door twice again.
6. Insert old fob in slot and close door.
7. Without pressing the brake, press power button, wait a second, press it again, wait a second, press it a third time to turn car back off.
8. Remove old fob from slot. You'll be in "add mode" at this point.
9. Car should lock and unlock doors TWICE to verify it is in add mode.
10. Press both buttons on new fob simultaneously for a second and a half!.
11 Within 3 seconds, press only the lock symbol button. yes it does matter which!
12. Car should respond with one quick lock/unlock to verify that the new fob is all set. If the car responds with two lock/unlocks, that means it didn't work. I don't know how to troubleshoot that problem. Maybe just try again.
13. To end this programming, open a door or put fob in the slot.
14. Enjoy the savings from NOT buying a fob from the dealership!!!!!
15. If you want metal keys, DO not buy them from ebay, they quoted me $7.92 CUT by them from dealer.
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post #23 of 67 (permalink) Old 07-19-2008, 11:45 AM
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Default Re: Prius key replacement

its a myth

if you lose ALL YOUR KEYS, tow the vehicle to your local toyota dealer, or a friend with the scan tool (preferred, heh)
you will need your license and a copy of the registration (so they say, heh) and they obtain the six digit password
from the vin number, enter it into the scantool, and the scantool erases all the master keys, and allows the
dealer to enter in new keys.

make sure they connect the 12v battery to a charger/tender during the reflashing sequence.
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post #24 of 67 (permalink) Old 05-12-2009, 12:53 AM
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Default Re: Prius key replacement

I see the repair for BLACK Smart key below--
But what about my SILVER Smart key--I have only one and want another--what will work to re-program??


[quote="05 solar prius"]Well folks, this is NOT a myth, it works great

Finally! How to program a non-SKS key/fob. Detailed!
Ok folks THIS is really how you do this, and yes it really does work. I bought three old keys on ebay anywhere from $23.52 to $50 even. Make sure you have on your original key and have looked on the back for a black toyota logo. This WILL NOT work for the smart keys with the SILVER toyota logo.
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post #25 of 67 (permalink) Old 05-12-2009, 01:06 AM
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Default Re: Key reprogramming

See below. Can we mix Black & Silver Fobs, or must they match--I have one Silver and need another fob...cheaper if Black...2005 model


Quote:
Originally Posted by DanMan32
They should go to page 05-2266. Apparently for non-SKS fobs, one could do the registration themselves. Pretty complex.

1. driver door open, no key in slot, door unlocked.
2. put valid key in and out of slot twice within 5 seconds.
3. close and open driver door twice.
4. insert and remove key in slot.
5. close and open driver door twice.
6 insert master key in slot and close door.
7. press power on then press power off in one second interval. This is add mode
8. remove key from slot
9. car should lock and unlock door once for add mode.
10. press both buttons on transmitter.
11 within 3 seconds, press one button.
12. car should respond with one lock-unlock. two means it didn't work.
13. open a door or put key in slot.
End.
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post #26 of 67 (permalink) Old 08-18-2009, 06:24 PM
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Default Re: Prius key replacement

Can I reprogram TWO fobs that start the car, but won't lock or unlock it? They stopped working, I replaced the fob batteries, then took it to my mechanic, who replaced the 12V battery, and now they are telling me I have to take it to the dealer to get the fobs programmed. Would really rather not.

Peace
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post #27 of 67 (permalink) Old 07-20-2010, 10:36 PM
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Default Re: Prius key replacement

I just did the following and it worked perfectly! Both the starting the car part, and the door lock/unlock and panic buttongs! Great instructions from the above person. THANK YOU!
===============================
Well folks, this is NOT a myth, it works great

Finally! How to program a non-SKS key/fob. Detailed!
Ok folks THIS is really how you do this, and yes it really does work. I bought three old keys on ebay anywhere from $23.52 to $50 even. Make sure you have on your original key and have looked on the back for a black toyota logo. This WILL NOT work for the smart keys with the SILVER toyota logo. To get started go to ebay and find an auction for a black logo key. Bid and win and when it gets there, follow these instructions carefully.

The Fob (for operating the car)
This isn't hard, as long as your new fob is not broken and you are able to follow simple directions. The whole process will take less than two minutes.

1. Insert old fob into slot and remove it 4 times in a row, and insert it a fifth time but leave it in there!
2. Open and close driver door 6 times.
3. Remove old fob from slot. Car is in fob programming mode at this point.
4. Insert new fob and leave in the slot for a full minute. Watch the blinking red anti-theft light on the dashboard. When it stops flashing and goes dark, your new fob is all set.
5. Remove the new fob and you're done. You should test both fobs to be sure they work properly.

Now for the door lock functions.

The Fob (for remotely unlocking/locking the doors)
1. Open the driver door with no fob in slot and the driver door unlocked and opened. Other doors can be locked or unlocked, it doesn't matter.
2. Insert old fob into slot and remove it twice within 5 seconds.
3. Close and open driver door twice.
4. Insert and remove old fob once.
5. Close and open driver door twice again.
6. Insert old fob in slot and close door.
7. Without pressing the brake, press power button, wait a second, press it again, wait a second, press it a third time to turn car back off.
8. Remove old fob from slot. You'll be in "add mode" at this point.
9. Car should lock and unlock doors TWICE to verify it is in add mode.
10. Press both buttons on new fob simultaneously for a second and a half!.
11 Within 3 seconds, press only the lock symbol button. yes it does matter which!
12. Car should respond with one quick lock/unlock to verify that the new fob is all set. If the car responds with two lock/unlocks, that means it didn't work. I don't know how to troubleshoot that problem. Maybe just try again.
13. To end this programming, open a door or put fob in the slot.
14. Enjoy the savings from NOT buying a fob from the dealership!!!!!
15. If you want metal keys, DO not buy them from ebay, they quoted me $7.92 CUT by them from dealer.
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post #28 of 67 (permalink) Old 09-14-2010, 11:43 AM
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Default Re: Prius key replacement

Newbie Prius owner here. 2006 w/ trim package that includes a backup camera, which I need to go look up somewhere to find out what I got.

But the issue: somebody used this term: SE&SS/SKS. SKS I get, Smart Key System. But the other two, could somebody please define them?

Thanks.

Don.

New User, Seasoned Admirer
2005 bought @ 91K miles, Silver
Some Trim Package that Includes
Backup Camera & SKS. Audio has
AUX.
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post #29 of 67 (permalink) Old 09-16-2010, 12:35 PM
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Default Re: Prius key replacement

Hi, Don (WestofLongBeach),

In the early days of the 2nd generation Prius (I think only in 2004 & 2005 in the sales brochures) they referred to the Smart Key System (SKS) as Smart Entry (SE) & Smart Start (SS). I think starting in 2006 (through now) they just simplified it to the SKS which you recognize.

As far as looking up the option pkg level (number or 2-letter code) that you have, you can just go to a Toyota dealer & have them run a "build sheet" for your VIN number (they should be able to still do it even for a 4 year old car). That will tell you which plant your car was built in, which ship it came over on, which port it entered, which option pkg it was equipped with at the factory (but not likely any port-installed accessories/options that were put in when it hit the U.S. shores), your key code [for re-cutting a new (hidden-in-the-fob) metal key], as well as a number of other interesting things about your car. It's a nice thing to have & put away for safe keeping for future reference.

If you're not interested in having that, or your dealer is too far away (even though he could mail it to you), or he says he can't do it for you, there is an alternative way that you can figure your option pkg level for yourself (if you don't have a 2006 sales brochure available). Just click on this link I'm going to give you.

http://priuschat.com/forums/knowledge-b ... tries.html

Scroll SLOWLY down & after the color codes you will see a "USA" heading followed by each of the model years & their 2-letter option codes. On this list, starting in 2007 the letter codes were number-identified too because of the confusion by the addition of the touring model (model 1226---the base, option-less model was a 1220 & the standard model with the options was a model 1224). In your 2006 (& earlier) model years, the option pkg letter codes should be listed in numerical order, so if you have a code HG, it will be a Pkg #4 or if your code is NW, it will be a Pkg #8. [I did catch an error in my 2005 model year where my AM (Pkg #4) should be in 4th place followed by AI for #5 which means BI moves to the #3 position (ascending Price should also be an indicator of the ascending option pkg number)---the pkg code letters & their corresponding numerical positions for 2005 will then be correct.] The reason I said scroll SLOWLY at the start of this paragraph is because the USA models are listed 1st. If you go too fast, you'll go past the 2009 USA model & get into Canada, or United Kingdom, or Australia (& other countries) models which can be described & equipped way differently from our cars. I hope I have been of some help to you.

Ken (in Bolton,Ct) 2005 Pkg #4 (AM)
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post #30 of 67 (permalink) Old 09-17-2010, 01:08 AM
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Default Re: Prius key replacement

Ct. Ken V,

You certainly HAVE been of help. Thanks very much.

From the web page you cited me to, it looks like we have either HF (likely, 'cause the only difference between HF and the one above it is VSC, and I think that would show somehow in the cockpit) or HG.

Good to know. And I will save the web page, of course.

Thanks again.

Don.

New User, Seasoned Admirer
2005 bought @ 91K miles, Silver
Some Trim Package that Includes
Backup Camera & SKS. Audio has
AUX.
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