Copying Toyota 4c keys - ADVICE PLEASE

[electronicar]

Hi Guys

Pls help me understand this ...

I have AD900 & T300.
I need to copy a 4C key . I read the key with AD900 & it shows ... 7E37DD64E00000000048157E0000 , ID4C , EEP: ECBB2607 & it says i should write to a TEXAS transponder.
1) So exactly what transponder must i order for this to work? What must i tell the supplier , do i ask for blank or do i ask for a precoded or do i have to ask for toyota ID4c precoded or what ? When u ask for a precoded transponder , do u have to say for what car & what ID it is ?
Sorry if this seems stupid , but i just need to know what transponders do i ask for for T300 & for AD900 , thx guys

[KLS]

Hi
Dont your ad900 show the type of transponders to clone to 4c =tpx1

[electronicar]

Thx KLS

My software is a little older but it does show that i must use TEXAS EMU/TXP , so do i just ask for TEXAS EMU or TXP ? No part no. etc will Chinese supplier know exact chip to send ? What about local agents , if i buy key with transponder from them will it work with AD900 & T300?

[electronicar]

@ KLS - here's a classic example ...
I read a Opel key , it says GM ID33 Philips , & that i should use PCF7930/31/35 . I imported a few PCF 7935 chips but it refuses to copy onto them . If i use the same key i am reading , just for testing then the AD900 says COPY SUCCESSFUL , so obviously my machines ok but the chips i have don't work here ? For the above example , what EXACTLY should i ask for when ordering?
Also if i bought a blank from Opel , would the AD900 copy then? Thx for your help bro , maybe i should spend a few days on a basic training course with u ( at a price of course)

[key point]

pcf 7935 is not for id33 you need pcf 7931.

[KLS]

Hi
maybe this can help a little (Advanced Keys) try transponder cross ref

[electronicar]

pcf 7935 is not for id33 you need pcf 7931.

Thx for the replies , how would i know this , i have read the ad900 manual all thru , it does not say this .
So do i ask for a PCF7931 precoded or just PCF7931 ? If i ordered a few would i be able to use it on other cars with ID33 or only the OPEL ?

[key point]

the manual for genuine machines explains everything and has done for a couple of years. it tells you what chip is used to generate, to copy and to eeprom. speak to your supplier and download their link.

[key point]

Also, dont confuse the terms generating and copying chips.

[lockbreaker]

You're not gonna find TPX chips in China....not yet anyhow.

[tdor49]

Thx for the replies , how would i know this , i have read the ad900 manual all thru , it does not say this .
So do i ask for a PCF7931 precoded or just PCF7931 ? If i ordered a few would i be able to use it on other cars with ID33 or only the OPEL ?

this is the trouble with ad900, it's good for reading chips and some special things like preparing id40 chips and unlocking id48, but when generating keys it always says to use 'precoded' chips

trying to get hold of 'precoded' chips is not easy

i'm thinking of buying china zedbull just to be able to generate some of the precoded chips

[lockbreaker]

Toy 4c is too easy to find ANYWHERE.

Precoded chips are not at all hard to find for 99 percent of what you run into. AND cheaper tham buying clone chips with housings for OBD programming.

What am I missing here, dude?

[tdor49]

Toy 4c is too easy to find ANYWHERE.

Precoded chips are not at all hard to find for 99 percent of what you run into. AND cheaper tham buying clone chips with housings for OBD programming.

What am I missing here, dude?

would appreciate if you could tell me where these 'precoded' chips are readily for sale because i haven't found anywhere that sells them dude

last month i needed a precoded chip for volvo v40 / rover 75 / fiat ducato / and i couldn't find them anywhere !!!!!

are you trying to copy a 4c chip for toyota because it's easier just to add another 4c chip to ecu

[lockbreaker]

The thread title indicated 4c Toyota....and that was what I was referring to as being too easy to find. And you're right, I would add a key to the system before cloning any day on those.
Now as for the other cars mentioned, yup, good luck on those.
Everyone on this site is gonna talk apples to oranges anyway...everyone is on different continents, as when my reference is 99% of what I run into, it will be the absolute opposite for others.

[electronicar]

Thx guys , i am learning fast . Please explain a simple thing to me ...
If i read a PCF7935 chip & it says GM ID40 for example , does this mean its a precoded chip for GM or what?