Automotive locksmith question regarding Toyota d series transponder key programming
Hi there. I have a 2004 Toyota product.
I’ve been doing some electric diagnostics on an O2 sensor issue and it seems like it’s going to need a replacement ecu.
Toyota has an easy process to replace your ecu you put the new salvaged ecu in and you connect 2 obd pins together while the master key is in the ignition and let it sit with the key on for 30 minutes while the dash blinks like a Christmas tree.
But I lost my master a while ago. I read you can reprogram a new master with a VCI cable and Toyota TIS/ techstream which comes with the VCI cable. But I’ve also read that you need a NASTF code to do a forgot all keys function and program a new master? Now I’ve also heard this isn’t the case with older transponder keys like the d series key for this generation Toyota and I should be able to do a forget all keys function without a NASTF code myself?
The vci cable and new key blank would be ≈$60 I can get the key cut for free i used to work at a hardware store and cut keys myself i can go in and have a friend just route out the patern for me for free or maybe a few bucks tops. So if I can just use the techstream software to program a new master for $60 instead of paying a locksmith $150+ for their time and service that would be preferable as I’m already in about $1100 getting myself the tools to do the diagnostic work, havjng a new windshield out in, an exhaust leak fixed up new front tires and a front end alignment and doing the rear brakes rotors pads and e brake shoes myself as well. So I’d like to keep costs as low as possible considering a salvaged ecu is still going to cost another $70-100.