Do you know for sure that is the code? Do you have your own scanner. Here is a blog post details from Luscious Garage Gen 2 Prius (2004-2009) Transmission Failure, P0AA6, P0A92, P0A7A - Luscious Garage | Hybrid Specialists
Welcome to PriusChat!! You may need a hybrid compatible OBD2 scanner to pull the secondary codes (INF) for the above DTC P0A92, it will help localize the issue. Here are the workups for DTC P0a92 and INF subcodes (261/521/606) : https://share.qclt.com/%E4%B8%B0%E7%94%B0%E6%99%AE%E7%91%9E%E6%96%AF%E5%8E%9F%E5%8E%82%E8%8B%B1%E6%96%87%E6%89%8B%E5%86%8Cpdf%E6%A0%BC%E5%BC%8F/repair%20manual/04pruisr/05/21bpm/0a92261.pdf https://share.qclt.com/%E4%B8%B0%E7%94%B0%E6%99%AE%E7%91%9E%E6%96%AF%E5%8E%9F%E5%8E%82%E8%8B%B1%E6%96%87%E6%89%8B%E5%86%8Cpdf%E6%A0%BC%E5%BC%8F/repair%20manual/04pruisr/05/21bpm/0a92521.pdf https://share.qclt.com/%E4%B8%B0%E7%94%B0%E6%99%AE%E7%91%9E%E6%96%AF%E5%8E%9F%E5%8E%82%E8%8B%B1%E6%96%87%E6%89%8B%E5%86%8Cpdf%E6%A0%BC%E5%BC%8F/repair%20manual/04pruisr/05/21bpm/0a92606.pdf
Many choose the 'mini-vci' cable with techstream, costs around $20 online. What type of symptoms are you experiencing ?
1. Whining/growling noise when engine starts 2. Car refuses to GO i got just Error P0A92 no nothing but i can't drive the car
Could likely be the transaxle Here is another (old) thread here on Priuschat. Major Failures--2005 Prius | PriusChat