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Discussion Starter · #1 ·
I had P0A80 error code and replaced hybrid battery. All works great. Error code from engine was cleared. However, it failed CA smog because the error was still there even though ODBII scanner shows no code. Apparently the code is showing up under A/T which I assume is the automatic transmission. I have driven over 100 ‘warm ups’ and over 2,500 miles and the code will not clear.
Again, the engine shows no code only A/T shows the error code. No new codes since battery was replaced.
3 different Smog testers have failed it and I have not found anyone with the same problem. Any help would be much appreciated. 🤪
 

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Dealers in your area should be familiar with this.
Sometimes you need to first have the code manually cleared with a "real" Toyota code reader and THEN drive it for a while.
If the testing stations are seeing something, the dealer should be able to see it too.
 
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