I just got back and the PCM was replaced for free under the 8-year warranty! If I hadn't found this forum & post, I probably would have paid a sack of money to my regular mechanic. Thanks, Generation Vibe!

Do you have the premium sound package? What components did you install with your stereo?

I'm taking my Vibe in for service on this tomorrow. I wasn't able to find the service bulletin with the number given, but I tracked it down by hand. I only found it for the Matrix.NHTSA Item Number: 10020487Toyota Service Bulletin Number: 01406Summary: "HARSH SHIFT AND MIL ON DTC P2716."Li...

Bingo! Turning the gain knobs 90 degrees left fixed it perfectly. Thanks all.I noticed that about the RCA connectors. I ended up ziptying a baggy over them.

Thanks. There are small screw adjusters on the OEM-2 for each speaker -- I assume these are gain adjustment. I'll play with it tonight.The ground should be solid...I put a ton of solder and insulation on that and the two power lines.If that doesn't work, do you think it would be a bad idea to take t...

I bought my 06 Vibe (with premium sound) a week ago, and I just finished installing a Dual XHD7714 receiver. The install was easy and it works, but there is an audible hiss on the speakers now. Further, when the car's running, there is a high-pitch noise that seems timed to the engine. I got it thro...