Well, took my car into the dealer today. They looked at me weird since I was just in there a couple months ago for this. They asked me why I was back.
"Well," I said, "at the time you ran a diagnostic on the mat and said it was good so you didn't do anything else. You and your tech both said you didn't take the cushion out or apart so the reinforcement tape wasn't applied. I believe the mat is broken now and needs to be replaced AND have the tape installed. At the very least, you need to add the tape."
"That's all that needed to be done, I believe. Let's look at what the recall states."
"I can tell you EXACTLY what the recall states...you need to add the reinforcement tape whether you install a new mat to replace a damaged one OR if the mat is working. Both you and your tech stated this was not done last time when I asked both of you directly if it had."
"Oh, well let me see what the tech's report states..." insert 30 second of keyboard clicking sounds here "...okay, let me start the paperwork and we'll get on it."
Tape is on order though they told me the seat sensor was functional. @skersfan
, looks like this seat had a working sensor. We'll see when they do the work.
As for the fix, IIRC from my research, this is how the CTS was handled. The felt enclosed mat assemblies came from IEE and then were assembled to the cushion and covered at LEAR before moving on to GM for final assembly. With the CTS, the tape was added by LEAR during assembly. This would lead me to believe this fix is the same one used on the CTS. This fix was shown to dramatically reduce (but never eliminate completely) the failure. This is why with the CTS, there was a recall group (no tape or tape but a manufacturing process that was pre-stressing the 3D matrix that breaks) and an extended warranty group (with tape and after the manufacturing flaw was addressed).