Camshaft Position Sensor Problems of Chevrolet Traverse

As described by hundreds, if not thousands, of other owners. . . Obdii codes p0008 and p0017, in conjunction with "service stabilitrack, awd disabled, traction control off". We have replaced multiple sensors, replaced throttle body(and sensor), replaced driver front wheel hub assembly (magnet that has to do with sensor came off). The above two codes persist. Purchased used vehicle with 118xxx miles and within a year these codes appeared. Took vehicle to dealer, who insisted it was timing chain, with estimate of $2300. However, second and third opinions disagreed. . . Suggesting sensor issues, throttle body issues, etc. Why has the timing chain or tensioner not been recalled, if this is the issue? fortunately, our vehicle does not go into limp mode. . . However, we've been told this could happen in the future. Would greatly appreciate it if the NHTSA would do a deeper dive and generate a recall. Going to address camshaft bank sensors next before possibly replacing timing chain and/or tensioner. Additionally, problems with moisture issue of unknown location that causes the stereo speakers to not work. On sunny, warm days, stereo speakers work fine. . . Any moisture, no speakers.

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On a normal sunny afternoon after about driving for 20 or so miles, we were approaching a red light in a line of traffic at a busy intersection, the vehicle appeared to start slightly jerking as I was coming to a stop. Once stopped the stop/start function operated. Upon releasing the brake to accelerate thru the intersection the vehicle started jerking and lurching uncontrollably then shut down completely, the instrument panel went dark. I could not get the car out of the line of heavy traffic, I had to put it in park right in the middle of the road and try the start button. Thankfully the vehicle started, the check engine light came on and stayed on but the vehicle appeared to be running normal again and we were able to proceed. This was very upsetting and dangerous as it occurred in heavy traffic at an intersection. I took it back to the dealership the next day (I bought this vehicle used 2 weeks prior, this was only my 2nd time driving it and I had only put 70 miles on it in the 2 weeks I had it). The current mileage is approx. 25,600. The hard code the dealer retrieved noted a camshaft sensor issue. The sensor was notreplaced, I was told that gm is aware of this problem and would be issuing a recall but they are not sure when. They said it was a computer program issue. I am very concerned for our safety while operating this vehicle as they said the issue may or may not happen again. Onstar sent me an email notifying me that my 2018 chev Traverse had and engine/transmission issue and to take it to the dealer ASAP . Thank you onstar, I am very aware of the issue and it was already at the dealer but I appreciate that you also recognize that there was a problem. Hoping gm does something very soon, this is a $50,000 vehicle with only 25k miles on it and it is not safe to operate under these conditions.

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