GM u1510 lin bus communication diag
Heres a live diag comm code case study and repair video
very simple diagnosis and repair thought id make a video and share the process. With some understanding of circuit and bus functions, can be diagnosed accurately and quickly. thanks for watching please subscribe and like 👍🏼
Similar to this one? diag.net/msg/m6nlb3xosw…
Yes! after reading it looks like his was pulling down but to 7v instead of ground but still same problem at end of day
Ah! Grille shutters… Like they actually need these? I have run into this issue on a lot of newer vehicles recently. Engineers are getting crazy with theories and selling this garbage to manufacturers claiming it will improve mileage with faster warm up times. Sadly. these typically fail closed and not open. What does that mean? Overheated engines and damage.
Nothing to do with improving mileage. The benefit for that would be and is, almost nil. The chief purpose is to reduce warm-up emissions, and to keep the massive heat loss when the thermostat opens from being so huge. Causes the PCM to dump fuel when that happens. The shutter keeps that from happening, and the inrush temps from being so low. Helps the vehicle to warm up faster. My Focus has…
Thank you for the fundamental explaination and D&O of a common GM fault. Great video!
Thank goodness it was a simple diag and repair since its my truck lol
Hi Aaron. Good job on what has now become a fairly routine diagnosis. Thanks for taking the time to post.
Thank you for the video and case study. Very well made
Another great job describing what may turn out to be a common issue on this vehicle From a billable time perspective, I see this “very simple diagnosis” as requiring the following necessary steps(not all inclusive): Check codes with scan tool Check for and interpret applicable pids- scan tool Research code description- using paid SI subscription Research wiring diagrams- using paid SI…