Thanks for the suggestion. The combustion engine didn't start, the A/C was running off the battery, so I doubt that the cat is an issue. Given that your truck doesn't make a loud whining noise with only the A/C running then it seems I might have an issue with the A/C. I'll take it back to the...
Tried the remote start for the first time today. Everything worked fine but when I approached the truck I could hear a fairly loud whine coming from the A/C. The noise is loud enough to be concerning but doesn't sound catastrophic and doesn't really intrude into the cab when the windows are...