Is your 4l60e pressure switch manifold acting up?

If your Chevy or GMC truck is stuck in limp mode, that 4l60e pressure switch manifold might be the culprit behind your shifting woes. It's one of those parts that most people don't think about until the transmission starts acting like it has a mind of its own. You're driving along, and suddenly, the truck won't shift past second gear, or maybe it slams into gear so hard you think the rear end just fell out. If that sounds familiar, you're likely dealing with a sensor or manifold issue. ...

February 6, 2026 · 7 min · Ciau Viaventure