Chevy B2961 Code - What It Means and Fixes

That Pesky B2961 Code: Demystifying Your Chevy's Immobilizer Mystery Alright, let's talk about something that can really throw a wrench in your day: the B2961 code Chevy. If you've seen this pop up on your scanner or, even worse, your trusty Chevrolet suddenly decides it doesn't want to start, you're probably scratching your head and muttering, "What the heck does that even mean?" Trust me, you're not alone. This isn't some obscure engine hiccup; it points directly to your vehicle's security system, specifically the passive anti-theft system (PATS) or immobilizer. And while it sounds super technical, we can break it down into plain English. ...

November 23, 2025 · 8 min · Karima Votech