A Cadillac emblem appearing on a Chevrolet, GMC, or Buick infotainment screen followed by a black screen is a complete CSM failure. It’s one of the few GM infotainment symptoms that points to a single module with confidence. Here’s how to confirm it and what to do next.
Have automatic emergency braking and assume your GM vehicle is ready for adaptive cruise? It isn’t — and here’s the technical reason why, from the radar and camera hardware that’s missing to GM’s factory programming wall, plus why it’s cheaper to buy the vehicle that came with it.
A brand-new, VIN-programmed GM body control module is typically less than the dealer route — and it’s a new OEM part with full warranty, not a salvage unit. Here’s what a BCM replacement really costs, why the new-module route comes in lower, and what’s involved after it arrives.
DTC B101E is a General Motors diagnostic trouble code in the “Electronic Control Unit Software” family. On its own it… Read more B101E & U0028 on an HMI: the “VIN Not Programmed” Fault
In October 2025, GM CEO Mary Barra confirmed what had only been rumored: Apple CarPlay and Android Auto will be… Read more GM’s End of CarPlay and Android Auto: What It Means by Model Year
C7 Corvettes can be upgraded with 2019 Track Mode and GTLM instrument cluster displays using OEM-correct hardware. This guide explains compatibility, requirements, and how 2014–2015 models can achieve full functionality with CarPlay and steering wheel control support.
Many GM owners are told to “just have the dealer program it” after a retrofit or swap. In reality, dealership programming is tightly restricted to a vehicle’s original build configuration. This Tech Note explains why most retrofits fall outside dealer capabilities — and the rare exceptions where limited changes are allowed.
Swapped mirrors on a GM vehicle and now your cameras are cropped, guidelines are wrong, or an hourglass won’t clear? This tech note explains why calibration often fails after mirror swaps and why the real cause is a camera-processing configuration mismatch—not a defective camera or HMI.
Canadian-spec GM instrument clusters often display incorrect speed units, temperature scales, warning icons, and regulatory indicators when used in U.S. vehicles. This tech note explains why these differences exist, why simple programming does not fix them, and how an OEM-correct cluster replacement restores proper U.S.-spec operation.
Many GM owners have asked why an “HMI 3.x upgrade” was never offered for HMI 1.1–2.5 vehicles. This article explains, in OEM-level detail, why such an upgrade was never technically viable for most platforms—and why WAMS refuses to sell solutions that only partially work.
