If your GMC Sierra’s key fob is not working, the most common reason is a dead battery. Followed by water damage or fob failure. Below, we’ve listed everything you need to do to get your truck’s fob working again. A dead battery is the most common reason a GMC Sierra’s key fob fails. Table of … Read more
Do you need help getting Apple CarPlay to work in your GMC Sierra? You’re not alone. Many people have experienced an issue with CarPlay connections, which can be frustrating. The good news is the fix is usually pretty simple. This article covers the most common reasons Apple CarPlay isn’t working in the GMC Sierra and … Read more
If you’re filling your truck up regularly and still getting crummy mileage, there are a few things that could be to blame. In this post, we’ll explore some of the most common reasons your GMC Sierra is getting bad gas mileage. Before diving in, it’s important to note whether or not your Sierra’s check engine … Read more
If your GMC Sierra has metal shavings in the oil, it almost always indicates engine damage, but it’s not always easy to tell what is causing the issue. This article will help you figure out what’s going on with your truck. Metal shavings accompanied by a knocking sound typically indicate your Sierra has spun a … Read more
When your GMC Sierra is in Park, its engine RPM level (revolutions per minute) should stay relatively even. If it doesn’t, there’s likely something wrong with your engine. If your truck’s check engine light is on, we’ve provided the most common causes of RPMs going up and down while in Park and the common codes … Read more
Shocks and struts typically don’t last for the lifetime of a vehicle, If your GMC Sierra is experiencing poor handling, excessive wear on tires and suspension components, or a jarring noise, it likely has bad shocks or struts. If your Sierra is experiencing any steering problems, it’s vital to check your truck out immediately, as … Read more
The TPMS light indicates that your GMC Sierra’s tire pressure is above or below the minimum threshold set by the manufacturer. The tire pressure monitoring system (TPMS) light is the most common warning light on a modern vehicle. If you have a TPMS warning light, your truck’s tire pressure must be checked. If your GMC … Read more
P1174 and P1175 are GM-specific DTCs (Diagnostic Trouble Codes). They indicate fuel bank trim issues on bank 1 and bank 2 of your GMC Sierra. GMC Sierra P1174 + P1175 Quick Info GM P1174 + P1175 Definition Fuel Trim Cylinder Balance (Bank 1 or Bank 2) Symptoms Mild misfire, MIL light Common Causes Bad O2 … Read more
A functioning horn is one of a vehicle’s most critical safety features. If your GMC Sierra’s horn isn’t working, there are a few potential causes. We’ll cover each of them, starting with the easiest and most likely issues and working from there. A test light can make diagnosing a horn that isn’t working much easier. … Read more
P0100 is a generic OBD2 trouble code that indicates an issue with your GMC Sierra’s Mass Air Flow (MAF) Sensor. This code is usually caused by a MAF sensor that is faulty, dirty or a wiring issue related to it. It may be tempting to replace your Sierra’s MAF sensor without checking the electrical system … Read more