This page is meant to help you troubleshoot the Buick Verano P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … 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 Buick Verano. Buick Verano 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
The P0128 OBD II trouble code indicates that your Buick Verano’s engine coolant temperature has not reached its required operating temperature within a certain amount of time after starting the car. This code can appear as soon as you start your vehicle, or it can also occur while driving. It’s essential to address this issue … Read more
A burning smell is one of the most troublesome problems you can experience in a vehicle. If your Buick Verano has a burning smell, there are many potential causes. Typically, the smell is caused by some type of fluid (oil, trans fluid, etc…) hitting the exhaust or other hot parts of the engine or … Read more
Does your Buick Verano have lights that come on and a clicking noise when you turn the key, but it won’t start? This article is meant to help you diagnose this exact scenario. The good news is that this is a fairly common no-start situation and is usually pretty easy to repair. A weak battery … Read more
If you find yourself in a situation where only one of Buick Verano’s windshield wipers is working, there’s a lot you can do to get it fixed at home. We know that when only one windshield wiper is working, your Verano’s windshield wiper motor is still functional. So we don’t need to check the windshield … Read more
P0441 is one of the more common OBD II codes that can occur in the Buick Verano. It is frequently caused by a loose or bad gas cap, cracked or disconnected EVAP system hoses, vacuum leaks, or a bad purge valve. Always start by taking a look at the gas cap. P0441 is related to … Read more
A functioning horn is one of a vehicle’s most critical safety features. If your Buick Verano’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
If your Buick Verano’s steering wheel is shaking, you should deal with it immediately. A shaking steering wheel in the Buick Verano is caused by anything from the wheels and tires through the suspension (ball joints, tie rods, etc.) to the braking system. We’ll start with the easiest things to check and move towards things … Read more
P0100 is a generic OBD2 trouble code that indicates an issue with your Buick Verano’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 Verano’s MAF sensor without checking the electrical system … Read more