This page is meant to define the symptoms of the GMC P0420 trouble code. It covers GMC P0420 meaning, symptoms, causes, and possible solutions. GMC OBDII P0420 is often caused by a bad oxygen sensor, but there can be other causes as well. One of the most common trouble codes with all GMC vehicles is … Read more
Technology is wonderful (when it works). It can be incredibly frustrating to deal with troubleshooting the expensive and finicky gadgets that are in modern vehicles. If your GMC Terrain has a backup camera that’s not working, here are the most common causes and how to troubleshoot them. Troubleshooting GMC Terrain Backup Camera Problems This section is … Read more
The 2006 GMC Sierra was the last full model year of the GMT800 platform. There was a limited run of “classic” Sierras that ran in with the GMT900 in 2007. These trucks are over ten years old. It is hitting the point that your 2006 Sierra may be having transmission problems. Below, you’ll find a ton of … Read more
The 2005 GMC Sierra was the 6th year of the GMT800 platform truck. Now, these trucks are getting older, and it’s very likely that your 2005 Sierra may be having transmission problems. Below, you’ll find a ton of troubleshooting your transmission problems. The 2005 Sierra was a carryover from the 2004 model year. First and foremost, … Read more
The 2004 GMC Sierra was the 6th year of the GMT800 platform truck. Now, these trucks are getting older, and it’s very likely that your 2004 Sierra may be having transmission problems. Below, you’ll find a ton of troubleshooting your transmission problems. The 2004 Sierra was a carryover from the 2003 model year. First and foremost, … Read more
The 2003 GMC Sierra was the 5th year of the GMT800 platform truck. After five years, most of the issues with these trucks had been worked out. Now, these trucks are getting older, and it’s very likely that your 2003 Sierra may be having transmission problems. Below, you’ll find a ton of troubleshooting your transmission problems. … Read more