Tag Archives: Terrain

If your GMC Terrain has a humming noise at high speed, it can be distracting and, depending on the cause, dangerous. We’ve outlined the most common reasons why a humming noise in your vehicle gets louder with speed. We’ve also provided an audio sample of each issue to help determine …

P0073 is a common OBD2 trouble code that can affect the GMC Terrain. OBD2 trouble codes. In layman’s terms, it indicates that there is an issue with your vehicle’s ambient air sensor. The ambient air temperature sensor (or AAT for short) is responsible for monitoring outside air temperature and regulating …

P0088 is a common OBD2 trouble code that can occur in the GMC Terrain. In layman’s terms, it indicates that your SUV’s fuel pressure is too high. While P0088 is a generic code, repair steps will vary depending on your Terrain’s model year, engine type, and how it regulates fuel …

P0324 is a common OBD2 trouble code. It indicates that there is an issue with your GMC Terrain’s knock control system. While P0324 is a generic code, repair steps will vary depending on your Terrain’s engine type and model year. However, some basic steps can be followed to help diagnose …

P0026 is a code that signals an issue with your GMC Terrain’s intake valve control solenoid circuit. In layman’s terms, the circuit is not complying with the Powertrain Control Module’s commands. It sent a signal to the intake valve control solenoid, and it, for whatever reason, failed. P0026 is a …

P0008 is a somewhat uncommon OBD2 trouble code that can occur in the GMC Terrain. It indicates that the crankshaft and camshaft are not synchronized properly, and should be considered a breakdown risk. Driving your Terrain with P0008 can lead to engine damage and a costly repair. While P0008 is …

P0725 is a common OBD2 code that can occur in the GMC Terrain. It indicates an issue with the engine speed sensor input circuit (which measures the engine speed at the input shaft and helps the PCM determine when and how hard to shift the transmission). It’s a generic code, …

P0523 is a standard OBD2 trouble code that can occur in the GMC Terrain. In layman’s terms, it indicates the signal from the oil pressure sensor is higher than its normal operating range (in terms of voltage). P0523 is generic (it has the same definition for all vehicles), repair steps …

Many late model GM-made vehicles, such as the GMC Terrain use an “Engine Power Reduced” mode when they detect a potentially catastrophic problem. Reduced engine power has been known to come on at very inopportune times (such as while driving on the highway). Many components can cause the engine power …

P015B is a generic trouble code, which means it has the same meaning any vehicle. In the case of the GMC Terrain, It indicates that the Oxygen (O2) sensor on bank 1 is not cycling from lean to rich as fast as it should be. P015B is usually caused by …