GMC Terrain P0446: Meaning, Causes, How to Fix

A prevalent issue with the GMC Terrain is the P0446 code. This code corresponds to a specific number obtained when connecting your Terrain to an OBDII scanner. A faulty vent control valve most commonly causes P0446. Definition P0446: EVAP System – Vent Control Circuit – Malfunction Symptoms Usually none Common Causes Bad EVAP Vent Control … Read more

GMC Terrain P0440: Meaning, Causes, How to Fix

The P0440 code is a common trouble code that many GMC Terrain owners may encounter. It indicates that there is an issue with the vehicle’s Evaporative Emission Control (EVAP) system. Specifically, the EVAP system is malfunctioning. A variety of causes can trigger the P0440 code, with the most common one being a loose or damaged … Read more

P0496 GMC Terrain

One of the most common trouble codes with the GMC Terrain is the P0496 code. This code number references a number that is given to you when you plug your Terrain into an OBDII scanner. GMC Terrain P0496 Symptoms P0496 code in the GMC Terrain will often be accompanied by an erratic idle. The engine … Read more

GMC Terrain P0420: Meaning, Causes, + How to Fix

This page is meant to help you troubleshoot the GMC Terrain 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

GMC Terrain P0171

  One of the most common trouble codes with the GMC Terrain is the P0171 code. This code number references a number that is given to you when you plug your car into a OBDII scanner.  The purpose of this article is to give you a general overview as to what causes the P0171 OBDII … Read more

GMC Terrain P0700 Code: Meaning, Causes, + How to Fix

A trouble code is a signal that is generated by an automatic transmission system whenever it detects an issue in the GMC Terrain that requires your attention. The P0700 code is a general code that is typically accompanied by another code that specifies the specific problem. This code is part of the OBDII system and … Read more