If you own a GMC Terrain, you may have encountered the P0102 trouble code. This code indicates that the Mass Air Flow (MAF) circuit is low and not performing within its specified operating range. When this happens, your vehicle may experience drivability issues such as stalling, lack of power, rough idle, and hesitation. There are … Read more
P0101 code in the GMC Terrain is crucial to maintaining your truck’s performance and ensuring it runs efficiently. This code indicates that there is a problem with your vehicle’s Mass Air Flow (MAF) sensor, specifically, a Range/Performance issue. The most common cause of P0101 is a bad MAF sensor. When you encounter the P0101 code, … Read more
P0141 is a very common OBDII code that occurs in the GMC Terrain. It is caused by a failure in one of the elements that heat the oxygen sensors, specifically bank 1 sensor 2, which is downstream from the catalytic converter. It technically stands for: The purpose of the heated element in the oxygen sensor … Read more
P0011 is a common (and serious) OBD II diagnostic trouble code that can occur in the GMC Terrain. It indicates an issue with your vehicle’s Variable Valve Timing (VVT) system. The first thing you should do when you have this code is check your Terrain’s oil. If the oil level is too low, the camshaft … Read more
P0113 is an OBDII trouble code that occurs when the GMC Terrain’s engine management computer detects that there is an issue with the Intake Air Temperature (IAT) Sensor, specifically that there is a High Input Problem with it. P0113: IAT Sensor → High Input Problem The IAT sensor is responsible for measuring the air temperature … Read more
P0441 is one of the more common OBD II codes that can occur in the GMC Terrain. 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
One of the most common trouble codes with the GMC Terrain is P0174. It indicates that your GMC Terrain is running lean on the bank two side of the engine. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list of … Read more
P0305 is a fairly common trouble code with the GMC Terrain. It’s and OBD2 code and stands for: P0305: Misfire Detected → Cylinder 5 P0305 is certainly a cause for concern, and should be considered a threat to the drivability your Terrain. The nice thing about P0305 is that it’s a cylinder specific trouble code, … Read more
P0401 is a very common OBDII trouble code that’ll pop up in the GMC Terrain. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your vehicle is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more
P0135 is a very common OBDII code that occurs in the GMC Terrain. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 1 sensor 1. It technically stands for: P0135: Heated Oxygen Sensor → Sensor Heater Circuit Malfunction → Bank 1, Sensor 1 The purpose of the heated … Read more