P0073 is a common OBD2 trouble code that can affect the GMC Sierra. OBD2 trouble codes. In layman’s terms, it indicates that there is an issue with your truck’s ambient air sensor. The ambient air temperature sensor (or AAT for short) is responsible for monitoring outside air temperature and regulating your vehicle’s automatic climate control … Read more
P0088 is a common OBD2 trouble code that can occur in the GMC Sierra. In layman’s terms, it indicates that your truck’s fuel pressure is too high. While P0088 is a generic code, repair steps will vary depending on your Sierra’s model year, engine type, and how it regulates fuel pressure. P0088 Definition: Fuel Rail/System … Read more
P0324 is a common OBD2 trouble code. It indicates that there is an issue with your GMC Sierra’s knock control system. While P0324 is a generic code, repair steps will vary depending on your Sierra’s engine type and model year. However, some basic steps can be followed to help diagnose and fix the problem. P0324 … Read more
P0026 is a code that signals an issue with your GMC Sierra’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 generic code (it has the … Read more
P0152 is a common OBDII code that occurs in many vehicles, including the GMC Sierra. It indicates that the bank 2 sensor 1 O2 sensor is reporting a voltage level that is higher than its normal operating range. P0152 Definition: O2 Sensor – High Voltage – B2S1 O2 Sensor Oxygen sensors are responsible for metering the … Read more
P0501 is an OBD2 trouble code that indicates there is an issue with your GMC Sierra’s Vehicle Speed Sensor (VSS). It occurs when the Powertrain Control Module (PCM) gets a signal from the VSS outside its normal operating range (in terms of voltage). P0501 is a generic powertrain code, which means it has the same … Read more
P0008 is a somewhat uncommon OBD2 trouble code that can occur in the GMC Sierra. It indicates that the crankshaft and camshaft are not synchronized properly, and should be considered a breakdown risk. Driving your Sierra with P0008 can lead to engine damage and a costly repair. While P0008 is a generic code (it has … Read more
P0678 is a common diagnostic trouble code found in diesel engines. It’s a generic code, which means it has the same meaning for the GMC Sierra as it would any other vehicle made for the 1996 model year+. P0678 indicates that the eighth cylinder glow plug is not heating its assigned combustion chamber. Your Sierra … Read more
P0725 is a common OBD2 code that can occur in the GMC Sierra. 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, which means it has the … Read more
P0193 is a generic OBD-II code that can occur in the GMC Sierra. It indicates that your Sierra’s fuel rail pressure sensor is sending a signal to the PCM that is above its normal operating range (in terms of voltage value). While P0193 is a generic code (it has the same meaning for any vehicle … Read more