One of the most common issues with the GMC Sonoma, or any newer GM vehicle, is the “Service StabiliTrak” warning. StabiliTrak is GM’s electronic stability control system. It does much more than a standard traction control system. It is one of the most innovative and vital safety features on your GMC Sonoma and can … Read more
P0154 is a relatively common trouble code. It’s generic, which means that it has the same meaning for any vehicle with OBDII (GMC Sonoma or not). It means that the PCM/ECM is not detecting any activity from the sensor. There can be many reasons for this code to throw. These include a bad o2 … Read more
The P0151 code is an OBD-II diagnostic trouble code that indicates low voltage in the GMC Sonoma’s Oxygen (O2) sensor circuit located at Bank 2, Sensor 1 (B2S1). The B2S1 O2 sensor plays a crucial role in maintaining optimal engine performance by detecting the air-fuel ratio in the exhaust, then sending this data to the … Read more
P0150 is a very common OBDII code that occurs in the GMC Sonoma. It is typically caused when the Oxygen Sensor voltage is not within normal operating conditions. GMC Sonoma P0150 Symptoms Typically, the only symptom of P0150 is going to be the service engine soon light. In some cases, there can be other symptoms … Read more
P0740 is one of the most common transmission trouble codes. It means that the Sonoma‘s computer has detected that there is an issue with the torque converter clutch (TCC) solenoid circuit. P0740: Torque Converter Clutch Circuit Malfunction The TCC “locks” the drivetrain, which allows for a true mechanical connection between the transmission … Read more
P0330 is a powertrain OBDII trouble code that has the same meaning for the GMC Sonoma as it would any other vehicle. By definition, it means that the vehicles ECM/PCM isn’t getting the proper signal from the knock sensor. Clearing this code typically requires a new knock sensor. The second most common cause is … Read more
P0405 is a generic OBDII trouble code. It deals with the signal coming from the EGR system. Since it is a generic code, it has the same meaning for the GMC Sonoma as it would any other vehicle. The EGR system allows a certain amount of the Sonoma’s exhaust to re-enter the combustion chamber, … Read more
P0175 is a common trouble code that can appear in the GMC Sonoma. It’s generic, so it has the same meaning for your truck as it would any other automobile. There are MANY issues that can cause P0175 in the Sonoma. If there are other codes present, use them to eliminate potential causes and save … Read more
One of the most common trouble codes with the GMC Sonoma is P0174. It indicates that your GMC Sonoma 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
A common trouble code with the GMC Sonoma is P0172. This code number references a number given to you when you plug your truck into an OBDII scanner. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common. It means the motor is running rich. GMC Sonoma … Read more