Tag Archives: Sonoma

If your GMC Sonoma 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 truck gets louder with speed. We’ve also provided an audio sample of each issue to help determine …

If your GMC Sonoma’s AC system is not working, it can be uncomfortable and downright dangerous on a hot day. There are A LOT of issues that can cause your truck’s air conditioner to fail. This article is broken down into these three sections to help save you time repairing …

P0088 is a common OBD2 trouble code that can occur in the GMC Sonoma. 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 Sonoma’s model year, engine type, and how it regulates fuel …

P0026 is a code that signals an issue with your GMC Sonoma’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 …

P0501 is an OBD2 trouble code that indicates there is an issue with your GMC Sonoma’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 …

P0725 is a common OBD2 code that can occur in the GMC Sonoma. 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, …

C0040 is a chassis trouble code that occurs in the GMC Sonoma. GM designated C0040 to indicate an issue with the right front wheel speed sensor. Replacing your Sonoma’s right front wheel speed sensor is the most common repair for C0040, but it’s not the only one. Wiring harness issues …

C0035 is a manufacturer-specific chassis trouble code that can occur in the GMC Sonoma. GM designated C0035 to indicate an issue with the left front wheel speed sensor. Replacing your Sonoma’s left front wheel speed sensor is the most common fix for C0035, but it’s not the only one. C0035 …

Many late model GM-made vehicles, such as the GMC Sonoma 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 …

P0705 is a very common transmission-related trouble code that can occur in the GMC Sonoma. In layman’s terms, it means that your Sonoma can’t tell what gear you’ve selected, which can have some real consequences on how it drives. It’s most likely caused by a bad Transmission Range Sensor (TRS), …