P0725 is a common OBD2 code that can occur in the Chevy Suburban. 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 Chevy Suburban. It indicates that your Suburban’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
C0040 is a chassis trouble code that occurs in the Chevy Suburban. GM designated C0040 to indicate an issue with the right front wheel speed sensor. Replacing your Suburban’s right front wheel speed sensor is the most common repair for C0040, but it’s not the only one. Wiring harness issues are common with this code. … Read more
C0035 is a manufacturer-specific chassis trouble code that can occur in the Chevy Suburban. GM designated C0035 to indicate an issue with the left front wheel speed sensor. Replacing your Suburban’s left front wheel speed sensor is the most common fix for C0035, but it’s not the only one. C0035 Definition C0035: Left Front Wheel … Read more
P0523 is a standard OBD2 trouble code that can occur in the Chevy Suburban. In layman’s terms, it indicates the signal from the oil pressure sensor is higher than its normal operating range (in terms of voltage). P0523 is generic (it has the same definition for all vehicles), repair steps will depend on your Suburban’s … Read more
Many late model GM-made vehicles, such as the Chevy Suburban 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 to be reduced. The most … Read more
P0705 is a very common transmission-related trouble code that can occur in the Chevy Suburban. In layman’s terms, it means that your Suburban 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), but there are other causes … Read more
P015D is a generic trouble code, which means that it has the same definition for the Chevy Suburban as it would any other vehicle. The code indicates that the Oxygen (O2) sensor on bank 2 is not cycling from lean to rich as fast as it should be. P015D is usually caused by a bad … Read more
P015B is a generic trouble code, which means it has the same meaning any vehicle. In the case of the Chevy Suburban, It indicates that the Oxygen (O2) sensor on bank 1 is not cycling from lean to rich as fast as it should be. P015B is usually caused by a bad oxygen sensor, but … Read more
Daytime running lights (or DRL) are specialized lights that come on when your Chevy Suburban’s regular headlights are turned off. Their purpose is to make it easier for other drivers to see you, theoretically decreasing the odds of getting into an accident. If your Suburban’s DRL warning light is on, the powertrain control module (commonly … Read more