Tag Archives: STS

P0073 is a common OBD2 trouble code that can affect the Cadillac STS. OBD2 trouble codes. In layman’s terms, it indicates that there is an issue with your car’s ambient air sensor. The ambient air temperature sensor (or AAT for short) is responsible for monitoring outside air temperature and regulating …

P0026 is a code that signals an issue with your Cadillac STS’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 …

P0152 is a common OBDII code that occurs in many vehicles, including the Cadillac STS. 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 …

P0008 is a somewhat uncommon OBD2 trouble code that can occur in the Cadillac STS. It indicates that the crankshaft and camshaft are not synchronized properly, and should be considered a breakdown risk. Driving your STS with P0008 can lead to engine damage and a costly repair. While P0008 is …

P0523 is a standard OBD2 trouble code that can occur in the Cadillac STS. 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 …

Many late model GM-made vehicles, such as the Cadillac STS 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 …

P2279 is a generic OBD-II code. It indicates there is a vacuum leak coming from your Cadillac STS’s air intake system. While P2279 is a generic code (it has the same definition for the STS as it would any other vehicle made after 1996), repair steps will vary based on …

P0116 indicates that your Cadillac STS’s engine coolant temperature sensor is sending a signal to the PCM (powertrain control module) that is outside of its normal operating range (in terms of voltage). While P0116 is a generic OBD2 code (it has the same definition for any car or truck), it …

P0058 is a not too common and OBDII trouble code that occurs in the Cadillac STS. It indicates that the heated oxygen sensor (which we’ll be referring to as HO2S a lot) heater control circuit located at B2S2 is sending a signal to the PCM that is outside of its …

P0056 is a somewhat common O2 sensor-related OBD2 trouble code. It is a generic code, which means it has the same definition for the Cadillac STS as it would any other vehicle. This code is almost always caused by a bad heated oxygen sensor or wiring issue and almost never …