Cadillac STS P0014: Causes + How to Fix

P0014 is a relatively common trouble code for vehicles that have Variable Valve Timing (VVT). This includes the Cadillac STS.  VVT adjusts the position of the camshaft(s) to maximize the combustion efficiency of the motor. P0014 means that the camshaft position is too far advanced from where it should be in relation to normal operating … Read more

Cadillac STS P0175: Causes, Diagnosis, How to Fix

P0175 is a common trouble code that can appear in the Cadillac STS. It’s generic, so it has the same meaning for your car as it would any other automobile. There are MANY issues that can cause P0175 in the STS. If there are other codes present, use them to eliminate potential causes and save … Read more

Cadillac STS P0172: Fuel System Rich – Bank 1

A common trouble code with the Cadillac STS is P0172. This code number references a number given to you when you plug your car 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. Cadillac STS … Read more

Cadillac STS P0341: CPS – Range/Performance

P0341 is a somewhat common OBDII diagnostic code in the Cadillac STS. It means that there is a Range/Performance problem. In layman terms this means that there is a problem with the signal coming from the Camshaft Position Sensor (CPS).   OBDII P0341 means that there is a problem with the Camshaft Position Sensor (CPS) … Read more

Cadillac STS P0340 Code: Diagnosis, Causes, How to Fix

One of the more common engine management trouble codes that can occur in the Cadillac STS is P0340. It’s a generic code, which means it has the same definition for every car or truck made after 1996. P0340 is related to the camshaft position sensor and points to an issue with the wiring harness connected … Read more

Cadillac STS P0122: TPS “A” Circuit Low Input

P0122 is a common trouble code with the Cadillac STS. It’s an OBDII code that references issues with the Throttle Position Sensor (TPS). It is relatively serious problem since it can leave your vehicle stranded or severely limited.     OBDII code P0122 is a serious problem that requires serious attention. Diagnosing it can be … Read more

Cadillac STS P0457: EVAP System – Leak Detected

P0457 is a somewhat common trouble code with the Cadillac STS. This code references a number that is given to you when you plug your STS into a OBDII scanner. P0457 Indicates that there is a leak in the Evaporative Emission Control (EVAP) System. It is similar to P0455 (large leak) and P0456 (small leak) … Read more

P0128 Cadillac STS: Meaning, Causes, How to Fix

The P0128 OBD II trouble code indicates that your Cadillac STS’s engine coolant temperature has not reached its required operating temperature within a certain amount of time after starting the car. This code can appear as soon as you start your vehicle, or it can also occur while driving. It’s essential to address this issue … Read more

Cadillac STS P1516 Diagnosis

P1516 is a very common trouble code. It is a GM ONLY code, which means that it has the same meaning only for GM vehicles, such as the Cadillac STS. A P1516 for a Hyundai, for example, means something totally different. Trouble code P1516 lets you know that the Throttle Actuator Control (TAC) Module has … Read more