P0018 is a general OBD2 trouble code, which means that it has the same meaning and general symptoms for any vehicle (including the Cadillac DeVille) it typically occurs when the Crankshaft Position Sensor and the Camshaft Position Sensor are out of alignment by a certain number of degrees, or if there is a sensor issue. … Read more
P0019 is a generic OBD II trouble code. It is typically thrown when the Crankshaft Position Sensor and the Camshaft Position Sensor are out of alignment by a certain number of degrees, if there is an issue with the wiring, or one of the sensors themselves may have gone bad. We’ll explore all the … Read more
P0015 is a generic OBD II trouble code. It affects vehicles with variable valve timing (VVT). The list of VVT vehicles is growing, and the Cadillac DeVille can have VVT, and is known to develop this code. VVT changes the frequency and distribution of gases entering and exiting the combustion chamber. It allows the … Read more
P2096 is a generic OBD II code, which means that it has the same meaning for the Cadillac DeVille as it would any other vehicle. It specifically indicates that your DeVille detected that it is running too lean (too much air for the amount of fuel present). Bank 1 is the side of the … Read more
If your Cadillac DeVille is experiencing unusually high oil pressure, you need to find out what’s causing it right away. Unusually high oil pressure can indicate serious problems, such as a blocked oil passage, or a broken pressure relief valve. It should be treated like you have no oil pressure until you verify what is … Read more
P0606 is a generic OBD II code. Which means that it has the same meaning for the Cadillac DeVille that it would for any other vehicle. If your DeVille has P0606 it’s highly likely that the ECM/PCM (engine or powertrain control module, they mean the same thing) has failed. The PCM regularly performs a self … Read more
P0603 is a generic OBD2 trouble code. It indicates that your Cadillac DeVille’s keep alive memory has had an error. Keep alive memory is the data that your DeVille’s PCM (Powertrain Control Module) has learned about how your engine conditions. All of this sensor and driving input data is used to keep it operating efficiently. … Read more
P0522 is an OBD2 diagnostic code that is triggered when your Cadillac DeVille detects that the value being sent from the oil pressure sensor is below its normal operating ranged. It is typically caused by a bad oil pressure sensor or an issue with the oil system, and should be diagnosed and fixed right … Read more
The Cadillac DeVille utilizes a crankshaft position sensor (CKP) in order to regulate the engine timing. This sensor uses a reluctor to gauge the position of the crank. When the DeVille’s ECM determines that the signal coming from this sensor is out of range, it’ll throw the P0336 trouble code. P0336 is most commonly caused … Read more
P0308 is a fairly common trouble code with the Cadillac DeVille. It’s and OBD2 code and means that a misfire has been detected in the 8th cylinder in the firing order. You should only be seeing this code if you have an engine with at least 8 cylinders. So, it’s mostly a code for … Read more