If your Cadillac ATS has the P0304 trouble code, you should know that it’s about as common of a code as there is. It’s a generic OBD IIcode (same meaning for all vehicles) that indicates that your car’s fourth cylinder is misfiring. P0304 is a drivability concern and should be dealt with right away. If … Read more
P0401 is a very common OBDII trouble code that’ll pop up in the Cadillac ATS. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your car is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more
P0135 is a very common OBDII code that occurs in the Cadillac ATS. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 1 sensor 1. It technically stands for: P0135: Heated Oxygen Sensor → Sensor Heater Circuit Malfunction → Bank 1, Sensor 1 The purpose of the heated … Read more
If your Cadillac ATS has the P0303 trouble code, you should know that it’s about as common of a code as there is. It’s a generic code (same meaning for all vehicles) that indicates that your car’s third cylinder is misfiring. P0303 is a real drivability concern and should be dealt with right away. If … Read more
P0741 is a very common trouble code. It’s know to affect the Cadillac ATS quite often. Here’s what it means: P0741: Torque Converter Clutch Circuit → Performance or Stuck Off The ATS uses a clutch in the torque converter to lock the engine and transmission together at highway speed. P0741 can register whenever this connection … Read more
P0302 in the Cadillac ATS is a common OBD II trouble code. It indicates that your car’s second cylinder has a misfire. P0302 is a real drivability concern and should be dealt with right away. If it’s bad enough to cause your ATS’s check engine light to come on, you shouldn’t drive your car at … Read more
P0301 is a fairly common trouble code with the Cadillac ATS. It’s an OBD2 code and indicates that your car’s first cylinder is misfiring. P0301 is certainly a cause for concern and should be considered a threat to the drivability of your ATS. Fixing P0301 should be considered a high priority. Unlike a lot of … Read more
P0300 is a generic OBDII code that can occur with the Cadillac ATS. This code indicates that your car’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire, … Read more
One of the most common trouble codes with the Cadillac ATS is P0171. It indicates that your Cadillac ATS is running lean on the bank one side. It’s the most common air/fuel mixture-related code. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common codes. The most … Read more