P0401 is a very common OBDII trouble code that’ll pop up in the Cadillac CTS. 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 CTS. 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 CTS 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 CTS quite often. Here’s what it means: P0741: Torque Converter Clutch Circuit → Performance or Stuck Off The CTS 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 CTS 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 CTS’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 CTS. 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 CTS. 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 CTS. 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 issues that happens with the Cadillac CTS is the P0442 trouble code. This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system. While it’s unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your … Read more
One of the most common trouble codes with the Cadillac CTS is P0171. It indicates that your Cadillac CTS 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
A trouble code is a signal that is generated by an automatic transmission system whenever it detects an issue in the Cadillac CTS that requires your attention. The P0700 code is a general code that is typically accompanied by another code that specifies the specific problem. This code is part of the OBDII system and … Read more