P0401 Cadillac XTS

P0401 is a common OBDII trouble code that’ll pop up in the Cadillac XTS. It has to do with the emissions system and stands for: P0401: EGR → Insufficient Flow The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. There are three main parts … Read moreP0401 Cadillac XTS

P0135 Cadillac XTS

P0135 is a very common OBDII code that occurs in the Cadillac XTS. 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 moreP0135 Cadillac XTS

P0303 Cadillac XTS

P0303 is a relatively common Cadillac XTS trouble code. It stands for: P0303: Misfire Detected → Cylinder 3 P0303 should not be ignored, and can be a threat to the drivability the Cadillac XTS. The nice thing about P0303 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler than P0300, … Read moreP0303 Cadillac XTS

P0741 Cadillac XTS

P0741 is a very common trouble code. It’s know to affect the Cadillac XTS quite often. Here’s what it means: P0741: Torque Converter Clutch Circuit → Performance or Stuck Off The XTS uses a clutch in the torque converter to lock the engine and transmission together at highway speed. P0741 can register whenever this connection … Read moreP0741 Cadillac XTS

P0302 Cadillac XTS

P0302 is a relatively common Cadillac XTS trouble code. It stands for: P0302: Misfire Detected Cylinder 2 P0302 is certainly a cause for concern, and can be a threat to the drivability the Cadillac XTS. The nice thing about it is that the P0302 has tracked the problem to a particular cylinder, which makes diagnosing … Read moreP0302 Cadillac XTS

P0301 Cadillac XTS

P0301 is a very common OBDII code that occurs in the Cadillac XTS. It stands for: P0301: Misfire Detected Cylinder 1 P0301 is certainly a cause for concern, and can be a threat to the drivability the Cadillac XTS. The nice thing about it is that the P301 has tracked the problem to a particular … Read moreP0301 Cadillac XTS