P0401 Cadillac XLR

P0401 is a common OBDII trouble code that’ll pop up in the Cadillac XLR. 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 more

P0135 Cadillac XLR

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

P0303 Cadillac XLR

P0303 is a relatively common Cadillac XLR 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 XLR. The nice thing about P0303 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler than P0300, … Read more

P0741 Cadillac XLR

P0741 is a very common trouble code. It’s know to affect the Cadillac XLR quite often. Here’s what it means: P0741: Torque Converter Clutch Circuit → Performance or Stuck Off The XLR 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 Cadillac XLR

P0302 is a relatively common Cadillac XLR 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 XLR. The nice thing about it is that the P0302 has tracked the problem to a particular cylinder, which makes diagnosing … Read more

P0301 Cadillac XLR

P0301 is a very common OBDII code that occurs in the Cadillac XLR. 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 XLR. The nice thing about it is that the P301 has tracked the problem to a particular … Read more

P0700 Cadillac XLR

One of the most common problems with the Cadillac XLR is when it throws the P0700 trouble code. A trouble code is a code thrown out by an automatic transmission whenever it detects in the XLR that there is an issue that needs your attention. P0700: Transmission Control System Malfunction In the case of the … Read more

P0300 Cadillac XLR

P0300 is one of the most common OBDII codes that occurs in the Cadillac XLR. It stands for: P0300: Random Multiple Misfire Detected P0300 is certainly a cause for concern, and can be a threat to the drivability the Cadillac XLR. It will often be accompanied by codes P0301-P0308. These particular codes also indicate that … Read more

P0171 Cadillac XLR

One of the most common trouble codes with the Cadillac XLR is the P0171 code. This code number references a number that is given to you when you plug your car into a OBDII scanner. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common.   P0171: … Read more