Saturn SC P0113: IAT Sensor → High Input Problem

P0113 is an OBDII trouble code that occurs when the Saturn SC’s engine management computer detects that there is an issue with the Intake Air Temperature (IAT) Sensor, specifically that there is a High Input Problem with it. P0113: IAT Sensor – High Input Problem The IAT sensor is responsible for measuring the air temperature … Read more

Saturn SC P0011: OBDII Code Diagnosis

P0011 is a very common trouble code. It affects vehicles with variable valve timing (VVT). The list of VVT vehicles is growing, and the Saturn SC can have VVT, and is prone to developing this code. P0011 is a generic OBDII code. This means that it has the same definition for the Saturn SC as … Read more

Saturn SC P0139: O2 Sensor Slow Response (Bank 1 -Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Saturn SC. The code is triggered when there is an issue with the response time from the oxygen (O2) sensor when switching voltage levels. The Oxygen sensors are responsible for helping the ECM meter oxygen levels in the exhaust, and helping to … Read more

Saturn SC P0140: O2 Sensor → No Activity Detected B1S2

P0140 is a generic OBDII trouble code. It has the same meaning for any vehicle with OBDII, including the Saturn SC. It means that the PCM/ECM is not detecting any activity from the sensor.  It doesn’t mean that the O2 sensor isn’t getting power, but that the voltage isn’t changing, which is the “no activity”. … Read more