Scion iQ P0340: CPS – Circuit Malfunction

P0340 is a somewhat common and difficult trouble code to diagnose. The Scion iQ is no exception to this rule. That’s because it’s a generic powertrain code. Generic codes tell you that there is a problem, but they don’t really tell you what particular part of the system is throwing the code.     OBDII … Read more

Scion iQ P0306: Misfire Detected (Cylinder 6)

P0306 is a fairly common trouble code with the Scion iQ. It’s and OBD2 code and stands for: P0306 is certainly a cause for concern, and should be considered a threat to the drivability your iQ. The nice thing about P0306 is that it’s a cylinder specific trouble code, which makes diagnosing the problems much … Read more

Scion iQ P0102: MAF Sensor – Circuit Low

P0102 is a very common trouble code with the Scion iQ. It means the the Mass Air Flow (MAF) circuit is low, and that it is not performing within its specified operating range. We will cover exactly what that means and potential fixes for it below. It should be considered a high priority to fix, … Read more

Scion iQ P0101 Diagnosis: MAF Sensor

With the Scion iQ, P0101 means the the Mass Air Flow (MAF) sensor has a Range/Performance problem. We will cover exactly what that means and potential fixes for it below. It should be considered a high priority to fix, as the MAF sensor not reading properly can really make an impact on the performance of … Read more

Scion iQ P0021: OBDII Code Diagnosis

P0021 is a common trouble code. It affects vehicles with variable valve timing (VVT). The list of VVT vehicles is growing, and the Scion iQ can have VVT, and is prone to developing this code.     P0021 is a generic OBDII code. This means that it has the same definition regardless of the make … Read more

Scion iQ P0305: Misfire Detected (Cylinder 5)

P0305 is a fairly common trouble code with the Scion iQ. It’s and OBD2 code and stands for: P0305 is certainly a cause for concern, and should be considered a threat to the drivability your iQ. The nice thing about P0305 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler … Read more

Scion iQ P0741 OBDII Transmission Code Diagnosis

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