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

Scion iQ P0172: Fuel System Rich – Bank 1

A common trouble code with the Scion iQ is P0172. This code number references a number given to you when you plug your car into an OBDII scanner. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common. It means the motor is running rich. Scion iQ … Read more

Scion iQ P0171: Causes, Diagnosis, + How to Fix

One of the most common trouble codes with the Scion iQ is P0171. It indicates that your Scion iQ 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

Scion iQ P0141 Diagnosis

P0141 is a very common OBDII code that occurs in the Scion iQ. It is caused by a failure in one of the elements that heat the oxygen sensors, specifically bank 1 sensor 2, which is downstream from the catalytic converter. It technically stands for: The purpose of the heated element in the oxygen sensor … Read more

Scion iQ P0135: Heated 02 Sensor – Heating Element Failed

P0135 is a very common OBDII code that occurs in the Scion iQ. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 1 sensor 1. It technically stands for:     The purpose of the heated element in the oxygen sensor is to quickly bring your O2 sensor … Read more

P0128 Scion iQ: Meaning, Causes, How to Fix

The P0128 OBD II trouble code indicates that your Scion iQ’s engine coolant temperature has not reached its required operating temperature within a certain amount of time after starting the car. This code can appear as soon as you start your vehicle, or it can also occur while driving. It’s essential to address this issue … Read more

Scion iQ P0122: TPS “A” Circuit Low Input

P0122 is a common trouble code with the Scion iQ. It’s an OBDII code that references issues with the Throttle Position Sensor (TPS). It is relatively serious problem since it can leave your vehicle stranded or severely limited.     OBDII code P0122 is a serious problem that requires serious attention. Diagnosing it can be … Read more

Scion iQ P0113: IAT Sensor → High Input Problem

P0113 is an OBDII trouble code that occurs when the Scion iQ’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

Scion iQ P0304: Cylinder 4 Misfire – Diagnosis + Fix

If your Scion iQ has the P0304 trouble code, you should know that it’s about as common of a code as there is. It’s a generic OBD IIcode (same meaning for all vehicles) that indicates that your car’s fourth cylinder is misfiring. P0304 is a drivability concern and should be dealt with right away. If … Read more