Mazda CX-8 P0320: Meaning, Causes, & Diagnosis

P0320 is a relatively common ignition-related trouble code. P0320 indicates that your Mazda CX-8’s ignition/distributor engine speed circuit is malfunctioning. P0320 is most likely caused by the engine speed sensor, or a wiring issue. P0320 Definition:  Ignition/Distributor Engine Speed – Input Circuit Nearly all modern vehicles, including the Mazda CX-8, use individual coil packs which … Read more

Mazda CX-8 P0846: Meaning, Causes, + Diagnosis

P0846 is a relatively common trouble code.  While your Mazda CX-8’s check engine light will come on, P0846 is a transmission-related trouble code, specifically the transmission fluid pressure sensor circuit. It’s a generic code, so P0846 has the same definition for any vehicle made for the 1996 model year and up.  Before doing anything, check … Read more

Mazda CX-8 P0841: Meaning, Causes, + Diagnosis

P0841 is a relatively common trouble code.  While your Mazda CX-8’s check engine light will come on, this particular code indicates that there’s something wrong with the transmission, specifically the transmission fluid pressure sensor circuit. It’s a generic code, so P0841 has the same definition for any vehicle made for the 1996 model year and … Read more

Mazda CX-8 P0882:  Meaning, Causes + Diagnosis

P0882 is a generic DTC trouble code, which means it has the same meaning for the Mazda CX-8 as it would any other vehicle.  While this code sets the check engine light, it is actually warning you of an issue with the TCM transmission control module, specifically that the power input signal is too low. … Read more

Mazda CX-8 P0868: Meaning, Causes, & Diagnosis

P0868 is a generic DTC code, which means it has the same definition for the Mazda CX-8 as it would any other vehicle.  This particular code indicates that the transmission fluid pressure is below the minimum operating specs. If your CX-8 has P0868 the first thing you should do is check the transmission fluid.  If … Read more

Mazda CX-8 P0715: Symptoms, Causes, & Diagnosis

P0715 is a generic, and somewhat rare OBDII trouble code.  If your Mazda CX-8 has P0715, it indicates there is a communication error with the sensor that measures transmission input speed.  Common Causes: A bad transmission speed sensor, shift solenoid, wiring issues, and even low/no transmission fluid can all cause P0715. P0715 Definition: Input/Turbine Speed … Read more

Mazda CX-8 P0688: Meaning, Causes, + Diagnosis

P0688 is a relatively rare OBD2 trouble code. It’s a generic code, meaning that it has the same definition for any vehicle made for the 1996 model year and up.  This includes the Mazda CX-8. The most common causes of P0688 are a bad PCM power relay or a wiring issue between the PCM and … Read more

Mazda CX-8 P0685: Meaning, Causes, + Diagnosis

P0685 is a somewhat rare OBDII trouble code. It’s a general code, so it has the same meaning for the Mazda CX-8 as any other vehicle. It indicates that the circuit that provides power to the PCM is not functioning properly.  Most of the time, P0685 will cause your CX-8 not to start, which leaves … Read more

Mazda CX-8 P0661: Meaning, Causes, & Diagnosis

P0661 is a relatively rare OBD2 trouble code.  It indicates that the electrical reading coming from your Mazda CX-8’s intake manifold tuning valve control circuit (on the bank 1 side) is below its specified operating range. While P0661 is a generic code, so it has the same definition for all vehicles. P0661 Definition: Intake Manifold … Read more

Mazda CX-8 P0660: Meaning, Causes, & Diagnosis

P0660 is a somewhat common OBDII code.  It’s generic, so it has the same meaning for the Mazda CX-8 as it would any other vehicle made for the 1996 model year and up.   This code indicates that there is an issue with the bank 1 side of the intake manifold valve tuning control circuit. Common … Read more