Mazda CX-5 P0037: Meaning + Causes

P0037 is a generic trouble code, which means that it has the same definition for the Mazda CX-5 as it would any other vehicle. It indicates that the O2 sensor at bank 1 sensor 2 has a heated element that is sending a signal back to the ECM that is below its normal operating range. … Read more

Mazda CX-5 P0022: Meaning, Causes, + Diagnosis

P0022 is a relatively common general OBD2 trouble code. If your CX-5 has Variable Valve Timing (We’ll be referring to it as VVT a lot), it can get this code. What is VVT? VVT changes the frequency and distribution of gases entering and exiting the combustion chamber. It allows the engine to act like it … Read more

Mazda CX-5 P0050: Definition, Causes, + Diagnosis

P0050 is a common OBD2 trouble code. It’s generic, which means it has the same definition for the Mazda CX-5 as any other vehicle. The cause of P0050 is almost always a bad heated oxygen sensor or wiring issue. P0050 Definition: Heater Control – Circuit – Bank 2 Sensor 1 P0050 indicates no signal coming … Read more

Mazda CX-5 P0030: Meaning, Causes + Diagnosis

P0030 is a very common OBD2 trouble code. It’s generic, which means it has the same definition for the Mazda CX-5 as any other vehicle. This code is almost always caused by a bad heated oxygen sensor or wiring issue. P0030 Definition: Heater Control – Circuit – B1S1 P0030 indicates no signal coming from your … Read more

Mazda CX-5 P0730:  Meaning, Causes + Diagnosis

P0730 is a standard OBD2 trouble code. It indicates that your Mazda CX-5’s PCM has detected an incorrect gear ratio. While this code can appear if you changed your CX-5’s transmission or rear end gearing without re-flashing the computer, it almost always has nothing to do with an incorrect gear ratio. An internal transmission problem … Read more

Mazda CX-5 P0871: Transmission Fluid Pressure Sensor/Switch “C” Range/Performance

P0871 is a somewhat rare diagnostic trouble code.  While your Mazda CX-5’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 switch “C”. It’s a generic code, so P0871 has the same definition for any vehicle made for the 1996 model … Read more

Mazda CX-5 P0480: Meaning, Causes & Diagnosis

P0480 is a relatively common OBDII trouble code.  It indicates that your Mazda CX-5’s “cooling fan 1 control circuit” is malfunctioning.  It’s a generic code, so it has the same meaning for any vehicle made for the 1996 model year and up.   P0480 Definition:  Cooling Fan 1 – Control Circuit Malfunction Here is the … Read more

Mazda CX-5 P0320: Meaning, Causes, & Diagnosis

P0320 is a relatively common ignition-related trouble code. P0320 indicates that your Mazda CX-5’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-5, use individual coil packs which … Read more

Mazda CX-5 P0846: Meaning, Causes, + Diagnosis

P0846 is a relatively common trouble code.  While your Mazda CX-5’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-5 P0841: Meaning, Causes, + Diagnosis

P0841 is a relatively common trouble code.  While your Mazda CX-5’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