Toyota Highlander P0032: What it Means and How to Fix

P0032 is a not-too-common, generic, OBDII trouble code. It indicates that your Toyota Highlander’s heated oxygen sensor (which we’ll be referring to as HO2S a lot) is sending a signal to the PCM that is outside of its normal operating range. In this case, the signal is higher than it should be. Terminology: HO2S- Heated … Read more

Toyota Highlander P0057: Meaning + Causes

P0057 is a generic trouble code, which means that it has the same definition for the Toyota Highlander as it would any other vehicle. It indicates that the O2 sensor at bank 2 sensor 2 has a heated element that is sending a signal back to the ECM that is below its normal operating range. … Read more

Toyota Highlander P0037: Meaning + Causes

P0037 is a generic trouble code, which means that it has the same definition for the Toyota Highlander 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

Toyota Highlander P0022: Meaning, Causes, + Diagnosis

P0022 is a relatively common general OBD2 trouble code. If your Highlander 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

Toyota Highlander P0050: Definition, Causes, + Diagnosis

P0050 is a common OBD2 trouble code. It’s generic, which means it has the same definition for the Toyota Highlander 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

Toyota Highlander P0030: Meaning, Causes + Diagnosis

P0030 is a very common OBD2 trouble code. It’s generic, which means it has the same definition for the Toyota Highlander 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

Toyota Highlander P1135: Meaning + Causes

P1135 is a manufacturer-specific trouble code, which means that different automakers can assign it whatever definition they see fit. In the case of the Toyota Highlander, it indicates that the heated Oxygen sensor at bank 1 sensor 1 has a heater element that is not responding. The most common fix for P1135 is a new … Read more

Toyota Highlander P0730:  Meaning, Causes + Diagnosis

P0730 is a standard OBD2 trouble code. It indicates that your Toyota Highlander’s PCM has detected an incorrect gear ratio. While this code can appear if you changed your Highlander’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

Toyota Highlander P0871: Transmission Fluid Pressure Sensor/Switch “C” Range/Performance

P0871 is a somewhat rare diagnostic trouble code.  While your Toyota Highlander’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

Toyota Highlander P0480: Meaning, Causes & Diagnosis

P0480 is a relatively common OBDII trouble code.  It indicates that your Toyota Highlander’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