Acura RDX P0841: Meaning, Causes, + Diagnosis

P0841 is a relatively common trouble code.  While your Acura RDX’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

Acura RDX P0882:  Meaning, Causes + Diagnosis

P0882 is a generic DTC trouble code, which means it has the same meaning for the Acura RDX 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

Acura RDX P0868: Meaning, Causes, & Diagnosis

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

Acura RDX 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 Acura RDX. The most common causes of P0688 are a bad PCM power relay or a wiring issue between the PCM and … Read more

Acura RDX 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 Acura RDX 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 RDX not to start, which leaves … Read more

Acura RDX P0661: Meaning, Causes, & Diagnosis

P0661 is a relatively rare OBD2 trouble code.  It indicates that the electrical reading coming from your Acura RDX’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

Acura RDX P0660: Meaning, Causes, & Diagnosis

P0660 is a somewhat common OBDII code.  It’s generic, so it has the same meaning for the Acura RDX 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

Acura RDX P0627: Meaning, Causes + Diagnosis

P0627 is a somewhat rare and generic OBD2 trouble code, which means that it has the same meaning for the Acura RDX as it would any vehicle made for the 1996 model year and up. In the RDX, P0627 is most commonly caused by a wiring issue, bad fuel pump, or defective CAN bus.  P0627 … Read more

Acura RDX P0621: Meaning, Causes, + Diagnosis

P0621 is a generic OBD2 code, which means that it has the same meaning for the Acura RDX as it would any other vehicle. However, it can be challenging to diagnose due to the necessity of removing the instrument cluster. OBD2 P0621 indicates an issue with the circuit that controls the generator lamp, which is … Read more

Acura RDX P0622:  Meaning, Causes + Diagnosis

P0622 is a somewhat rare OBD2 trouble code.  It’s a general code, meaning it has the same definition for the Acura RDX as it would any other vehicle.  This code indicates the generator field coil control circuit is malfunctioning.  It can be a challenge to diagnose. P0622 Meaning:  Generator Field F Control Circuit Malfunction “Generator … Read more