Audi Q8 P0730:  Meaning, Causes + Diagnosis

P0730 is a standard OBD2 trouble code. It indicates that your Audi Q8’s PCM has detected an incorrect gear ratio. While this code can appear if you changed your Q8’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

Audi Q8 P0480: Meaning, Causes & Diagnosis

P0480 is a relatively common OBDII trouble code.  It indicates that your Audi Q8’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

Audi Q8 P0320: Meaning, Causes, & Diagnosis

P0320 is a relatively common ignition-related trouble code. P0320 indicates that your Audi Q8’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 Audi Q8, use individual coil packs which … Read more

Audi Q8: P0717 Meaning, Causes, & Diagnosis

P0717 is a somewhat rare OBD2 trouble code that can occur in the Audi Q8.  While it illuminates the check engine light, the code warns of a transmission-related error, specifically that the input shaft/turbine speed sensor is not sending a signal. P0717 is a generic code (it has the same meaning for any vehicle made … Read more

Audi Q8 P0846: Meaning, Causes, + Diagnosis

P0846 is a relatively common trouble code.  While your Audi Q8’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

Audi Q8 P2015:  Meaning, Causes and Diagnosis

P2015 is a somewhat rare diagnostic trouble code.  It is generic (meaning it has the same definition for all vehicles, including the Audi Q8). It’s often found with other codes.  If those codes are vacuum or air/fuel related, you should tackle them first.  Fixing them will often clear P2015 as well. P2015 Definition:  Intake Manifold … Read more

Audi Q8 P0841: Meaning, Causes, + Diagnosis

P0841 is a relatively common trouble code.  While your Audi Q8’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

Audi Q8 P0882:  Meaning, Causes + Diagnosis

P0882 is a generic DTC trouble code, which means it has the same meaning for the Audi Q8 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

Audi Q8 P0868: Meaning, Causes, & Diagnosis

P0868 is a generic DTC code, which means it has the same definition for the Audi Q8 as it would any other vehicle.  This particular code indicates that the transmission fluid pressure is below the minimum operating specs. If your Q8 has P0868 the first thing you should do is check the transmission fluid.  If … Read more