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