Lincoln Town Car 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 Lincoln Town Car. The most common causes of P0688 are a bad PCM power relay or a wiring issue between the PCM … Read more

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

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

Lincoln Mark LT 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 Lincoln Mark LT. The most common causes of P0688 are a bad PCM power relay or a wiring issue between the PCM … Read more

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

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

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

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

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