Pontiac G8 U0100:  Lost Communication with ECM/PCM “A”

U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Pontiac G8).  This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. When a vehicle has … Read more

Pontiac Vibe U0100:  Lost Communication with ECM/PCM “A”

U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Pontiac Vibe).  This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. When a vehicle has … Read more

Cadillac XTS U0100:  Lost Communication with ECM/PCM “A”

U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Cadillac XTS).  This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. When a vehicle has … Read more

Cadillac XLR U0100:  Lost Communication with ECM/PCM “A”

U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Cadillac XLR).  This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. When a vehicle has … Read more

Cadillac STS U0100:  Lost Communication with ECM/PCM “A”

U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Cadillac STS).  This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. When a vehicle has … Read more

Cadillac SRX U0100:  Lost Communication with ECM/PCM “A”

U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Cadillac SRX).  This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. When a vehicle has … Read more

Cadillac DTS U0100:  Lost Communication with ECM/PCM “A”

U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Cadillac DTS).  This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. When a vehicle has … Read more

Cadillac CTS U0100:  Lost Communication with ECM/PCM “A”

U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Cadillac CTS).  This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. When a vehicle has … Read more