Conditions for Running the DTC
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Voltage supplied to the module is in the normal operating voltage range of 9 to 16 volts.
- Diagnostic trouble codes U1300 and U1301 do not have a current status.
- The module operation or the vehicle power mode requires serial data communication to occur.