Code Enable Criteria
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
The following must occur for DTC to run:
- DTCs B1327, B1328, U1300, U1301 and U1305 must not have a current status.
- DTC U1000 or U1255 will set in a module when at least one critical operating parameter has not been associated with an identification number within 5 seconds after beginning serial data communication.