Has anyone come up with a solution to the no clock display when battery is disconnected?
Please follow the latest version of PIT3830before continuing with this PI.
If this concern is encountered on Cadillac STS or Corvette radios with RPOs U3U, U3Z, URB or YQ4, the procedure in this PI does not apply. Engineering and supplier are currently investigating this issue on those vehicles and radios. Please apologize to the customer and advise that engineering is investigating the concern.
If this concern is encountered on Truck radios with RPOs U3R, U3U, USR, UUK, UUL, UVB, or a DTS with a U3R radio and it is determined that the concern remains after reviewing PIT3830, please follow the below list of steps to access radio diagnostic screens to manually set the clock:
If this concern is encountered on radio RPO's U3R, USR, UUK, UUL, UVB, please perform the following steps to set the clock through the radio diagnostics screen.