Removal (Vehicle Interface Unit)
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.
NOTE:
Vehicle Communication Unit (VCU) has a specific set of unique numbers that tie a module to each vehicle. 10-digit station identification and 11-digit electronic serial number are used by National Cellular Network and OnStar® to identify a specific vehicle. Because these numbers are tied to a vehicle identification number of a vehicle, these parts must never be exchanged with those of another vehicle.
- Remove TRUNK TRIM PANELS. See TRUNK TRIM PANELS .
- Pull upward on spring loaded snap connector to disconnect OnStar® GPS antenna coaxial cable (4) from OnStar® VIU. See Figure. Disconnect harness connectors.
- Remove VIU (5) by lifting retainer tabs (3). Remove VIU (5). VIU core must be returned for credit.