An industry change in protocol from OBD II to Controller Area Network (CAN) has begun. In order to perform diagnostics on a vehicle that uses the CAN interface, you will need the Tech 2 Flash and a CAN diagnostic interface module.

TheCANdimoduleconnectsbetweentheTech2Flash’sDiagnosticLinkCableandtheOBDadapter.Once the CANdi module is connected, it can be used on all GM vehicle applications, even those vehicles using other platforms such as OBD I and II. As of this printing, the following GM vehicles.

utilize the CAN interface:
- 2003 Saturn ION
- 2004 Buick Rendezvous (3.6L)
- 2004 Cadillac SRX
- 2004 Cadillac XLR
- 2004 Cadillac CTS (3.6L)
- 2004 Chevy Malibu (Body/chassis only)
- Other GM vehicles may also adopt the CAN protocol in the future