Software updates are distributed to GM dealers automatically via TIS2WEB at the GM Global Connect web site or go directly to the TIS2WEB site to download updates at any time. This method of communication provides flexibility for updating the card with vehicle calibration data, mid-year and new-model-year vehicle diagnostics and Tech 2 software enhancements. The PCMCIA card is updated by linking the Tech 2 to any approved GM Techline terminal. It also contains the Service Programming System (SPS) application which allows the Tech 2 to program control modules with vehicle calibration data. The PCMCIA card stores diagnostic information intended to diagnose powertrain, body or chassis control modules and related vehicle malfunctions. The Tech 2 provides extensive diagnostic capability through the 32MB PCMCIA card. The CANdi module is fully backward compatible with current Tech 2 functionality and operates transparently when diagnosing non-CAN-equipped vehicles. The CANdi is an in-cable module that works with existing Tech 2 components including the VCI, cables and adapters to add CAN diagnostic capability to the Tech 2 tester. With the addition of the CAN Diagnostic Interface (CANdi) module, Tech 2 will support GM on-board electronic systems for years to come. The Tech 2 supports the changes in the on-board electronic systems for model years 1996 and beyond. The Tech 2 is a powerful, versatile hand-held diagnostic computer, designed to help diagnose and repair today's automotive electronic systems.

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