Service Programming System: Notes
After replacing PCM or if program needs to be updated, refer to latest Techline information on PCM reprogramming. Before programming a PCM, the following must be observed, or PCM damage may occur:
- The Tech 2 and the terminal must have the latest software.
- The vehicle battery must be fully charged. The battery voltage should be 12-14 volts.
- The Tech 2 and the terminal cable connections must be secure.
- A battery charger must NOT be connected to the battery when programming a PCM.