Immobilizer System (626): Notes
WARNING: This page does not describe the selected car, but rather 162 other vehicles, including the 2001 Volvo V70, 2001 Volvo V40, 2001 Volvo S80, 2001 Volvo S60, and 2001 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
A valid key must be available when replacing PCM or immobilizer unit, or both components must be replaced. When replacing an immobilizer system component, all working keys need to be reprogrammed into system. Replacing PCM or immobilizer unit will erase previously programmed keys.