Tech line summary article - Can?t get past this screen when adding keys with the Immobilizer Setup Tool in the i-HDS? "Tester is not communicating with immobilizer unit". Here?s an easy workaround to restore communication.
1. Release the built-in key from the keyless access remote.
2. Remove the ignition switch cover. To do this, just insert the key into the slot in the bottom of the cover, push the key
all the way in, then pull out on the cover and the key.
3. Insert the key into the ignition switch, then turn it to ON.
4. Select OK on the i-HDS screen to continue.