I've seen them at $49 USD.
Disconnect the Battery.Put a small amount of Neverseize on the threads and use a tourque wrench. Reconnect the battery and the brainbox will be reset.

2012 Lotus Evora --------- 95 Mystique MTX - GONE 395,000 Kms --------- Both Zetecs '97 Contour Mtx - stock - GONE