A secondary characteristic of these lookup routines is that they tend to have lots of interpolation math. Except for the first two, the characters have a one-to-one relationship.

What may be a TCU to one manufacturer is a TCM to another, yet both electronic controllers perform the same or extremely similar functions. When reversing a circuit board, first look at the model numbers of the microcontroller chips on the board. Hidden categories:

Dave Blundell accelbydave gmail. Enter this VIN into Google, and you should see detailed information about this vehicle, which was taken from an ECU pulled from a wrecked car found in a junkyard.