Code Enable Criteria

If transponder value from ignition key does not match one stored in memory, theft deterrent control module sets this DTC. This DTC indicates use of a key with a transponder value that has not been learned by theft deterrent control module. Theft deterrent control system considers this to be a theft attempt. Microprocessor runs program to detect a check sum error after each power up. This program runs only if DTC B1982 or B1983 are not set as a current DTCs.