Code Enable Criteria
WARNING: This page is about a different car, the 2001 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.
The following must occur for DTC to run:
- Control module runs a program to detect a write error when ever it writes to EEPROM. Only requirements are voltage and ground. This program runs even if voltage is out of valid operating range.