Conditions for Running the DTC
WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
- Critical operational parameters stored in EEPROM have failed Checksum test indicating invalid data.
- Masked ROM code has failed Checksum test indicating that masked ROM data is not valid.
- ROM code has failed Checksum test indicating that ROM data is not valid.
- One or more ROM locations have failed operational test indicating that some portions of RAM are not functional.