EEPROM Checksum Error
WARNING: This page is about a different car, the 2002 Dodge Grand Caravan, 2002 Dodge Caravan, 2002 Chrysler Voyager, and 2002 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
After making any repairs, perform BODY VERIFICATION TEST under VERIFICATION TESTS.
Turn ignition switch to ON position. Using scan tool, check for ATC module DTC/fault messages present. If EEPROM CHECKSUM ERROR is present, replace ATC module. Calibrate ATC module and actuators. See HVAC CONTROL CALIBRATION under PROGRAMMING.