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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Data Communications >> Diagnostic Information and Procedures >> DTC B1009 >> Conditions for Running the DTC

Conditions for Running the DTC

The control module runs the program to detect an EEPROM checksum error after each wake-up. The only requirements are battery positive voltage and ground.