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Home >> Chevrolet >> 2002 >> Impala Base, 3.8 K >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control System >> Diagnostic Information & Procedures >> DTC B1009 >> Conditions for Running the DTC

Conditions for Running the DTC

The module runs the program to detect an EEPROM checksum error after each wake-up. The only requirements are battery positive voltage and ground. This program runs even if the voltage is out of the valid operating range.