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Home >> Cadillac >> 1998 >> Catera >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P0602 - ECM Not Programmed >> Circuit Description
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Circuit Description

This DTC indicates that ECM's internal EEPROM has not been flashed with any vehicle software, or an error occurred during programming.

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