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Home >> Buick >> 2000 >> Regal LS >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P0602: Control Module Not Programmed >> Circuit Description
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Circuit Description

PCM uses an Electrically Erasable Programmable Read Only Memory (EEPROM). EEPROM contains program information and calibrations required for engine, transaxle, and powertrain diagnostics operation. If PCM does not contain correct program(s) required to operate vehicle, DTC will set.

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