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Home >> Chevrolet >> 2001 >> Metro >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 1.3L >> Diagnostic Tests >> DTC P0603: Control Module Long Term Memory Reset >> Diagnostic Aids

Diagnostic Aids

Check PCM for water contamination. Water contamination could cause damage and corrosion to circuit boards and internal components. Repair source of water contamination before PCM replacement.