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Home >> Chevrolet >> 2000 >> Astro Van Cargo, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 4.3L >> Diagnostic Tests >> DTC P1621: Control Module Long Term Memory Performance >> Notes

DTC P1621: Control Module Long Term Memory Performance: Notes

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NOTE: For circuit reference, see WIRING DIAGRAMS article.