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Home >> Chevrolet >> 2000 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Anti-Theft System - Escalade, Express, Pickup, SAVANA, TAHOE & YUKON DENALI >> Diagnostic Tests >> DTC C0559: EEPROM Checksum Error >> Diagnostic Procedure

Diagnostic Procedure

Turn ignition off. Replace Passlock™ module. See PASSLOCK™ MODULE  under REMOVAL & INSTALLATION. Reconnect all connectors and components. Turn ignition on. Using scan tool, clear all DTCs. Perform reprogramming procedure. See PROGRAMMING .