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Home >> GMC >> 2000 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Anti-Theft System - Escalade, Express, Pickup, SAVANA, TAHOE & YUKON DENALI >> Operation >> Content Theft Deterrent System >> Alarm

Content Theft Deterrent System: Alarm

If BCM receives an open door input, horns and lights will alternate on and off for two minutes, unless BCM receives an unlock command. If two minutes elapses, CTD system will return to armed mode. If VCM/PCM receives a valid Passlock™ ignition key rotation while in alarm mode, CTD system will return to off mode.