Body Security Diagnostic Trouble Codes
Complete list of Body security DTC codes with free diagnostic guides.
Below you'll find every known DTC code for the Body Security subsystem with step-by-step diagnostic and repair instructions. 2 guides are available — covering causes, symptoms, and repair costs. Use the table to find your specific code, or browse our full Body DTC code library for other subsystems.
DTC Code Meaning Severity Time
B1600 The B1600 code indicates that the Passive Anti-Theft System (PATS) has received ... low 30-60 minutes B2799 The B2799 code tells the vehicle’s control module that the immobilizer (anti‑the... medium 30-60 minutes About Body Security Trouble Codes
Body security diagnostic trouble codes are triggered when the vehicle's onboard computer detects a malfunction in the security subsystem. These codes help you quickly identify the problem without visiting a dealership. Our guides walk you through each DTC code with step-by-step diagnostic procedures, tools needed, and when to call a professional mechanic.