Body Computer Diagnostic Trouble Codes
Complete list of Body computer DTC codes with free diagnostic guides.
Below you'll find every known DTC code for the Body Computer subsystem with step-by-step diagnostic and repair instructions. 1 guide is 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
B1342 The B1342 code signals an internal hardware fault inside the Body Control Module... medium 30‑60 minutes About Body Computer Trouble Codes
Body computer diagnostic trouble codes are triggered when the vehicle's onboard computer detects a malfunction in the computer 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.