Diagnostic Starting Point - Accessory Delay Module

DIAGNOSTIC STARTING POINT - ACCESSORY DELAY MODULE

Begin the system diagnosis with the Diagnostic System Check - Accessory Delay Module. The Diagnostic System Check will provide the following
information:
- Class 2 communication status
- "U" codes which indicate module communication or circuit failure
- "B" codes which indicate a possible body function or circuit failure
- The status of any "U" or "B" codes