Fault Code Lookup

HVAC Sales Master
Configuration Menu
Outdoor CDA configuration/setup menu
This code typically points to

    Next checks to confirm
    1. Service-only menu for outdoor configuration

    Escalation
    None
    Reset behavior
    Menu label.
    Informational
    No action needed
    Deeper detail available
    The manufacturer has pushed full per-code troubleshooting trees into the Trane Technician app. Use the app for subcode detail beyond what's shown here.
    Source
    Trane XV20i/XV18 installer/service documentation