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Navigation System Module Diagnostic Trouble Code (DTC) Index

WARNING: This page is about a different car, the 2004 Lincoln Aviator. However, it is still accessible from the selected car via links, so may be relevant.
NAVIGATION SYSTEM MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX

DTC Description Source Action
B2103 Antenna Not Connected Navigation System Module Go To PINPOINT TEST B .
B2403 Audio CDDJ Internal Fault Navigation System Module REMOVE the audio unit and SEND it to an authorized audio system repair facility. TEST the system for normal operation.
B2404 Audio Steering Wheel Switch Circuit Fault Navigation System Module Go To PINPOINT TEST F 
B2913 Subwoofer Not Connected Navigation System Module Go To PINPOINT TEST L .
U2003 Audio Compact Disc/Disc Jockey is Not Responding Navigation System Module Not applicable. The vehicle is not equipped with CD/DJ.
U2005 Rear Integrated Control Panel Unit is Not Responding Navigation System Module Not applicable. The vehicle is not equipped with rear integrated control panel.
U2026 Family Entertainment System Not Responding Navigation System Module Go To PINPOINT TEST H .