LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System And Navigation System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC B1277: Microphone 1 Input Signal Circuit (IO6 with CW1) >> Conditions for Setting the DTC
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Conditions for Setting the DTC

B1277 02 

The Navigation control module detects an short to ground in the cellular phone microphone high signal circuit.

B1277 04 

The following conditions will set this DTC:

scientia non olet · About LEMON Manuals