The steering wheel audio controls on your 2023 Dodge Durango provide convenient access to volume, track, and source changes without taking hands off the wheel. When these controls stop working, the connection between buttons and the Uconnect system needs diagnosis.
Audio Control System
Steering wheel audio buttons send signals through the clock spring to the Uconnect radio system. The buttons may use resistive networks (different resistances for different buttons) or individual switch circuits depending on configuration.
Clock Spring Function
The clock spring (spiral cable) maintains electrical continuity between the rotating steering wheel and fixed vehicle wiring. Clock spring failures affect all steering wheel electrical functions—if audio controls, horn, and other wheel buttons all fail, the clock spring is likely.
Uconnect System Issues
The Uconnect infotainment system must recognize and respond to steering wheel inputs. System glitches, software bugs, or configuration issues can prevent response even when buttons and wiring work correctly. System resets may help.
Individual Button Failures
Individual buttons or button modules can fail from wear or internal faults. If some audio buttons work while others don't, specific switch failure is more likely than system-wide issues.
Wiring and Connections
Connections within the steering wheel, at the clock spring, and to the Uconnect module can develop problems. Corrosion, loose fits, or damaged wiring interrupt the control signal path.
Code B1C16 and Body Control
Code B1C16 relates to steering wheel switch or body control communication issues. This code indicates the system has detected problems with button signal transmission.