B127E Code: Meaning, Causes, and Symptoms | OBD2 Codes
B127E – Front Video Display
B127E Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B127E Possible Causes
Faulty Front Video Display,Front Video Display harness is open or shorted,Front Video Display circuit poor electrical connection,Faulty Human Machine Interface Control Module
The infotainment display and controls are a separate component from the radio, combined into an assembly. The assembly is supplied battery voltage and ground from the vehicle harness. The Human Machine Interface Control Module communicates digital video data for on-screen display through a dedicated cable containing the LVDS data circuits. Control information, touch communications and dimming level for the display are communicated via a LIN serial data circuit to the Human Machine Interface Control Module. If the Human Machine Interface Control Module detects the display is not responding to the output on the LVDS circuits, the Human Machine Interface Control Module sets the Diagnostic Trouble Code (DTC).