0xD90103 Foot Brake Module-Voltage Above Normal, Or Shorted To High Source
â–¶ How to fix
Action: Check and repair the cables and connectors between central ECU and dFBM. If the problem still persists replace the dFBM. If error still occur replace central ECU.
What you'll see
Symptom:
System reaction
SystemReaction: All user functions are off. Yellow EBS Warning Lamp.
Diagnostic depth
Detection
Detection: The failure is reported if the communication from the ECU to the dFBM (S2) is disturbed or the power down process of FBM does not work properly.
Possible cause
Cause: The communication line is shorted to Ubatt The communication line is cut External electrical excitation or noise Electromagnetic disturbance damage of the dFBM Damage of the central ECU