Cadillac Display Backlight / Power Issue

Charger display is on but is very dim, flickering, or unreadable; charging may still function.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Aging or failed backlight LEDs, Loose display power connector, Voltage drop in HMI power supply, Moisture damage to display

Safety first: Turn OFF the breaker before pressing firmly on or around the display.

Steps to try:

Power cycle: Turn the breaker OFF for 2 minutes, then ON, and observe if the display returns to normal brightness.
Use app: If available, use the Cadillac app to monitor charger status while arranging service.

When to call a technician: A dim or flickering display usually requires replacement of the display module or front panel assembly.

Medium 3/5

Cadillac EVSE Display / HMI Module

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