MKII - Black Screen and Backlight is On

Truck ignition is on, all monitors are showing black screen, but the backlight is on.

Symptoms and perceived side effects

Truck ignition is on, other accessories and the Instrument cluster are working as expected, but all monitors are showing black screen and backlight on.

Troubleshooting and possible resolution steps

1. Turn ignition OFF, wait for system to power down completely (wait 2 minutes for power down).
2. Check if monitors connections are properly connected
   1. Disconnect and reconnect and listen for a "click" to ensure properly connected
3. Turn ignition ON and check to see if screens turn on correctly.
   
4. If the black screen with backlight issue persists, then perform the following diagnostic tests:
   1. Check the vehicles battery condition and connections per OE guidelines
   2. Check the Passenger Side, Driver Side and Class V camera coaxial connections ensuring connections are properly seated.
      1. Disconnect and reconnect and listen for a "click" to ensure properly connected
   3. Check the Passenger Side, Driver Side and Class V Coaxial Cables are properly seated at the ECU
      1. Disconnect and reconnect and listen for a "click" to ensure properly connected
5. Ensure there are no pinched / bent / damaged wires or loose connection. If damaged wires were detected, contact customer service for support.
                                         
6. If the issue persists, Contact the MirrorEye Technical support team by calling 888-624-4474

Related Events

1. Driver main camera 35V POC short-circuit
2. Passenger main camera 35V POC short-circuit
3. Driver backup camera 35V POC short-circuit
4. Passenger backup camera 35V POC short-circuit
5. Class V camera 35V POC short-circuit
6. Driver's monitor Heartbeat timeout
7. Passenger's monitor Heartbeat timeout
8. Class V's monitor Heartbeat timeout

Published  12/2025   Revised  xx/xxxx