DTC B1252-93: USB Port - No operation: Action
NOTE:
This DTC can only set when routine - USB Interface Self Test (0x602E) - is run and fails
- Refer to the appropriate system wiring diagrams and check the USB circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Connect a known functional USB device to the audio video input/output panel and select this source using the rear seat entertainment remote control. Check the left/right rear seat entertainment screen for a valid signal
- Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new rear seat entertainment control module