Answers
Feb 22, 2024 - 10:31 PM
If you're experiencing a lack of power to port #31 (rear running lights and license plate light) on the BCM, and replacing the fuse and performing a battery reset did not resolve the issue, consider checking for wiring issues, inspecting the BCM connector, scanning for diagnostic trouble codes, and attempting a BCM reset procedure. Hope this helps!
Feb 23, 2024 - 09:27 AM
Hi there,
The # port 31 no-power issue on the BCM is for the rear running lights and license plate light. If you have already tried a reset procedure replacing a fuse and doing a battery reset, but if the problem persist, here are other troubleshooting steps to do:
1. Inspect the wiring harness connected to port # 31 for any physical damage, corrosion, or loose connections. Check the entire length of the wiring, especially on the bend and flexing areas.
2. Check the wiring connectors of the BCM responsible for port # 31 for loose socket connectors or pushed-out pin terminals.
3. Refer to vehicle-specific service manuals or consult online forums dedicated to the Ford F150 model and year to find answers or additional details referring to port # 31 for the rear lighting and license plate.
I hope this helps!
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