× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

B1681 Diagnostic Trouble Code Discussion for August 2025

PATS Receiver Module Signal Not Received


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC B1681
Help Request Posted
2001 Ford Ranger Edge 4.0L No Start VIN: 1FTYR14E91
B1681: PATS signal not received. Got this 2001 Ranger with a B1681 PATS signal not received. When I scope the wires at PATS transceiver I have power and ground, no signal coming to transceiver on grey/orange wire from pcm but I have a signal going to pcm from transceiver on white/green wi...
August 02, 2025