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So recently purchased a 2013 Ford F250 that has 250k miles with a recent motor swap that had 140k miles. When we got it, it had a Service Advancetrac Wrench but started and drove without issue 2 hours home. We replaced a broken clockspring in the steering wheel and still have a Service Wrench and airbag light. Hooked up to Forscan and the absolute only code that came back was a U210B (lost communications fuel pump control module to rcm). So far I have checked the fpcm on the frame rail (wiring, ground looked good), checked fuses and relays, and located the RCM under the center console. So can anyone help in what voltages I am looking for at what connectors to find a broken wire that I am guessing is the culprit or if there are other test I can make to find this issue? (also is this an accurate wiring diagram?)
