ABS No Comm U0121?

2010 FORD F-150
230,000 MILES • 5.4L • 4WD • AUTOMATIC
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ERICH PETERSON
Hi,
Getting a U0121 ABS no communication error code. I would like to check power and grounds at the ABS control module connector, and was looking for the connector pinout and wiring diagram.

Thanks!
Jun 28, 2026 at 12:54 PM
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