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P1636 on the 2011 Ford Mustang

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name P1636
ASI-322522013-10-25. Service bulletin. LINCOLN/FORD: ON CERTAIN VEHICLES AND TRUCKS, THE MULTIFUNCTION INDICATOR LAMP (MIL), WILL ILLUMINATE WITH DIAGNOSTIC TROUBLE CODE (DTC) P1636 (INDUCTIVE SIGNATURE CHIP COMMUNICATION ERROR) PRESENT IN PCM OR TCM. MODELS 2011-2013 F-150 EXPEDITION, NAVIGATOR, F-SUPER DUTY, 2010-2014 MUSTANG. *PE

1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.