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Pinpoint Tests: Notes

Pinpoint Test J: DTC U0140:87 

Diagnostic Overview 

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.

Normal Operation and Fault Conditions 

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0140:87 Lost Communication With Body Control Module: Missing Message Sets in the RFA module if more than 10 ignition position messages are missing from the BCM.

Possible Sources