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Home >> Ford >> 2017 >> Fusion Energi Titanium >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts & Descriptions (Hybrid) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P0687 - ECM/Pcm Power Relay Control Circuit High

P0687 - ECM/Pcm Power Relay Control Circuit High

P0687 - ECM/PCM POWER RELAY CONTROL CIRCUIT HIGH

Description:  This DTC sets when the PCM power relay is commanded ON and the PCMRC circuit voltage exceeds a calibrated value.
Possible Causes: 
  • PCMRC circuit short to voltage
  • Damaged PCM
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test B .
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