LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2013 >> Fusion Titanium, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Except Diesel & Hybrid) - DTC P0600 - P1647 >> DTC P0686: ECM/Pcm Power Relay Control Circuit Low
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

DTC P0686: ECM/Pcm Power Relay Control Circuit Low

DTC P0686: ECM/PCM POWER RELAY CONTROL CIRCUIT LOW

Description:  This DTC sets when the ignition switch position run (ISP-R) circuit indicates the ignition is in the OFF, ACC, or LOCK position, and the amount of time the PCM remains powered through the PCM power relay exceeds a predetermined amount of time.
Possible Causes: 
  • PCMRC circuit short to ground
  • Damaged PCM
Diagnostic Aids:  Ability to communicate with the PCM when the ignition is in the OFF, ACC, or LOCK position indicates a hard fault.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST B .
scientia non olet · About LEMON Manuals