Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Ford >> 2018 >> Transit-150 Base, 3.2L Eng VIN V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts & Descriptions (Diesel) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P0685 - ECM/Pcm Power Relay Control Circuit/Open

DTC P0685 - ECM/Pcm Power Relay Control Circuit/Open

P0685 - ECM/PCM POWER RELAY CONTROL CIRCUIT/OPEN

Description:  This DTC sets when the 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 open
  • PCMRC circuit short to voltage
  • Damaged PCM power relay
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST AJ .