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Home >> Ford >> 2016 >> Fusion Energi Titanium >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts & Descriptions (Hybrid) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P05C9 - Economy Mode Switch Low

P05C9 - Economy Mode Switch Low

DTC DESCRIPTION P05C9 - ECONOMY MODE SWITCH LOW

Description:  This DTC sets when the TCM detects low voltage in the EVM circuit.
Possible Causes: 
  • EVM circuit short to ground
  • Stuck ECO mode switch
  • Damaged ECO mode switch
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test TR .