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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 231 (Engine Controls - Powertrain DTC Charts & Descriptions - (Hybrid)) >> DTC Diagnosis >> DTC P0A08: Dc/Dc Converter Fault (DCF) Circuit Open

DTC P0A08: Dc/Dc Converter Fault (DCF) Circuit Open

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P0A08 - DC/DC CONVERTER FAULT (DCF) CIRCUIT OPEN

Description:  This DTC indicates the DC to DC converter has DCF circuit concerns, experienced an over temperature condition with the low motor electronics coolant temperature (MECT), open 12-volt outputs, high voltage power supply issues, or internal issues.
Possible Causes: 
  • Damaged DC/DC converter.
  • Damaged DC/DC harness.
  • High voltage input.
  • DC to DC cooling system issues.
  • Low voltage output to the VBAT.
Diagnostic Aids  :
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HH .