P0A05

Motor Electronics Coolant Pump "A" Control Circuit/Open

DTC P0A05, sometimes indicated as P0A0500 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the causing motor electronics coolant pump "a" control circuit/open.

  • P0A05: Motor Electronics Coolant Pump "A" Control Circuit/Open
  • P0A05: Voltage converter coolant pump control A – open circuit
  • P0A05 00: Voltage converter coolant pump control A - open circuit

DTC Trouble Code Search
Consumer Complaints for this DTC


2006 TOYOTA HIGHLANDER HYBRID with 71893.0 miles

Engine mechanical ~|~check and report...Check engine light and vsc light on dash, ,,car lost power while driving, had to pull over and get the vehicle towed in to the dealership... ~|~tech pulled code P0A05,P0A08,P0A93, ...Found inverter pump not working properly ~|~replaced inverter water pump
ELECTRICAL SYSTEM, ENGINE FUEL/PROPULSION SYSTEM

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