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Home >> Toyota >> 2012 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 115 (Hybrid Vehicle Control System (Diagnostic Codes (P0ADB-227 - U0424-537) & Circuit Tests)) (Hybrid)) >> Hybrid Control System >> DTC P0C73-776: Motor Electronics Coolant Pump "A" Control Performance >> Description

DTC P0C73-776: Motor Electronics Coolant Pump "A" Control Performance: Description

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The inverter water pump assembly (w/ motor) transmits rotation speed information to the hybrid vehicle control ECU. The hybrid vehicle control ECU monitors the speed and detects malfunctions.

DTC No. INF Code DTC Detection Condition Trouble Area
P0C73 776 A speed or intermittent stop malfunction occurs in the inverter water pump assembly (w/ motor).
  • Inverter cooling system
  • Wire harness or connector
  • Inverter water pump assembly (w/ motor)
  • Hybrid vehicle control ECU