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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 P3110-223: IGCT Relay Malfunction >> Description

DTC P3110-223: IGCT Relay Malfunction: Description

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The hybrid vehicle control ECU monitors the IGCT MAIN relay and detects the following malfunction.

DTC No. INF Code DTC Detection Condition Trouble Area
P3110 223 There is a short to +B in the IGCT MAIN relay or the IGCT MAIN relay is stuck closed.
  • Wire harness or connector
  • IGCT MAIN relay
  • Hybrid vehicle control ECU