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Home >> Toyota >> 2012 >> Highlander Hybrid >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control System (Diagnostic Codes (P0A7A-122 - P0AC0-817) (Hybrid) >> Hybrid Control System >> DTC P0A94-550: DC / DC Converter Performance; DTC P0A94-564: DC / DC Converter Performance >> Monitor Description

Monitor Description

If the boost converter detects a circuit malfunction, it will transmit a boost converter overvoltage signal to the MG ECU. Upon receiving this signal, the hybrid vehicle control ECU will illuminate the MIL and set a DTC.