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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 73 (Motor Generator Control System (AWD) - Diagnostic Codes (4 Of 5)) >> MOTOR GENERATOR CONTROL SYSTEM (for AWD) >> DTC P0E57-17: DC/DC Converter Voltage Sensor "A" (VL) Circuit Voltage Above Threshold [12/2019 - 11/2023] >> Description

DTC P0E57-17: DC/DC Converter Voltage Sensor "A" (VL) Circuit Voltage Above Threshold [12/2019 - 11/2023]: Description

WARNING: This page is about a different variant/trim than selected.

For a description of the boost converter.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0E57-17 DC/DC Converter Voltage Sensor "A" (VL) Circuit Voltage Above Threshold Boost converter overvoltage signal detected (overvoltage due to system malfunction):
Overvoltage is detected before boosting.
A malfunction is detected in any of the boost converter components (inverter, hybrid vehicle transaxle assembly, motor generator control ECU, etc.).
(1 trip detection logic)
  • Inverter with converter assembly
  • Motor cable
  • HV floor under wire
  • Hybrid vehicle transaxle assembly
  • Rear traction motor with transaxle assembly
  • No. 1 traction battery device box assembly
  • PCU fuse
  • Service plug grip
  • Hybrid vehicle control ECU
  • Wire harness or connector
 Comes on Master Warning:
Comes on
RELATED DATA LIST

DTC No. Data List
P0E57-17
  • Emergency Shutdown Signal
  • VL Voltage
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