DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 96 (Motor Generator Control System (AWD) - Diagnostic Codes (3 Of 5)) >> MOTOR GENERATOR CONTROL SYSTEM (for AWD) >> DTC P0C38-11: DC/DC Converter Temperature Sensor "A" Circuit Short to Ground; DTC P0C38-15: DC/DC Converter Temperature Sensor "A" Circuit Short to Battery or Open; DTC P0C3D-11: DC/DC Converter Temperature Sensor "B" Circuit Short to Ground; DTC P0C3D-15: DC/DC Converter Temperature Sensor "B" Circuit Short to Battery or Open [12/2019 - 11/2023] >> Description

DTC P0C38-11: DC/DC Converter Temperature Sensor "A" Circuit Short to Ground; DTC P0C38-15: DC/DC Converter Temperature Sensor "A" Circuit Short to Battery or Open; DTC P0C3D-11: DC/DC Converter Temperature Sensor "B" Circuit Short to Ground; DTC P0C3D-15: DC/DC Converter Temperature Sensor "B" Circuit Short to Battery or Open [12/2019 - 11/2023]: Description

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

The motor generator control ECU (MG ECU) located in the inverter with converter assembly detects the temperature of the boost converter using the temperature sensor built into the boost converter. The motor generator control ECU (MG ECU) detects malfunctions in the boost converter temperature sensor and its wiring.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0C38-11 DC/DC Converter Temperature Sensor "A" Circuit Short to Ground Short to ground detected in boost converter temperature sensor (upper) signal circuit
(1 trip detection logic)
Inverter with converter assembly Comes on Master Warning:
Comes on
P0C38-15 DC/DC Converter Temperature Sensor "A" Circuit Short to Battery or Open Open or short to +B detected in boost converter temperature sensor (upper) signal circuit
(1 trip detection logic)
Inverter with converter assembly Comes on Master Warning:
Comes on
P0C3D-11 DC/DC Converter Temperature Sensor "B" Circuit Short to Ground Short to ground detected in boost converter temperature sensor (lower) signal circuit
(1 trip detection logic)
Inverter with converter assembly Comes on Master Warning:
Comes on
P0C3D-15 DC/DC Converter Temperature Sensor "B" Circuit Short to Battery or Open Open or short to +B detected in boost converter temperature sensor (lower) signal circuit
(1 trip detection logic)
Inverter with converter assembly Comes on Master Warning:
Comes on
RELATED DATA LIST

DTC No. Data List
P0C38-11 Boosting Converter Temperature (Upper)
P0C38-15
P0C3D-11 Boosting Converter Temperature 1 (Lower)
P0C3D-15