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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (P-HEV Drive Motor System (Diagnostics)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P3153-1D: Dc/Dc Converter Current Sensor Circuit Current Out Of Range >> General Description >> Malfunction Description

Malfunction Description

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This DTC is stored if the value of the reactor current sensor fluctuates excessively. The cause of this malfunction may be one of the following:

Part Main trouble contents
Transmission assembly
  • Short or open circuit of motor and generator coils
  • Malfunction inside motor and generator (damages caused by iron powder and foreign matter)
Resolver Open or short circuit of Motor resolver or GENERATOR RESOLVER CIRCUIT
Inverter
  • Inverter inner circuit malfunction
  • Malfunction of unit that controls inverter
  • Inverter controlling sensor malfunction (current sensor, voltage sensor (VH and VL), etc.)
HV battery system Open circuit of frame wire