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Home >> Subaru >> 2021 >> Crosstrek Hybrid >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> P-HEV Drive Motor System (Diagnostics) (2 Of 3) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0A7A-9E: Generator Inverter Stuck On >> General Description >> Malfunction Description

Malfunction Description

This indicates that large current flew to the generator converter. The following cases are assumed to be causes of this symptom.

Part Main trouble contents
Transmission assembly
  • Short or open circuit of generator coil
  • Malfunction inside generator (damages caused by iron powder and foreign matter)
Resolver Open or short circuit of Generator resolver
Inverter
  • Inverter inner circuit malfunction
  • Malfunction of control module that controls inverter
  • Inverter controlling sensor malfunction (current sensor, voltage sensor (VH and VL), etc.)
Cooling System
  • Malfunction of Inverter water pump
  • Leakage of coolant
  • Freezing of coolant
  • Clogging in coolant passage