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Home >> Lexus >> 2006 >> RX 400h AWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (P310) - RX400H - DTC P0336-137 Through P0A32-666 >> DTC P0A1B-788 Drive Motor "A" Control Module >> Description

DTC P0A1B-788 Drive Motor "A" Control Module: Description

If the MG ECU is reset due to an auxiliary battery voltage drop or abnormality, the HV control ECU will detect this DTC.

DTC DETECTION TROUBLE CONDITION

DTC No. INF Code DTC Detection Condition Trouble Area
P0A1B 788 Error in reset signal from the power source IC
  • Auxiliary battery voltage
  • Wire harness or connector
  • w/ converter inverter assembly (MG ECU)