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Home >> Lexus >> 2009 >> LS 600hL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (Diagnostic Codes (P0A10-592 - P0A7A-322)) >> Hybrid Control System >> DTC P0A38-257: Generator Temperature Sensor Circuit Low; DTC P0A39-259: Generator Temperature Sensor Circuit High >> Description

DTC P0A38-257: Generator Temperature Sensor Circuit Low; DTC P0A39-259: Generator Temperature Sensor Circuit High: Description

Refer to the description for DTC P0A2C-247. Refer to DESCRIPTION .

DTC No. INF Code DTC Detection Condition Trouble Area
P0A38 257 Short to GND in the generator temperature sensor circuit
  • Wire harness or connector
  • Hybrid vehicle control ECU
  • Hybrid vehicle transmission assembly
P0A39 259 Open or short to +B in the generator temperature sensor circuit

HINT: 

After confirming that DTC P0A38-257 or P0A39-259 is output, use the Techstream to check "Motor Temp No2" in the HV ECU data list.

Displayed Temperature Malfunction
-58°F (-50°C) Open circuit or short to +B
401°F (205°C) Short to GND