DTC P0A38-257 Generator Temperature Sensor Circuit Low; DTC P0A39-259 Generator Temperature Sensor Circuit High: Description
WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.
Refer to the circuit description for DTC P0A2C-247 .
DTC DETECTION TROUBLE CONDITION
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0A38 | 257 | GND short in generator temperature sensor circuit |
|
| P0A39 | 259 | Open or +B short in generator temperature sensor circuit |
|
HINT:
After confirming that DTC P0A38-257 or P0A39-259 is output, use the intelligent tester to check "MOTOR 1 TEMP" in the HV system ECU data list.
GENERATOR TEMPERATURE SENSOR CIRCUIT
| Displayed Temperature | Malfunction |
|---|---|
| -50°C | Open or +B short circuit |
| 205°C | GND short |