DTC P0A2F
DTC P0A2F: Traction Motor Over Temperature
General Description
The traction motor is cooled by an automatic transmission fluid (ATF)-based oil cooling system and the motor control module obtains traction motor temperature signal to monitor whether the temperature is normal. The motor control module detects a malfunction and stores a DTC when the traction motor temperature is abnormally high for the prescribed time or more.
Monitor Execution, Sequence, Duration, DTC Type
| Execution | Continuous |
| Sequence | None |
| Duration | 3 seconds or more |
| DTC Type | One drive cycle, MIL on, POWER SYSTEM indicator on |
Enable Conditions
| Condition | ||
|---|---|---|
| Vehicle | ON mode | |
Malfunction Threshold
The traction motor temperature is more than 364 deg.F (184 deg.C) for at least 3 seconds.
Possible Cause
NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
- ATF cooler pipe clogged
- ATF cooler pipe leak
- ATF cooler failure
- ATF pump failure
- Traction motor temperature sensor failure
- PCU internal failure
Diagnosis Details
Conditions for setting the DTC
When a malfunction is detected, the MIL comes on and a Pending DTC, a Confirmed DTC, and the freeze data are stored in the motor control module memory.
Conditions for clearing the DTC
The MIL is cleared if the malfunction does not return in three consecutive trips in which the diagnostic runs. The MIL, the Pending DTC, the Confirmed DTC, and the freeze data can be cleared with the scan tool Clear command.