P0AE9 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0AE9 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0AE9 code.

OBD II Fault Code

• OBD II P0AE9

OBD-II Code High voltage control module failure is defined as a Hybrid Battery Temperature Sensor "D" Range/Performance

The hybrid battery pack uses multiple sensors to monitor the temperature of each battery cell. If one of the battery temperature sensors reports an implausible temperature, code P0AE9 will set.If multiple sensors fail, the High Voltage System may be disabled.

Common Problems That Trigger the P0AE9 Code

• Battery Control Module Failure
• High voltage battery assembly failure
• High voltage control module failure