Updating Control Units

NOTE: 

• When updating control units, use the most current version of the HDS software and interface device. Check any official service information website for more information about updating control units.
• High temperature in the motor compartment might cause the motor control module (built into the PCU) to become too hot to run the update. If the motor has been running before this procedure, open the hood and cool the motor compartment.

The following control units can be updated.

• Motor control module (built into the PCU)
• Battery condition monitor module