Circuit/System Testing

Ignition On.
Verify DTC P0AA6 is not set.
- If the DTC is set
  Refer to: DTC P0AA6 .
- Go to next step: If the DTC is not set
Verify DTC P0A78, P0BFD, P0C01 is not set.
- If any of the DTCs are set
  Refer to: Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If none of the DTCs are set
Verify DTC P1AF0 is not set.
- If the DTC is set
  Refer to: Loss of Isolation on the High Voltage Main Bus .
- Go to next step: If the DTC is not set

NOTE:

A Hybrid/EV Battery Pack with low state of charge may result in a low 12 V battery condition and possible vehicle stall. Always perform the recovery procedure before returning the vehicle to the customer.

Read the Hybrid/EV Battery Pack State of Charge parameter using a scan tool.
- If the Hybrid/EV Battery Pack State of Charge is less than 30 percent
  Perform the Hybrid/EV Battery Low State of Charge Recovery .
- Go to next step: If Hybrid/EV Battery Pack State of Charge is 30 percent or greater
All OK.