Circuit/System Verification

Vehicle in Service Mode, verify no other hybrid/EV battery-related DTCs are set.
- If any hybrid/EV battery-related DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle for hybrid/EV battery diagnostics.
- If no hybrid/EV battery-related DTCs are set
Verify that DTC P0D20, P0D21, P0D22, and P0D23 is not set.
- If DTC P0D21 or P0D23 is set
  Refer to Circuit/System Testing.
- If DTC P0D22 is set
1. Verify that the K114B Hybrid/EV Powertrain Control Module 2 software is up to date.
  - If the software is up to date, refer to Circuit/System Testing.
  - If the software is not up to date
2. Program the K114B Hybrid/EV Powertrain Control Module 2.
3. Verify that DTC P0D22 does not reset.
  - If DTC P0D22 is set, refer to Circuit/System Testing.
  - If DTC P0D22 is not set
4. All OK.
- If DTC P0D21, P0D22, or P0D23 is not set
All OK.