DTC Troubleshooting

DTC Troubleshooting: P0B11 (116)

DTC P0B11:

Battery Current Sensor 2 Circuit High Voltage

NOTE:

- Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information Initial Inspection and Diagnostic Overview.
- If the DTC cannot be cleared, do the troubleshooting for DTC U1204.

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS.

3. Start the engine.

4. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P0B11 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time.

5. Turn the ignition switch to LOCK (0).

6. Turn the battery module switch OFF.

7. Remove the IPU cover IPU Cover Removal/Installation.

8. Remove the PCU lid, the PCU busplate, and the PCU cover Service and Repair.

9. Disconnect MCM connector B (24P).

10. Turn the ignition switch to ON (II).

11. Measure the voltage between body ground and MCM connector terminal B12.





Is there 4.95 V or more?

YES -

Repair a short to power in the wire between the battery current sensor and the MCM (B12), then go to step 14.

NO -

Go to step 12.

12. Clear the DTC with the HDS.

13. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P0B11 indicated?

YES -

Go to step 21.

NO -

Replace the battery module Service and Repair, then go to step 14.

14. Reconnect all connectors.

15. Reinstall the PCU cover, the PCU busplate, and the PCU lid Service and Repair.

16. Reinstall the IPU cover IPU Cover Removal/Installation, then turn the battery module switch ON.

17. Turn the ignition switch to ON (II).

18. Clear the DTC with the HDS.

19. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P0B11 indicated?

YES -

Go to step 1.

NO -

Go to step 20.

20. Monitor the OBD STATUS for DTC P0B11 in the DTCs MENU with the HDS.

Does the HDS indicate PASSED?

YES -

Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 19, go to the indicated DTC's troubleshooting.

NO -

If the HDS indicates FAILED, go to step 1. If the HDS indicates NOT COMPLETED, keep the ignition switch ON (II) until a result comes on.

21. Reconnect all connectors.

22. Reinstall the PCU cover, the PCU busplate, and the PCU lid Service and Repair.

23. Reinstall the IPU cover IPU Cover Removal/Installation, then turn the battery module switch ON.

24. Update the MCM if it does not have the latest software Testing and Inspection, or substitute a known-good MCM.

25. Turn the ignition switch to ON (II).

26. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P0B11 indicated?

YES -

If the MCM was updated, substitute a known-good MCM, and recheck. If the MCM was substituted, go to step 1.

NO -

Go to step 27.

27. Monitor the OBD STATUS for DTC P0B11 in the DTCs MENU with the HDS.

Does the HDS indicate PASSED?

YES -

If the MCM was updated, troubleshooting is complete. If the MCM was substituted, replace the original MCM Service and Repair. If any other Pending or Confirmed DTCs were indicated in step 26, go to the indicated DTC's troubleshooting.

NO -

- If the HDS indicates FAILED: If the MCM was updated, substitute a known-good MCM, and recheck. If the MCM was substituted, go to step 1.
- If the HDS indicates NOT COMPLETED: Keep the ignition switch ON (II) until a result comes on.