DTC P1D7B (343)

DTC P1D7B  : Reactor Over Temperature (Traction Motor Control Module Detected)

NOTE:  Before you troubleshoot, review the general troubleshooting information .

DTC (Electric Powertrain)

1. DTC check

   -1. Turn the vehicle to the ON mode.

   -2. Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC	Freeze Frame
   P1D92 PCU Electric Coolant Pump Control Circuit
   P1D9A PCU Electric Coolant Pump Circuit

   Is DTC P1D92 or P1D9A indicated?

   YES 

   Go to the indicated DTC's troubleshooting.

   NO 

   Go to step 2.

2. Problem verification

   -1. Test-drive the vehicle in the range of the recorded freeze data parameters.

   Freeze Data

   -2. Monitor the OBD STATUS for DTC P1D7B in the DTCs MENU with the HDS.

   DTC Description	OBD STATUS
   P1D7B Reactor Over Temperature (Traction Motor Control Module Detected)

   Does the HDS indicate FAILED?

   YES 

   Go to step 3.

   NO 

   If the HDS indicates PASSED, the system is OK at this time but has an intermittent failure. If the HDS indicates NOT COMPLETED, keep test-driving until an indication comes on. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.

3. PCU coolant circuit check

   -1. Do the PCU coolant circuit inspection .

   Is it OK?

   YES 

   Check the cooling fan operation. If it is OK, replace the PCU .

   NO 

   Repair or replace parts as needed.