DTC P3000-603: HV Battery Malfunction: Procedure
- CHECK DTC OUTPUT (HV)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
- Check if DTCs are output.
Result
DTCs other than P3000-603 are output.
YES → GO TO DTC CHART
NO: Go to next step
- REPLACE HYBRID VEHICLE CONTROL ECU
- Replace the hybrid vehicle control ECU. Refer to COMPONENTS
.
HINT:
If DTC P3000-603 is output, replace the HV battery. This code indicates that an HV battery cooling system problem exists, and this problem will result in deterioration of the battery due to high temperatures.
NEXT → See step 3
- Replace the hybrid vehicle control ECU. Refer to COMPONENTS
.
- REPLACE HV BATTERY ASSEMBLY. Refer to COMPONENTS