DTC P3000-603: HV Battery Malfunction: Procedure

WARNING: This page is about a different variant/trim than selected.

CHECK DTC OUTPUT (HV)
1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
4. Check if DTCs are output.
  Result
  
  DTCs other than P3000-603 are output.
YES → GO TO DIAGNOSTIC TROUBLE CODE CHART DTC CHART

NO: Go to next step
REPLACE HYBRID VEHICLE CONTROL ECU
1. Replace the hybrid vehicle control ECU. Refer to REMOVAL .
NEXT: Go to next step
CLEAR DTC
1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
4. Check if DTCs are output.
  Result
  
  DTC P0A09-591 is output.
NEXT: Go to next step
RECONFIRM DTC OUTPUT (HV)
1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
4. Check if DTCs are output.
  Result
  
  DTCs other than P3000-603 are output.
YES → See step 5

NO → COMPLETED
REPLACE HV BATTERY ASSEMBLY. Refer to REMOVAL