DTC P3000-603: HV Battery Malfunction: Procedure

CHECK DTC OUTPUT (HYBRID CONTROL)

Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

Check if DTCs are output.

Result

Result	Proceed to
P3000-603 only is output.	A
DTCs other than P3000-603 are also output.	B

Turn the power switch off.

B → See step 4

A: Go to next step

REPLACE POWER MANAGEMENT CONTROL ECU
Refer to COMPONENTS

NEXT → See step 3
REPLACE HV BATTERY. Refer to COMPONENTS
GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to DIAGNOSTIC TROUBLE CODE CHART