DTC P0C30-00: Hybrid/EV Battery State of Charge High [10/2018 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Check for DTCs.

   Powertrain > Hybrid Control > Trouble Codes 

   Result

   Result	Proceed to
   P0C3000 only is output.	A
   DTCs except P0C3000 are output.	B

5. Turn the power switch off.

Result: 

B 

GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2018 - ] 

Result: 

A 

See step  2

Refer to PROCEDURE - Step 2

Result

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY VOLTAGE SENSOR POWER SOURCE CIRCUIT) 

Result: 

OK 

See step  3

Refer to DTC P0ABF-11: Hybrid/EV Battery Current Sensor "A" Circuit Short to Ground; DTC P0ABF15: Hybrid/EV Battery Current Sensor "A" Circuit Short to Auxiliary Battery or Open; DTC P1CBB12: Hybrid/EV Battery Current Sensor Power Supply Circuit Short to Auxiliary Battery; DTC P1CBB14: Hybrid/EV Battery Current Sensor Power Supply Circuit Short to Ground or Open [10/2018 - ]

Result

Result: 

NG 

REPLACE HYBRID BATTERY THERMISTOR. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

Result: 

OK 

See step  4

Refer to PROCEDURE - Step 4

Result

Result: 

NG 

See step  7

Result: 

OK 

See step  5

Refer to PROCEDURE - Step 5

Result

Result: 

NG 

REPLACE HV BATTERY JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

Result: 

OK 

See step  6

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
   NOTE:

   During the inspection, make sure to only turn the power switch on (IG). Do not turn the power switch on (READY).

3. Enter the following menus: Powertrain / Hybrid Control / Data List / Hybrid Battery Current, Hybrid Battery Current for Hybrid Battery Control.

   Powertrain > Hybrid Control > Data List 

   Tester Display
   Hybrid/EV Battery Current
   Hybrid/EV Battery Current for Hybrid/EV Battery Control

4. With the power switch on (IG), monitor Data List item "Hybrid Battery Current" and "Hybrid Battery Current for Hybrid Battery Control" for 1 minute.

   Result

   Result	Proceed to
   The value of Data List item "Hybrid Battery Current" and "Hybrid Battery Current for Hybrid Battery Control" is -0.5 A or less or 0.5 A or more.	A
   Other than above	B

5. Turn the power switch off.

Result: 

A 

REPLACE BATTERY VOLTAGE SENSOR. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

Result: 

B 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

Refer to PROCEDURE - Step 9

Result

Result: 

OK 

REPLACE HV BATTERY JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

Result: 

NG 

REPLACE BATTERY VOLTAGE SENSOR. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ]