DTC P0ABF-2A: Hybrid/EV Battery Current Sensor "A" Signal Stuck In Range [06/2020 - ]: Procedure

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

CHECK DTC OUTPUT (HV BATTERY, HYBRID CONTROL)

Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Enter the following menus: Powertrain / HV Battery and Hybrid Control / Trouble Codes.

Check for DTCs.

Powertrain > HV Battery > Trouble Codes

Powertrain > Hybrid Control > Trouble Codes

Result

Result	Proceed to
"P0ABF-2A" only is output, or DTCs except the ones in the table below are also output.	A
DTCs of hybrid battery system in the table below are output.	B
DTCs of hybrid control system in the table below are output.	C

System	Relevant DTC
Hybrid battery system	P060A-47	Hybrid/EV Battery Energy Control Module Monitoring Processor Watchdog / Safety MCU Failure
	P060B-49	Hybrid/EV Battery Energy Control Module A/D Processing Internal Electronic Failure
	P0606-87	Hybrid/EV Battery Energy Control Module Processor to Monitoring Processor Missing Message
	P0ABF-11	Hybrid/EV Battery Current Sensor "A" Circuit Short to Ground
	P0ABF-15	Hybrid/EV Battery Current Sensor "A" Circuit Short to Auxiliary Battery or Open
	P1CBB-12	Hybrid/EV Battery Current Sensor Power Supply Circuit Short to Auxiliary Battery
	P1CBB-14	Hybrid/EV Battery Current Sensor Power Supply Circuit Short to Ground or Open
Hybrid control system	P0A1F-94	Hybrid/EV Battery Energy Control Module Unexpected Operation

Turn the ignition switch off.

Result:

GO TO DTC CHART (HYBRID BATTERY SYSTEM)

Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2020 - ]

Result:

GO TO DTC CHART (HYBRID CONTROL SYSTEM)

Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2020 - 12/2021] , or refer to DIAGNOSTIC TROUBLE CODE CHART [12/2021 - 11/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2024 - ]

Result:

See step 2

CHECK DTC OUTPUT (HV BATTERY)

Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Enter the following menus: Powertrain / HV Battery / Trouble Codes.

Check for DTCs.

Powertrain > HV Battery > Trouble Codes

Result

Result	Proceed to
"P1A00-1C or P301A-1C" is not output.	A
"P1A00-1C or P301A-1C" is also output.	B

Turn the ignition switch off.

Result:

GO TO DTC CHART (HYBRID BATTERY SYSTEM)

Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2020 - ]

Result:

See step 3

READ VALUE USING TECHSTREAM

Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
NOTE:
Do not turn the ignition switch to ON (READY).

Enter the following menus: Powertrain / HV Battery / Data List / Hybrid/EV Battery Cell 1 to 70 Voltage.

NOTE:

Select "Hybrid/EV Battery Cell 1 to 70 Voltage" only. (Do not select any other Data List items.)

Powertrain > HV Battery > Data List

Tester Display
Hybrid Battery Cell 1 Voltage
Hybrid Battery Cell 2 Voltage
Hybrid Battery Cell 3 Voltage
Hybrid Battery Cell 4 Voltage
Hybrid Battery Cell 5 Voltage
Hybrid Battery Cell 6 Voltage
Hybrid Battery Cell 7 Voltage
Hybrid Battery Cell 8 Voltage
Hybrid Battery Cell 9 Voltage
Hybrid Battery Cell 10 Voltage
Hybrid Battery Cell 11 Voltage
Hybrid Battery Cell 12 Voltage
Hybrid Battery Cell 13 Voltage
Hybrid Battery Cell 14 Voltage
Hybrid Battery Cell 15 Voltage
Hybrid Battery Cell 16 Voltage
Hybrid Battery Cell 17 Voltage
Hybrid Battery Cell 18 Voltage
Hybrid Battery Cell 19 Voltage
Hybrid Battery Cell 20 Voltage
Hybrid Battery Cell 21 Voltage
Hybrid Battery Cell 22 Voltage
Hybrid Battery Cell 23 Voltage
Hybrid Battery Cell 24 Voltage
Hybrid Battery Cell 25 Voltage
Hybrid Battery Cell 26 Voltage
Hybrid Battery Cell 27 Voltage
Hybrid Battery Cell 28 Voltage
Hybrid Battery Cell 29 Voltage
Hybrid Battery Cell 30 Voltage
Hybrid Battery Cell 31 Voltage
Hybrid Battery Cell 32 Voltage
Hybrid Battery Cell 33 Voltage
Hybrid Battery Cell 34 Voltage
Hybrid Battery Cell 35 Voltage
Hybrid Battery Cell 36 Voltage
Hybrid Battery Cell 37 Voltage
Hybrid Battery Cell 38 Voltage
Hybrid Battery Cell 39 Voltage
Hybrid Battery Cell 40 Voltage
Hybrid Battery Cell 41 Voltage
Hybrid Battery Cell 42 Voltage
Hybrid Battery Cell 43 Voltage
Hybrid Battery Cell 44 Voltage
Hybrid Battery Cell 45 Voltage
Hybrid Battery Cell 46 Voltage
Hybrid Battery Cell 47 Voltage
Hybrid Battery Cell 48 Voltage
Hybrid Battery Cell 49 Voltage
Hybrid Battery Cell 50 Voltage
Hybrid Battery Cell 51 Voltage
Hybrid Battery Cell 52 Voltage
Hybrid Battery Cell 53 Voltage
Hybrid Battery Cell 54 Voltage
Hybrid Battery Cell 55 Voltage
Hybrid Battery Cell 56 Voltage
Hybrid Battery Cell 57 Voltage
Hybrid Battery Cell 58 Voltage
Hybrid Battery Cell 59 Voltage
Hybrid Battery Cell 60 Voltage
Hybrid Battery Cell 61 Voltage
Hybrid Battery Cell 62 Voltage
Hybrid Battery Cell 63 Voltage
Hybrid Battery Cell 64 Voltage
Hybrid Battery Cell 65 Voltage
Hybrid Battery Cell 66 Voltage
Hybrid Battery Cell 67 Voltage
Hybrid Battery Cell 68 Voltage
Hybrid Battery Cell 69 Voltage
Hybrid Battery Cell 70 Voltage

Check the voltage of each "Battery Cell Vol" of "Hybrid/EV Battery Cell 1 to 70 Voltage" in the Data List with the ignition switch ON.

Specified Condition

Any "Hybrid/EV Battery Cell Voltage" changes by 0.05 V or more, 60 seconds after the ignition switch is turned to ON. (The difference between the maximum and minimum voltage is 0.05 V or more.)

Result

Result	Proceed to
The change in voltage of any "Hybrid/EV Battery Cell Voltage" is 0.05 V or more.	A
Other than above	B

Turn the ignition switch off.

Result:

REPLACE BATTERY ECU ASSEMBLY

Refer to REMOVAL [06/2020 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

Result:

REPLACE HV BATTERY JUNCTION BLOCK ASSEMBLY

Refer to REMOVAL [06/2020 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]