DTC P0A81-00: Hybrid/EV Battery Cooling Fan 1 Control Circuit High; DTC P0A81-15: Hybrid/EV Battery Cooling Fan 1 Circuit Short to Auxiliary Battery or Open [12/2018 -]: 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 for DTCs.
Powertrain > Hybrid Control > Trouble Codes
Result
Result Proceed to "P0AFC-00 or P0AFC-96" is not output. A "P0AFC-00 or P0AFC-96" is also output. B - Turn the power switch off.
Result:
B
GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2018 - 08/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2019 - 06/2021] , or refer to DIAGNOSTIC TROUBLE CODE CHART [06/2021 -]
Result:
A
See step 2
- CHECK BATTERY VOLTAGE SENSOR (FREQUENCY)
See step 6
Result
Result Proceed to Difference between the value in the Data List (Hybrid Battery Cooling Fan 1 Frequency) and the actual measured value at the battery voltage sensor connector is 10% or less. A Other than above B Result:
A
REPLACE BATTERY COOLING BLOWER ASSEMBLY. Refer to REMOVAL [11/2015 -]
Result:
B
REPLACE BATTERY VOLTAGE SENSOR. Refer to REMOVAL [12/2018 - 07/2020] , or refer to REMOVAL [07/2020 -]