DTC P0A81-15: Hybrid/EV Battery Cooling Fan 1 Circuit Short to Auxiliary Battery or Open [08/2020 - ]: Procedure
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- CHECK DTC OUTPUT (HV BATTERY, HYBRID CONTROL)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- 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 P0A81-15 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 Hybrid control system P0A1F-94 Hybrid/EV Battery Energy Control Module Unexpected Operation - Turn the power switch off.
Result:
B
GO TO DTC CHART (HYBRID BATTERY SYSTEM). Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2020 - ]
Result:
C
GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2020 - 08/2021] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2021 - ]
Result:
A
See step 2
- CHECK BATTERY ECU ASSEMBLY (FREQUENCY)
See step 6
Result
Proceed to OK NG Result:
OK
REPLACE BATTERY COOLING BLOWER ASSEMBLY. Refer to REMOVAL [06/2018 - ]
Result:
NG
REPLACE BATTERY ECU ASSEMBLY. Refer to REMOVAL [08/2020 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ]