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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 85 (Hybrid Control System (2WD) - Diagnostic Codes (2 Of 7)) >> HYBRID CONTROL SYSTEM (for 2WD) >> DTC P0A81-96: Hybrid/EV Battery Cooling Fan 1 Component Internal Failure; DTC P0A81-98: Hybrid/EV Battery Cooling Fan 1 Component or System Over Temperature; DTC P0A96-96: Hybrid/EV Battery Cooling Fan 2 Component Internal Failure; DTC P0A96-98: Hybrid/EV Battery Cooling Fan 2 Component or System Over Temperature [12/2019 - 11/2023] >> Description

DTC P0A81-96: Hybrid/EV Battery Cooling Fan 1 Component Internal Failure; DTC P0A81-98: Hybrid/EV Battery Cooling Fan 1 Component or System Over Temperature; DTC P0A96-96: Hybrid/EV Battery Cooling Fan 2 Component Internal Failure; DTC P0A96-98: Hybrid/EV Battery Cooling Fan 2 Component or System Over Temperature [12/2019 - 11/2023]: Description

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

Refer to the description for DTC P0A81-11.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0A81-96 Hybrid/EV Battery Cooling Fan 1 Component Internal Failure The battery cooling blower assembly (No. 0) is malfunctioning and the actual speed is not within the specified range of the target speed calculated by the ECU.*
*: This DTC is not stored when "Hybrid Battery Cooling Fan 1 Frequency" is excessively low or high.
(2 trip detection logic)
  • Battery cooling blower assembly (No. 0)
  • Battery voltage sensor
  • No. 2 HV battery intake filter
  • No. 1 Hybrid battery intake duct
  • Wire harness or connector
Comes on Master Warning:
Comes on
P0A81-98 Hybrid/EV Battery Cooling Fan 1 Component or System Over Temperature The HV battery temperature is high and the battery cooling blower assembly (No. 0) is malfunctioning and the actual speed is not within the specified range of the target speed calculated by the ECU.*
*: This DTC is not stored when "Hybrid Battery Cooling Fan 1 Frequency" is excessively low or high.
(1 trip detection logic)
  • Battery cooling blower assembly (No. 0)
  • Battery voltage sensor
  • No. 2 HV battery intake filter
  • No. 1 Hybrid battery intake duct
  • Wire harness or connector
Comes on Master Warning:
Comes on
P0A96-96 Hybrid/EV Battery Cooling Fan 2 Component Internal Failure The battery cooling blower assembly (No. 1) is malfunctioning and the actual speed is not within the specified range of the target speed calculated by the ECU.*
*: This DTC is not stored when "Hybrid/EV Battery Cooling Fan 2 Frequency" is excessively low or high.
(2 trip detection logic)
  • Battery cooling blower assembly (No. 1)
  • Battery voltage sensor
  • No. 2 HV battery intake filter
  • No. 1 Hybrid battery intake duct
  • Wire harness or connector
Comes on Master Warning:
Comes on
P0A96-98 Hybrid/EV Battery Cooling Fan 2 Component or System Over Temperature The HV battery temperature is high and the battery cooling blower assembly (No. 1) is malfunctioning and the actual speed is not within the specified range of the target speed calculated by the ECU.*
*: This DTC is not stored when "Hybrid/EV Battery Cooling Fan 2 Frequency" is excessively low or high.
(1 trip detection logic)
  • Battery cooling blower assembly (No. 1)
  • Battery voltage sensor
  • No. 2 HV battery intake filter
  • No. 1 Hybrid battery intake duct
  • Wire harness or connector
Comes on Master Warning:
Comes on
RELATED DATA LIST

DTC No. Data List
P0A81-96
  • Hybrid Battery Cooling Fan 1 Drive Request
  • Hybrid Battery Cooling Fan 1 Drive Status
  • Hybrid Battery Cooling Fan 1 Frequency
P0A81-98
P0A96-96
  • Hybrid/EV Battery Cooling Fan 2 Drive Request
  • Hybrid/EV Battery Cooling Fan 2 Drive Status
  • Hybrid/EV Battery Cooling Fan 2 Frequency
P0A96-98

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Data List 

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