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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 139 (Hybrid Battery System (For Lithium-Ion Battery) - Diagnostic Codes (1 Of 3)) >> HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY) >> DTC P0A81-96: Hybrid/EV Battery Cooling Fan 1 Component Internal Failure [08/2020 - ] >> Description

DTC P0A81-96: Hybrid/EV Battery Cooling Fan 1 Component Internal Failure [08/2020 - ]: Description

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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 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 1 Frequency" is excessively low or high.
(1 trip detection logic)
  • Wire harness or connector
  • Battery cooling blower assembly
  • Battery ECU assembly
  • No. 1 HV battery intake filter
  • No. 1 hybrid battery intake duct
  • No. 1 hybrid battery intake duct LH
Comes on Master Warning Light:
Comes on
RELATED DATA LIST

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

The following items can be helpful when performing repairs:

Data List 

HINT: 

"Hybrid/EV Battery Cooling Fan 1 Frequency" is detected when the battery cooling blower assembly is operating and its value changes in proportion to the battery cooling blower assembly rotation speed.