DSD Information System
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2021
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Highlander LE, 4WD
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Repair and Diagnosis
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Different variant/trim
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Section 87 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0520-P05A2))
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SFI System
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DTC P0597-12: Thermostat Heater Control Circuit Short to Battery [12/2019 - 10/2021]
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
WARNING:
This page is about a different variant/trim than selected.
Thermostat heater output terminal voltage level
High