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Avalon XLE
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Repair and Diagnosis
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Different variant/trim
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Section 105 (Engine Control System - Diagnostic Codes [A25A-FXS] (P0520-P107A))
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SFI System
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DTC P0597-12: Thermostat Heater Control Circuit Short to Battery [04/2018 - 08/2021]
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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