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Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Engine Control System - Diagnostic Codes (P0520-P0627)) >> SFI System >> DTC P0597-14: Thermostat Heater Control Circuit Short to Ground or Open [11/2021 - 03/2022] >> Description

DTC P0597-14: Thermostat Heater Control Circuit Short to Ground or Open [11/2021 - 03/2022]: Description

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Refer to DTC P0597-12.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
P0597-14 Thermostat Heater Control Circuit Short to Ground or Open Open or short in thermostat heater circuit and power supply circuit
(1 trip detection logic).
  • Open or short in thermostat heater circuit
  • Thermostat heater (water inlet with thermostat sub-assembly)
  • ECM
Comes on SAE Code: P0598
RELATED DATA LIST

DTC No. Data List
P0597-14 Coolant Temperature