DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 87 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0520-P05A2)) >> SFI System >> DTC P0597-14: Thermostat Heater Control Circuit Short to Ground or Open [12/2019 - 10/2021] >> Description

DTC P0597-14: Thermostat Heater Control Circuit Short to Ground or Open [12/2019 - 10/2021]: Description

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

Refer to DTC P0597-12.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory 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 DTC stored SAE Code: P0598
RELATED DATA LIST

DTC No. Data List
P0597-14 Coolant Temperature