The control module detected that the signal in the Coolant Temperature circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Toyota.
TuningBot DTC Database · v4.37.15
P1118 Toyota - Coolant Temperature Sensor Circuit High for Coolant Heat Storage System
Manufacturer-specific interpretation for Toyota. All interpretations of P1118
What P1118 means
Related and nearby codes
How to read P1118
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1118
What does P1118 mean?
Coolant Temperature Sensor Circuit High for Coolant Heat Storage System. The control module detected that the signal in the Coolant Temperature circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Toyota.
Is P1118 generic or manufacturer-specific?
P1118 is a manufacturer-specific code. In this database it is documented for: Toyota. The same number can mean something different on other brands.
Can TuningBot remove P1118 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
