P1118 TOYOTA Possible Causes
- Faulty engine coolant temperature (ECT) sensor for HST
- Low engine coolant level
- Engine coolant temperature (ECT) sensor for HST circuit open or shorted
- Engine coolant temperature (ECT) sensor for HST electrical circuit poor connection
- Faulty engine coolant thermostat
How to Fix P1118 TOYOTA Code?
Start by checking the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Engine light on (or service engine soon warning light)
P1118 TOYOTA Meaning
High value in the coolant temperature sensor circuit for the coolant heat storage system is the generic description for Toyota P1118 code, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we don’t have more information about the Toyota P1118 OBDII code.