P1115 TOYOTA Possible Causes
- Faulty Engine Coolant Temperature (ECT) sensor for HST
- Low engine coolant level
- Engine Coolant Temperature (ECT) sensor for HST harness is open or short-circuited
- Engine Coolant Temperature (ECT) sensor for HST electrical circuit poor connection
- Faulty engine coolant thermostat
How to Fix P1115 TOYOTA Code?
Start by checking the “Possible Causes” listed above. Visually inspect the corresponding cable harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Engine light on (or engine warning light soon service required)
P1115 TOYOTA Meaning
The Coolant Temperature Sensor Circuit for Heat Storage System is the generic description for Toyota P1115 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the Toyota P1115 OBDII code.