P1117 TOYOTA Possible Causes
- Low engine coolant level
- Faulty Engine Coolant Temperature (ECT) sensor for HST
- 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 P1117 TOYOTA Code?
Start by checking the “Possible Causes” listed above. Visually inspect the corresponding 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 engine service warning light soon)
P1117 TOYOTA Meaning
The coolant temperature sensor circuit bank for coolant heat storage system is the generic description for Toyota P1117 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about Toyota P1117 OBDII code.