P1115moderate severityPowertrain
Engine Coolant Temperature Sensor Circuit Malfunction
on 2020 Toyota RAV4 2.5L I4 · AWD
What this code means
The engine coolant temperature sensor circuit has failed or is out of range. The ECM cannot accurately read engine temperature for fuel and fan control.
Symptoms
- Check engine light on
- Hard cold starts
- Cooling fan running abnormally
Common causes
- Faulty ECT sensor
- Damaged wiring or connector
- Low coolant level
- Faulty ECM
Diagnostic steps
- Check coolant level
- Read ECT sensor live data
- Test sensor resistance vs temperature
- Replace ECT sensor if out of spec
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Other Powertrain codes on this vehicle
P0001
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P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1