ECT Sensor 1 Circuit High Input
2014-2016 Chevrolet Spark EV Electric Motor
Description
The ECT sensor voltage is higher than expected, indicating very low temperature or open circuit.
Symptoms
- Check Engine Light
- Rich running at operating temp
- Poor fuel economy
- Fans not coming on
Common Causes
- Open circuit
- Disconnected sensor
- Faulty sensor
- Corroded connector
Diagnostic Steps
- Test sensor resistance
- Check for open circuits
- Inspect connector
Repair Notes
Repair open circuit or replace sensor. CAUTION: Engine may overheat if fans do not activate.
Related Codes
Other Powertrain Codes
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
- P0128Coolant Thermostat Below Regulating Temperature
P0118 on Other Vehicles
Chevrolet Astro
1995-2005 4.3L V6 Vortec
Chevrolet Avalanche
2002-2006 5.3L V8 Vortec
Chevrolet Avalanche
2002-2006 8.1L V8 Vortec
Chevrolet Avalanche
2007-2013 5.3L V8 Vortec
Chevrolet Avalanche
2007-2013 6.0L V8 Vortec
Chevrolet Aveo
2012-2018 1.6L I4
Chevrolet Beat
2018-2021 1.2L I4
Chevrolet Beretta
1990-1996 2.2L I4
Common Questions
What does code P0118 mean on a 2014-2016 Chevrolet Spark EV?
P0118 stands for "ECT Sensor 1 Circuit High Input". The ECT sensor voltage is higher than expected, indicating very low temperature or open circuit.
What are the symptoms of P0118 on a Chevrolet Spark EV?
Common symptoms of P0118 include: Check Engine Light, Rich running at operating temp, Poor fuel economy, Fans not coming on.
What causes P0118 on a 2014-2016 Chevrolet Spark EV?
Common causes of P0118 include: Open circuit, Disconnected sensor, Faulty sensor, Corroded connector.