P0115
Engine Coolant Temperature (ECT) Sensor 1 Circuit
2007-2014 Land Rover LR2 3.2L I6
Moderate SeverityPowertrainGeneric (SAE)
Description
General malfunction in the engine coolant temperature sensor circuit.
Symptoms
- Check Engine Light
- Poor fuel economy
- Hard starting
- Incorrect temp gauge reading
- Fans not operating correctly
Common Causes
- Faulty ECT sensor
- Wiring damage
- Corroded connector
- Low coolant level
Diagnostic Steps
- Test ECT resistance at known temperature
- Inspect wiring
- Check coolant level
- Compare ECT to IAT at cold start
Repair Notes
Replace ECT sensor or repair wiring. Verify coolant level.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0115 on Other Vehicles
Land Rover Defender 110
2020-2024 3.0L I6 Mild Hybrid
Land Rover Defender 90
2020-2024 3.0L I6 Mild Hybrid
Land Rover Defender V8
2022-2024 5.0L V8 Supercharged
Land Rover Discovery
1994-2004 4.0L V8
Land Rover Discovery
2017-2024 3.0L V6 Supercharged
Land Rover Discovery Sport
2015-2024 2.0L I4 Turbo
Land Rover Freelander
1997-2006 2.5L V6
Land Rover LR3
2005-2009 4.4L V8
Common Questions
What does code P0115 mean on a 2007-2014 Land Rover LR2?
P0115 stands for "Engine Coolant Temperature (ECT) Sensor 1 Circuit". General malfunction in the engine coolant temperature sensor circuit.
What are the symptoms of P0115 on a Land Rover LR2?
Common symptoms of P0115 include: Check Engine Light, Poor fuel economy, Hard starting, Incorrect temp gauge reading, Fans not operating correctly.
What causes P0115 on a 2007-2014 Land Rover LR2?
Common causes of P0115 include: Faulty ECT sensor, Wiring damage, Corroded connector, Low coolant level.