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Home/DTC Codes/Nissan/Ariya/2023-2024 Evolve+ Dual Motor AWD/P0115
P0115

Engine Coolant Temperature (ECT) Sensor 1 Circuit

2023-2024 Nissan Ariya Evolve+ Dual Motor AWD

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

  1. Test ECT resistance at known temperature
  2. Inspect wiring
  3. Check coolant level
  4. Compare ECT to IAT at cold start

Repair Notes

Replace ECT sensor or repair wiring. Verify coolant level.

Related Codes

P0116ECT Sensor 1 Circuit Range/PerformanceP0117ECT Sensor 1 Circuit Low InputP0118ECT Sensor 1 Circuit High InputP0119ECT Sensor 1 Circuit IntermittentP0125Insufficient Coolant Temperature for Closed Loop Fuel Control

Other Powertrain Codes

P0115 on Other Vehicles

Nissan 200SX

1995-1998 1.6L I4 GA16DE

Nissan 200SX SE-R

1995-1998 2.0L I4 SR20DE

Nissan 240SX

1995-1998 2.4L I4 KA24DE

Nissan 300ZX

1990-1996 3.0L V6 VG30DE

Nissan 300ZX Twin Turbo

1990-1996 3.0L Twin-Turbo V6 VG30DETT

Nissan 350Z

2003-2006 3.5L V6 VQ35DE

Nissan 350Z

2007-2009 3.5L V6 VQ35HR

Nissan 370Z

2009-2020 3.7L V6 VQ37VHR

Common Questions

What does code P0115 mean on a 2023-2024 Nissan Ariya?

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 Nissan Ariya?

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 2023-2024 Nissan Ariya?

Common causes of P0115 include: Faulty ECT sensor, Wiring damage, Corroded connector, Low coolant level.

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