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Home/DTC Codes/Aston Martin/DB9/2004-2016 6.0L V12/P0118
P0118

ECT Sensor 1 Circuit High Input

2004-2016 Aston Martin DB9 6.0L V12

High SeverityPowertrainGeneric (SAE)

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

  1. Test sensor resistance
  2. Check for open circuits
  3. Inspect connector

Repair Notes

Repair open circuit or replace sensor. CAUTION: Engine may overheat if fans do not activate.

Related Codes

P0115Engine Coolant Temperature (ECT) Sensor 1 CircuitP0117ECT Sensor 1 Circuit Low Input

Other Powertrain Codes

P0118 on Other Vehicles

Aston Martin DB11

2016-2024 4.0L V8 Twin Turbo

Aston Martin DB11

2016-2024 5.2L V12 Twin Turbo

Aston Martin DB7

1994-2003 3.2L I6 Supercharged

Aston Martin DBS Superleggera

2019-2024 5.2L V12 Twin Turbo

Aston Martin DBX

2020-2024 4.0L V8 Twin Turbo

Aston Martin Vantage

2005-2024 4.7L V8

Aston Martin Vantage

2018-2024 4.0L V8 Twin Turbo

Common Questions

What does code P0118 mean on a 2004-2016 Aston Martin DB9?

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 Aston Martin DB9?

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 2004-2016 Aston Martin DB9?

Common causes of P0118 include: Open circuit, Disconnected sensor, Faulty sensor, Corroded connector.

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