VOLVO
ECM-0115 - Engine coolant temperature (ECT) sensor. Faulty
System
Engine Control Module (ECM)
Volvo models this fault code applies to
This fault code has different meanings depending on model, model year or engine. Select the meaning that applies to your car.
Applies to the following models:
3 modelsC30 (2007–2013), S40 (2004–2013), V50 (2004–2013)
What does this fault code mean?
The control module knows that a fault exists in the engine coolant temperature sensor but cannot tell which fault it is. This is a collective code, and the cause is found among the other fault codes for the same sensor.
Possible causes
- A fault that cannot be specified; the cause is shown by the other fault codes for the same sensor
What you can do
- 1Have a workshop read the fault codes in the engine control module and fix the codes for the coolant temperature sensor first
- 2If you have a diagnostic tool, read the coolant temperature in live data and compare it with the temperature gauge on the dashboard
- 3Erase this code last and take the car for a test drive to see whether it returns
Symptoms you may notice1
- No noticeable symptoms for the driver
General guidance for car owners. Diagnosis on the car can point to a different cause.