VOLVO
ECM-365D - Ignition coil cylinder 6, signal. Signal too low
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
2 modelsS80 (1999–2006), XC90 (2003–)
Show models by year and engine (2)
What does this fault code mean?
The engine control module has registered a signal from ignition coil 6 that is too low. The fault may be a cable shorted to ground, or a damaged ignition coil. Cylinder 6 can misfire, and the connectors and wiring are the first things to check.
Possible causes
- Cable shorted to ground
- Damaged ignition coil
What you can do
- 1Check that the connector to ignition coil 6 is fully seated and clean
- 2Look at the cable from the coil for chafing, pinch damage and loose clips
- 3Use a multimeter to check that the cable has no connection to ground when the connector is unplugged at the coil
- 4Clear the fault code and road test the car to see whether it returns
- 5If the cable is intact: have a workshop with diagnostic equipment check the ignition coil
Symptoms you may notice2
- The malfunction indicator lamp lights
- The engine does not fire on every cylinder
General guidance for car owners. Diagnosis on the car can point to a different cause.