VOLVO
ECM-363D - Ignition coil cylinder 4. Signal too low
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:
4 modelsC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Show models by year and engine (9)
- Volvo C30 (2007–2013)2007Engine B5254T3 only
- Volvo C30 (2007–2013)2008–2013Engine B5254T7 only
- Volvo C70 (2006–2013)2006–2007Engine B5254T3 only
- Volvo C70 (2006–2013)2008–2013Engine B5254T7 only
- Volvo S40 (2004–2013)2005–2007Engine B5254T3 only
- Volvo S40 (2004–2013)2008Engine B5254T3, B5254T7 only
- Volvo S40 (2004–2013)2009–2012Engine B5254T7 only
- Volvo V50 (2004–2013)2005–2007Engine B5254T3 only
- Volvo V50 (2004–2013)2008–2012Engine B5254T7 only
What does this fault code mean?
The engine control module has registered a signal from the coil for cylinder 4 that is too low. The fault may lie in the wire, which can be shorted to ground, or in the coil itself. Until the fault is fixed, cylinder 4 can misfire.
Possible causes
- Wire shorted to ground
- Damaged ignition coil
What you can do
- 1Check that the connector to ignition coil 4 is clean, dry and fully seated
- 2Look for chafing or pinch damage on the wire from the coil, especially where it moves
- 3Use a multimeter to check that the wire has no connection to ground when the connector is unplugged at the coil
- 4Read and clear the code, noting that it refers to ignition coil 4, then road test
- 5Have a workshop confirm the condition of the coil with diagnostic equipment once the wire has been checked
Symptoms you may notice2
- The malfunction indicator lamp lights
- The engine may misfire on cylinder 4
General guidance for car owners. Diagnosis on the car can point to a different cause.