VOLVO
ECM-6620 - Glow plug control. Faulty signal
System
Motorsteuergerät (ECM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
3 ModelleC30 (2007–2013), S40 (2004–2013), V50 (2004–2013)
Modelle nach Baujahr und Motor anzeigen (3)
Was bedeutet der Fehlercode?
The engine control module has registered a faulty signal from the glow plug relay. It can also be set when the glow plug circuit misbehaves or sits outside its normal signal range.
Mögliche Ursachen
- Short to supply voltage in the glow plug wires
- Short circuit in a glow plug
- Damaged glow plug relay
Was Sie tun können
- 1Check that the connectors at the glow plug relay and the glow plugs are secure and clean
- 2Use a multimeter to check that the wires between the relay and the glow plugs are not shorted to supply voltage
- 3Have a workshop activate the glow plug relay and check that battery voltage drops when it does
- 4Replace the glow plug relay if the wiring is sound but the fault remains
Symptome, die Sie bemerken können5
- Poor performance and lack of power, especially when pulling away from a standstill
- The engine hesitates, surges or runs unevenly during acceleration
- The engine hesitates or runs unevenly at a steady speed
- The engine is hard to start and cranks slowly when cold
- The engine does not start and only turns over
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.