VOLVO
ECM-1794 - Battery voltage. 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 ECM monitors the battery voltage. If the voltage is out of range, high or low, fault code ECM-1794 is set. The fault may lie in the battery or in the alternator.
Mögliche Ursachen
- Damaged battery
- Damaged alternator
Was Sie tun können
- 1Check that the battery terminals are tight and clean, and that the connectors in the battery circuit have no play or oxidation
- 2Check the condition of the battery. An old or flat battery can give the wrong voltage, so charge or replace it as needed
- 3If you have a diagnostic tool: read the battery voltage in live data with the engine off and running, and check that the values look reasonable
- 4If the fault remains after these checks, have a workshop check that the alternator charges correctly
Symptome, die Sie bemerken können1
- No noticeable symptoms for the driver
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.