Was bedeutet der Fehlercode CEM-1C02?

Diagnose und Fehlercodedefinition für CEM-1C02 (Volvo S60 (2001–2009), Volvo S80 (1999–2006), Volvo V70 (2000–2008)). Steuergerätereparatur bei OBD Tuning.

VOLVO

CEM-1C02 - L signal. Signal too low. Intermittent fault

System

Zentralelektronik (CEM)

Volvo-Modelle, für die dieser Fehlercode gilt

Gilt für folgende Modelle:

5 Modelle

S60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)

Modelle nach Baujahr und Motor anzeigen (5)

Was bedeutet der Fehlercode?

This code concerns the L signal from the generator when it is too low, or when the generator is not charging. The fault is intermittent and may have occurred before without being active now. The battery may discharge and the starter motor may turn slowly.

Mögliche Ursachen

The generator is not charging because it lacks an energy source
A broken drive belt
A diode fault in the generator

Was Sie tun können

1Check that the generator drive belt is intact and correctly seated. Replace a broken or worn belt
2Check that the battery terminals and the ground connection are clean and tight
3Check that the engine bay fuses are intact. If one has blown, replace it once
4If you have a diagnostic tool, follow the battery voltage in live data with the engine running. The fault may be intermittent
5After the work, clear the code and check that the charging warning does not light again

Symptome, die Sie bemerken können3

The starter motor turns slowly
The charging warning lamp does not light when the ignition is switched on
The battery discharges

Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.