VOLVO
CEM-3A00 - ECM software. Faulty signal
System
Zentralelektronik (CEM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
5 ModelleC30 (2007–2013), C30 Electric (2011–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Modelle nach Baujahr und Motor anzeigen (5)
Was bedeutet der Fehlercode?
The CEM has registered faulty or altered engine control software (ECM). The fault can stop the engine from starting. It may be intermittent, and correct software is downloaded by a workshop.
Mögliche Ursachen
- An incorrect software checksum
Was Sie tun können
- 1With the ignition on, check whether the code returns after switching the ignition off and on again
- 2Has the owner altered the engine software? Discuss it first, since a change that did not cause the fault should not be corrected
- 3Check that the battery terminals and cable connections are clean and tight, so the control modules get stable voltage
- 4Software is downloaded with diagnostic equipment and can only be done by a workshop
Symptome, die Sie bemerken können1
- The engine does not start
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.