VOLVO
CEM-1D04 - ECM, software. Faulty signal. Intermittent fault
System
Zentralelektronik (CEM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
5 ModelleS60 (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?
The CEM has registered faulty or altered engine control software (ECM). The fault is intermittent, so it may have occurred before without being active now. Correct software is downloaded by a workshop.
Mögliche Ursachen
- An incorrect software checksum
Was Sie tun können
- 1With the ignition on, check that the code does not return after switching the ignition off and on again
- 2Has the car's engine software been modified? Discuss it with the owner before anything is changed, since the change may not be the cause of the repair
- 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
- 5After the work, clear the code and check that it does not return
Symptome, die Sie bemerken können1
- No noticeable symptoms for the driver
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.