VOLVO
ECM-740C - Communication, central electronic module (CEM). Signal too high
System
Motorsteuergerät (ECM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
4 ModelleC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Modelle nach Baujahr und Motor anzeigen (9)
- Volvo C30 (2007–2013)2007Nur Motor: B5254T3
- Volvo C30 (2007–2013)2008–2013Nur Motor: B5254T7
- Volvo C70 (2006–2013)2006–2007Nur Motor: B5254T3
- Volvo C70 (2006–2013)2008–2013Nur Motor: B5254T7
- Volvo S40 (2004–2013)2005–2007Nur Motor: B5254T3
- Volvo S40 (2004–2013)2008Nur Motor: B5254T3, B5254T7
- Volvo S40 (2004–2013)2009–2012Nur Motor: B5254T7
- Volvo V50 (2004–2013)2005–2007Nur Motor: B5254T3
- Volvo V50 (2004–2013)2008–2012Nur Motor: B5254T7
Was bedeutet der Fehlercode?
The checksum the ECM calculates does not match the one stored in the CEM. The reason is one or several codes logged in the CEM. The fault applies to the C30, C70 (06-), S40 (04-) and V50.
Mögliche Ursachen
- One or several codes are logged in the CEM
Was Sie tun können
- 1Read the codes in the central electronic module first and remedy them
- 2Clear the stored codes in the CEM once they have been remedied, then clear this code in the engine control module
- 3If you have a diagnostic tool: check that the CEM has no stored codes left before road testing the car
- 4If the code returns, have a workshop with diagnostic equipment check the CEM and the engine control module
Symptome, die Sie bemerken können1
- No noticeable symptoms for the driver
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.