VOLVO
CEM-U201841 - Control Module Software #3. System Internal Failures. General checksum failure
Układ
Centralny moduł elektroniczny (CEM)
Modele Volvo, których dotyczy ten kod błędu
Dotyczy następujących modeli:
9 modeliS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Co oznacza ten kod błędu?
The central electronic module (CEM) has found an internal software fault, with a checksum that does not match. The fault may be due to a software download that failed, or to an internal fault in the module. It is stored while the ignition is on and can affect starting, driving, cruise control and several gauges.
Możliwe przyczyny
- Faulty software installed in the central electronic module (CEM)
Co możesz zrobić
- 1Read and clear the code, then road test the car and see whether the fault returns
- 2Has the software been reloaded recently? If that update was interrupted it may need to be done again
- 3Check that the battery is holding a good charge, since low voltage can stop an update from completing
- 4If the fault returns after a reload, have a workshop replace the central electronic module (CEM)
Objawy, które możesz zauważyć5
- The engine does not start
- Poor performance and lack of power, especially when pulling away
- Jerky running and hesitation under acceleration
- Cruise control does not engage
- The speedometer and tachometer show wrong readings
Na co może wpływać usterka1
- The functions of the central electronic module (CEM) are restricted
Ogólne wskazówki dla właścicieli. Diagnostyka na samochodzie może wskazać inną przyczynę.