VOLVO
CEM-U201741 - Control Module Software #2. 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, a checksum that does not match. The fault is stored while the ignition is on and the module has power. It can stop the engine from starting, make the car hesitate, and cause several gauges and comfort functions to stop working.
Możliwe przyczyny
- Faulty software installed in the central electronic module (CEM)
Co możesz zrobić
- 1Read and note the code, clear it, then road test the car to see whether it comes back
- 2Check that the battery is charged and that the battery terminals are tight, since low voltage can disturb the module
- 3Has the car recently had new software or an update that was interrupted? Tell the workshop
- 4If the fault returns, have a workshop reload the module software with the latest version
Objawy, które możesz zauważyć5
- The engine does not start
- The car hesitates, surges or feels jerky when driving
- The cruise control cannot be engaged
- Gauges such as the speedometer or coolant temperature gauge show wrong readings or do not work
- Central locking or climate control does not work
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.