VOLVO
SUM-U012100 - Lost Communication With Brake Control Module. General Failure Information. No sub type information
Układ
Moduł aktywnego podwozia (SUM)
Modele Volvo, których dotyczy ten kod błędu
Dotyczy następujących modeli:
7 modeliS60 (2011–), S80 (2007–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Co oznacza ten kod błędu?
The SUM keeps receiving data from the brake control module (BCM) over CAN. The fault code is set when the expected message from the BCM about yaw angle and lateral acceleration is missing.
Możliwe przyczyny
- Contact resistance or oxidation in the connectors
- A break in one of the wires in the CAN network
- One of the wires in the CAN network is short-circuited to ground
- One of the wires in the CAN network is short-circuited to voltage
- The wires in the CAN network are short-circuited to each other
Co możesz zrobić
- 1Read the fault codes in all control modules, clear them and road test the car to see whether they return
- 2Check that the relevant fuses are intact; their locations are in the owner's manual
- 3Check that the connectors in the CAN network are firmly fitted and not corroded
- 4Inspect the wiring for breaks, chafing and pinch damage, especially where it moves
- 5Has anything recently been done to the car? Tell the workshop if you take it in
- 6Have a workshop with diagnostic equipment check communication with the brake control module and the CAN network
Objawy, które możesz zauważyć2
- A message appears in the information display
- The Four-C function does not work
Na co może wpływać usterka1
- The Four-C function is switched off
Ogólne wskazówki dla właścicieli. Diagnostyka na samochodzie może wskazać inną przyczynę.