VOLVO
CCM-DD18 - Tunnel Control Switch 1 No Communication
System
Klimaanlegg (CCM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
5 modellerC30 (2007–2013), C30 Electric (2011–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Hva betyr feilkoden?
The climate control module (CCM) has no communication with the switch in the front tunnel console, which is connected via LIN bus 1. The buttons on that switch then do not work, and functions such as park assist and BLIS may stop. The fault code may appear together with other fault codes on the bus.
Mulige årsaker
- Break in LIN bus 1 wiring between the module and the front tunnel console switch
- Poor contact, corrosion or loose connections at the connectors
Hva du kan gjøre
- 1Check that the fuses are intact
- 2Check that the connector to the tunnel console switch is secure and clean
- 3Check with a multimeter that the LIN bus 1 wire to the switch is not open when the connectors are disconnected
- 4If you have a diagnostic tool, read the switch status in live data while you press its buttons
- 5Clear the code and road test the car to see whether it returns
Symptomer du kan merke3
- Buttons on the keypad do not work
- Front and rear park assist do not work
- Blind spot monitoring (BLIS) does not work
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