SOS Malfunction Is Displayed In Kombi Sporadically

Bulletin number

B840715

Component

Electrical system

Summary

SOS Malfunction Is Displayed In Kombi Sporadically. After engine start-up, a CCM (Check Control Message) for SOS malfunction is displayed in the Kombi and in the CID (Central Information Display). One or more of the fault codes below may be stored in the TCB or Combox control unit: 0xB7F32B - GSM Antenna: Open Circuit 0xB7F31F - GSM Antenna: Short to ground 0xB7F31E - GSM Antenna: Open Circuit A signal error is identified during the aerial self-test performed by the TCB (Telematic Control Box or the Combox).

Owners of these vehicles have filed 864 complaints in the electrical category.