00857

00857 - CD Changer Unit (R41)

00857 - CD Changer Unit (R41): No Signal/Communication

Possible Symptoms

• CD Changer Unit (R41) not working

Possible Causes

• Wiring/Connectors from/to CD Changer Unit (R41) faulty
• CD Changer Unit (R41) not connected
• Control Module Coding incorrect

Possible Solutions

• Check Wiring/Connectors from/to CD Changer Unit (R41)
• Check Control Module Coding

Special Notes

• Some factory installed Features like iPod interfaces use the same CD-Changer input on the radio.
• 3rd party or non-standard units which connect to the CD changer interface may cause such fault codes, so unless you are experiencing real problems just ignore this code.