Description of On-Board Diagnostic System

Notes on the BMW DIAGNOSTIC SYSTEM:

This system does not feature diagnostic capabilities using the BMW DIAGNOSTIC SYSTEM.

Troubleshooting:

Notes:

Is vehicle lighting system OK? Check and repair as required. Load must be applied to the trailer socket. Connect either test unit for trailer socket or trailer. Are fuses F22 and F18 in the fuse box OK? Renew if necessary.