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No INSTALL A NEW Smart Junction Box. CHECK system Communications Network (418-00 Module Communications Network, Diagnosis and C5: CHECK THE CIRCUIT BETWEEN THE SMART JUNCTION BOX AND THE LEFT AND Ignition switch in position 0. 1 Disconnect Smart Junction Box from connector 2 Ignition switch in position II. 3 Check the stoplamps. 4 Are only the left and right stoplamps permanently lit? - Vehicles without trailer socket: Use the Wiring GO to C6 . No INSTALL A NEW Smart Junction Box. CHECK system Communications Network (418-00 Module Communications Network, Diagnosis and C6: RULE OUT THE TRAILER CONTROL MODULE AS THE CAUSE OF THE FAULT Ignition switch in position 0. 1 Disconnect fuse FA11 (40 A) (RJB). 2 Ignition switch in position II. 3 Check the stoplamps. 4 Are only the left and right stoplamps permanently lit? Use the Wiring Diagrams to LOCATE and RECTIFY No INSTALL A NEW trailer control module. CHECK |