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TROUBLESHOOTING TSB Revision LOCAL INTERCONNECT NETWORK (LIN) 54B-37 Recheck for diagnostic trouble code. CAUTION To prevent damage to scan tool MB991958, always turn the position. (2) Start up the personal computer. and the personal computer. (4) Connect special tool MB991910 to special tool MB991824. YES : Replace the sunroof motor assembly. malfunctions in the LIN bus lines between the sunroof ). DTC U1512: Lighting control sensor checksum error <Vehicles with auto light function> . TROUBLE JUDGMENT The ETACS-ECU will set DTC U1512 when abnor- . TROUBLESHOOTING HINTS • The lighting control sensor may be defective. DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicles Communication Interface (V.C.I.) • MB991827: M.U.T.-III USB Cable • MB991910: M.U.T.-III Main Harness A (Vehicles with CAN communication system) ZC501967 AC404789 AC702802 MB991824 MB991827 MB991910 Data link connector AB |