TSB : Front seat with malfunctioning control module or malfunctioning motor for seat fore-aft adjustment, removing

Details

NOTE: If possible: Tilt seat up. Before disconnecting battery: Obtain coding of radio. Seat is shown without upholstery and without backrest in picture for the sake of a better illustration. CAUTION: Loosen bolts - 6 - only after checking electrical or electronic components and wires. After loosening bolts - 6 -, lower part of seat pan - 7 - including Seat Fore/Aft Adjustment Motor V288 must be replaced with transverse member - 9 -. Fig 1: Front Seat With Malfunctioning Control Module Or Malfunctioning Motor For Seat Fore-Aft Adjustment, Removing Courtesy of VOLKSWAGEN UNITED STATES, INC. 1 - Screw Tightening torque → Seat pan, assembly overview Threaded holes for screws must always be cleaned (for example, with thread cutter) 2 - Screw Tightening torque → Front power seats with memory, removing and installing Qty. 4 3 - Screw Tightening torque → Seat pan, assembly overview 4 - Seat pan upper frame Removal CAUTION: Observe safety precautions for work on airbags → Airbag safety precautions . Remove screw - 1 -. Remove nut - 5 - and bolt - 3 -. Fold seat fully toward front. If necessary: Remove steering wheel → Steering wheel, removing and installing (standard steering wheel) . CAUTION: Before handling airbag units (e.g. disconnecting electrical connector), the person handling it must "electrostatically discharge". This can be done by touching door striker, for example. NOTE: Check electrical and electronic components and wires before removing seat further to avoid unnecessary repair costs. Perform the following tests: Check fuse → Electrical Wiring Diagrams, Troubleshooting and Component Locations Check voltage at connector station, perform fault-finding if necessary → Electrical Wiring Diagrams, Troubleshooting and Component Locations Check voltage to control module → Electrical Wiring Diagrams, Troubleshooting and Component Locations Check voltage to Seat Fore/Aft Adjustment Motor V288 → Electrical Wiring Diagrams, Troubleshooting and Component Locations If fuse is faulty: replace fuse → Electrical Wiring Diagrams, Troubleshooting and Component Locations. If voltage to connector station is low: repair or replace wire → Electrical Wiring Diagrams, Troubleshooting and Component Locations. If control module is defective: Replace control module → Control module, removing and installing . If Seat Fore/Aft Adjustment Motor V288 is faulty: replace lower frame of seat pan - 7 - → Seat pan, disassembling and assembling . Further removal only if Seat Fore/Aft Adjustment Motor V288 is faulty Disconnect battery ground wire → 27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL 27 - BATTERY, STARTER, GENERATOR, CRUISE CONTROL for ELECTRICAL EQUIPMENT - GENERAL INFORMATION . Remove bolts - 6 - (Qty. 4). CAUTION: Before removing seat: Disconnect battery ground (GND) strap → 27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL 27 - BATTERY, STARTER, GENERATOR, CRUISE CONTROL for ELECTRICAL EQUIPMENT - GENERAL INFORMATION . Disconnect connector - 8 -. Tip front seat back. Move seat until bolts - 2 - (Qty. 4) are visible. Remove bolts - 2 - (Qty. 4). Disconnect harness connectors → Disconnecting connections . Connect airbag adapter → Airbag Adapter VAS 6036, connecting . With help from a second technician, lift front seat out of vehicle. Disconnect seat pan lower frame - 7 - and upper frame - 4 - → Seat pan, disassembling and assembling . Replace seat pan lower frame - 7 - with Seat Fore/Aft Adjustment Motor V288 with the transverse member - 9 - → Seat pan, disassembling and assembling . 5 - Nut Threaded holes for screws must always be cleaned (for example, with thread cutter) 6 - Screw Qty. 4 For transverse member to seat pan lower frame 7 - Lower seat pan frame Replace → Seat pan, disassembling and assembling 8 - Connector 9 - Seat Fore/Aft Adjustment Motor V288 with transverse member Installing Install front seat → Front power seats with memory, removing and installing .