Filed Under (volkswagen) by admin on 16-03-2011
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Trailer Lights Inoperative, Update Programming (Flashing) Trailer Control Module Subject: Model(s): Touareg with Trailer Towing Accessory Package 2004 Condition Trailer Lights are inoperative. May require Trailer Control Module (J345) “Update – Programming” to increase electrical capabilities from 4 amps / 50 watts to 8.3 amps / 100 watts to accommodate trailers with large electrical draw. Service Tool requirements z VAS 5051 or 5052 (with Basis CD V.06.05 and the Brand CD V.06.48 or higher) with old diagnosis logs erased prior to start. z “Update – Programming” (flashing) CD W42TOUAREGTHCD. z VAS 5051: connected to vehicle and to 110V AC Power supply at all times during procedure. z VAS 5052: connected to vehicle with battery voltage requirements met.
