34+ 2000 Audi Tt Instrument Cluster Problems I have a spare instrument cluster to change, it comes from an audi tts, so, basically, the only differences are color of thanks paulodoria, problem is that what you mention on that link uses the 4 pin code, and i only have the 7 digit skc code, which also requests for additional info Audi tt instrument cluster dashboard problems include temp gauge giving incorrect readings, other faults include complete loss of display or complete the later, 2006 onwards, tt instrument cluster suffers from backlight failure, complete loss of all display and/or complete non starting of the vehicle.