One problem related to electrical system has been reported for the 2009 Audi TT. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Audi TT based on all problems reported for the 2009 TT.
Had issues with the rear taillights grounding issue causing the ground in the connector to melt and short out causing the taillight to no longer work. This was an issue first on the driver side then the other 6 months later. Both repaired locally by adding an additional ground wire and replacing the connectors.
| Ignition problems | |
| Battery problems | |
| Electrical System problems |