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Electrical systemPart report

2003 Audi TT Electrical system Problems

Complaints
7about this part
Share
54%of 13 total for the year
Median mileage
81,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 7 complaints about the electrical system of the 2003 Audi TT, 54% of the 13 complaints for this model year. Where a mileage was given, the median is 81,500 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“My 2003 Audi TT quattro has an intermittent headlight, have tried numerous times replacing the bulb as well as switch. After looking at numerous posts, it is clear that this is a huge fault by the manufacturer of headlight failure. In my state you get a ticket for a single light out (ny) and this headlight fails intermittently either when at 0mph or 60mph. Huge safety concern especially if driving at night or in the rain, on top of the traffic violations.”

NHTSA complaint #10777914, filed 2015-09, 155,000 miles

“There is a very well-documented, widespread problem with the Audi TT dash panel, one that Audi has not sufficiently addressed. Failures include (1) a false or no vehicle speed indication (2) a false or no engine rotational speed indication (3) a false engine temperature indication (4) a false fuel level (5) complete deactivation of engine (6) improper status of safety features such as airbags, brakes, traction control, etc (7) improper or faulty indication of onboard computer functions and driver information displays. …”

NHTSA complaint #10221248, filed 2008-03, 43,000 miles

“The digital instrument panel is failing currently it does not register the proper amount of fuel in the vehicle. This could result in a vehicle failure while driving in traffic causing a dangerous and hazardous situation. The vehicle has been recalled in the united kingdom for a similar failure in the vehicles instrument panel. The NHTSA should investigate this matter. The replacement of the instrument panel is not covered by the warranty and will cost in excess of $900 for the part, plus labor to replace the item on the vehicle. The vehicle has less than 45,000 miles on it. …”

NHTSA complaint #10344868, filed 2010-07, 41,300 miles

“The contact owns a 2003 Audi TT. The contact stated that the entire instrumental cluster malfunctioned and all of the gauges would read inaccurate information. The contact received notification of an unknown recall relative to the failure. The dealer advised that the recall repair would only be performed if the contact had experienced the failure described in the recall. The vehicle was then taken to an independent mechanic where the contact was advised there was an electrical failure within the vehicle. The vehicle was not repaired. The failure and current mileage was 120,000.”

NHTSA complaint #10345280, filed 2010-07, 120,000 miles

“2003 Audi TT roadster problems with instrument cluster. Consumer states that there are now safety issues resulting the instrument cluster failure. The odometer and temperature gauges no longer functioned. The consumer had no way of knowing the engine operating temperature and he only discovered there was a problem after the display indicated an alarmingly high engine temperature.”

NHTSA complaint #10209466, filed 2007-11

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2009325%
2008214%
2005327%
2004520%
2003754%
20021847%
20017159%
20003142%

Other parts of the 2003 Audi TT

Transmission and drivetrain
5 complaints
Engine cooling
4 complaints
Exterior lighting
1 complaints
Fuel system
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2003 Audi TT

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology