2008 Audi A5 Electrical system Problems
- Complaints
- 2about this part
- Share
- 40%of 5 total for the year
- Median mileage
- 35,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2008 Audi A5, 40% of the 5 complaints for this model year. Where a mileage was given, the median is 35,000 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.
“The contact owns a 2008 Audi A5. The contact stated that the driver's side air bag sensor and the parking brake warning light was illuminated. In addition, the horn had failed. The vehicle was diagnosed by an independent mechanic, who determined that the defects were all caused by a faulty steering wheel spring column. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 35,000.”
NHTSA complaint #10563988, filed 2014-02, 35,000 miles“2008 Audi A5 3.2L S-Line Coupe experiencing severe water intrusion into trunk compartment causing progressive failure of multiple electronic modules. Water enters through a known design defect in the trunk seal and drainage pathway, pooling in the spare tire well where critical electronic control modules are mounted. Affected systems: (1) Complete audio and entertainment system failure due to amplifier module destroyed by water damage. (2) Electronic parking brake malfunction with brake failing to engage and disengage reliably, creating serious rollaway risk on inclines. …”
NHTSA complaint #11731285, filed 2026-04Related service bulletins
- 10248208Dec 21, 2023This bulletin provides information when the parking assistance provides false warnings.
- 10246152Nov 16, 2023This bulletin provides general information about the outside air temperature reading.
- 10244320Oct 13, 2023This bulletin provides information for when unauthorized/unjustified DTC memory entries are captured in ODIS test Plans (Ghost faults).
- 10228815Dec 22, 2022Support for Customers Affected by Alternator Back-order
- 10217909Aug 11, 2022This bulletin provides information about obtaining a radio code using ODIS.
- 10207833Feb 7, 2022This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning.
- 10204722Dec 15, 2021This bulletin contains general instructions for software updates.
- 10194418May 18, 2021This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning.
- 10191558Apr 30, 2021Elsa2Go campaign information is now 100% aligned with ElsaPro. This update to Elsa2Go ensures that both systems are displaying the same campaign information, including…
- 10190280Apr 1, 2021This technical service bulletin provides troubleshooting information for the vehicle locking system.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 2 | 25% |
| 2024 | 5 | 63% |
| 2021 | 2 | 25% |
| 2020 | 41 | 68% |
| 2019 | 2 | 17% |
| 2018 | 4 | 11% |
| 2016 | 1 | 14% |
| 2014 | 7 | 25% |
| 2013 | 9 | 26% |
| 2012 | 2 | 9% |
| 2010 | 1 | 3% |
| 2009 | 2 | 18% |
| 2008 | 2 | 40% |
Other parts of the 2008 Audi A5
← All problems reported for the 2008 Audi A5
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