A bulb failure warning for one or several taillight functions appears in the instrument cluster, but the...
Audi technical service bulletin A941559 2039584- for 2012-2015 Audi A6.
- Bulletin number
- A941559 2039584-
- Component
- Electrical system
- Summary
- A bulb failure warning for one or several taillight functions appears in the instrument cluster, but the taillights are operating normally. The warning only occurs at very low outside temperatures. DTC entries are logged in the comfort system central control module. The transistor in the taillight is a component of the bulb failure monitor. The transistor is out of tolerance, which causes the bulb failure monitor to not see enough current consumption when outside temperatures are very low. This causes a false lamp failure warning.
Owners of these vehicles have filed 25 complaints in the electrical category.
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