The red coolant light is illuminated, indicating that the coolant temperature is too high or that the...
Audi technical service bulletin A191563 2042328- for 2011-2012 Audi A8, 2008-2012 Audi S5 and 2013-2015 Audi RS 5.
- Bulletin number
- A191563 2042328-
- Component
- Engine and engine cooling
- Summary
- The red coolant light is illuminated, indicating that the coolant temperature is too high or that the coolant level is too low. The engine speed governing light is illuminated with the message ?Engine speed maximum XXXX rpm?. To prevent the engine from overheating, the engine speed is automatically limited to the displayed maximum. DTCs are stored in the ECM. Tolerances of opening spring in thermostat cause the condition.
Owners of these vehicles have filed 20 complaints in the engine category.
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