During reset of the service reminder, the following message appears on the ODIS tester: ?Secondary air...
Audi technical service bulletin 01133520354541 for 2009-2011 Audi A6, 2009-2012 Audi Q5 and 2011-2012 Audi Q7 and others.
- Bulletin number
- 01133520354541
- Component
- Engine and engine cooling
- Summary
- During reset of the service reminder, the following message appears on the ODIS tester: ?Secondary air injection system - checking secondary air mass?. Under certain driving conditions, the secondary air ports in the cylinder head can accumulate carbon over time, causing a restriction. The ODIS tester can identify the state of the restriction, and will request that the system is cleaned in order to prevent the MIL from illuminating.
Owners of these vehicles have filed 150 complaints in the engine category.
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