MIL on. DTC P20E9 is stored in the engine control module (ECM). In vehicles produced during a certain...
Audi technical service bulletin A011313 2034359- for 2012-2014 Audi Q7.
- Bulletin number
- A011313 2034359-
- Component
- Engine
- Summary
- MIL on. DTC P20E9 is stored in the engine control module (ECM). In vehicles produced during a certain period, the AdBlue filter seal within the level sensor module may have been damaged during the assembly process. This damaged seal can allow unfiltered AdBlue to be sucked into the delivery system, subsequently damaging the pressure sensor and reducing agent pump V437.
Owners of these vehicles have filed 30 complaints in the engine category.
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