P20E9 on the 2013 Audi Q7
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| A011912 20343598 | 2019-04-02. Service bulletin. This bulletin contains repair instructions for when a MIL is on and DTC P20E900 or P20FE00 is stored in the ECM. |
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| A011881 2034359- | 2018-10-15. Service bulletin. This bulletin contains repair instructions for when a MIL is on and DTC P20E900 or P20FE00 is stored in the ECM. |
| A011880 2034359- | 2018-10-15. Service bulletin. This bulletin contains repair instructions for when a MIL is on and DTC P20E900 or P20FE00 is stored in the ECM. |
| A011313 2034359- | 2017-12-05. Service bulletin. 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. |
4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.