The MIL is on. DTC P20FE00 (Reductant Metering Unit Performance) is stored in the engine control module...
Audi technical service bulletin A261422 2037770- for 2014 Audi A6, 2014 Audi Q5 and 2014 Audi A8 and others.
- Bulletin number
- A261422 2037770-
- Component
- Electrical system: software
- Summary
- The MIL is on. DTC P20FE00 (Reductant Metering Unit Performance) is stored in the engine control module (ECM). The ECM software version is older than the specified software for this bulletin. If ECM software is current or newer than below, this bulletin cannot be applied. Follow GFF instructions. Software improvement with more robust onboard diagnostics.
Owners of these vehicles have filed 13 complaints in the electrical category.
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