The MIL is on. DTC P20E800 (Reductant pressure too low) is stored in the engine control module
Audi technical service bulletin A0115322040962-2 for 2014-2015 Audi A6, 2014-2015 Audi Q5 and 2014-2015 Audi A8 and others.
- Bulletin number
- A0115322040962-2
- Component
- Electrical system: software
- Summary
- Supersedes Technical Service Bulletin Group 01 number 15-25 dated June 19, 2015. The MIL is on. DTC P20E800 (Reductant pressure too low) is stored in the engine control module. No relevant component or electrical problems are found when Guided Fault Finding (GFF) is run on the stored fault codes. Hardware and software update is needed.
Owners of these vehicles have filed 23 complaints in the electrical category.
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