P052E
From Ross-Tech Wiki
P052E - PCV Valve Malfunction
Possible Symptoms
- Malfunction Indicator Light (MIL) active
- Noises from engine area
Possible Causes
- Leaks in breather system
- Crankcase breather elbow failure (see special notes)
Possible Solutions
- Check breather system
- Repair/replace failed or leaking parts
Special Notes
Audi
- NAR (North American) Market Audi 3.0L V6 TFSI , please see TSB 17-20-08 / TPI 2060259 for breather elbow concerns.
- The NAR (North American) Market Audi 3.0L V6 TFSI also has TSB 17-20-10 / TPI 2060033 for MIL on or noise from breather.
- https://static.nhtsa.gov/odi/tsbs/2020/MC-10179109-0001.pdf NHTSA
- The above TSB/TPIs are applicable for these vehicles with the supercharged 3.0L:
- 2017 (All) Audi A4 3.0L
- 2013 - 2015 Audi S4 3.0L
- 2015 - 2017 Audi A5 3.0L
- 2012 - 2017 Audi S5 3.0L
- 2012 - 2018 Audi A6/A7 3.0L
- 2011 - 2017 Audi A8 3.0L
- 2013 - 2017 Audi Q5 3.0L
- 2011 - 2019 Audi Q7 3.0L