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