P0327 on Subaru vehicles Knock sensor 1 signal too low
P0327 is named on 11 Subaru model years (2016–2017): 21 manufacturer filings and 0 owner reports in NHTSA’s files, across Forester, WRX, Legacy/Outback, BRZ, Crosstrek and 1 more.
Which Subaru model years name P0327
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2017 Subaru Forester | Engine | 3 | — |
| 2017 Subaru WRX | Engine | 3 | — |
| 2016 Subaru Forester | Engine | 3 | — |
| 2016 Subaru WRX | Engine | 3 | — |
| 2017 Subaru Legacy/Outback | Engine | 2 | — |
| 2016 Subaru Legacy/Outback | Engine | 2 | — |
| 2017 Subaru BRZ | Engine | 1 | — |
| 2017 Subaru Crosstrek | Engine | 1 | — |
| 2016 Subaru BRZ | Engine | 1 | — |
| 2016 Subaru Crosstrek | Engine | 1 | — |
| 2016 Subaru Impreza/Outback Sport | Engine | 1 | — |
A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.
Subaru filings that name P0327
Source: NHTSA manufacturer communicationsBulletins and campaigns Subaru filed with NHTSA whose summary names P0327. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- 07-133-18 Service bulletin2018-02-09 · Engine
- 2.0L Turbor Models only. This Service Information Bulletin announces design changes to the engine?s knock sensor which will help improve vehicle assembly line efficiency and increase durability. In some cases, the Check Engine light may illuminate and a knock sensor-related DTC set in the ECM memory: P0327, P0328, P0332 and P0333.
- 07-133-18 Service bulletin2018-02-09 · Engine
- 2.0L Turbor Models only. This Service Information Bulletin announces design changes to the engine?s knock sensor which will help improve vehicle assembly line efficiency and increase durability. In some cases, the Check Engine light may illuminate and a knock sensor-related DTC set in the ECM memory: P0327, P0328, P0332 and P0333.
- 07-133-18 Service bulletin2018-11-14 · Engine
- This Service Information Bulletin announces design changes to the engine?s knock sensor which will help improve vehicle assembly line efficiency and increase durability. In some cases, the Check Engine light may illuminate and a knock sensor-related DTC set in the ECM memory: P0327, P0328, P0332 and P0333. The knock sensor for DIT engines is now utilized for NA engines to improve durability and re
What P0327 means
Source: SAE J2012 / OBD-IIKnock sensor 1 signal too low.
A stored code names the test that failed, never the part that caused it. The record above is what Subaru and its owners have filed about it; the code’s page across every make has the whole file.
Common questions
Source: NHTSA files and the OBD-II standardIs P0327 a known problem on Subaru vehicles?
It is a documented one: NHTSA's files hold 21 manufacturer filings and 0 owner reports naming P0327 on 11 Subaru model years (2016–2017). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.
Which Subaru models does P0327 appear on most?
2017 Forester (3 documents), 2016 Forester (3 documents), 2017 WRX (3 documents).
Does P0327 on a Subaru mean it is recalled?
No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.