P0711 on Subaru vehicles The transmission fluid temperature reading does not track what the transmission is doing
P0711 is named on 5 Subaru model years (2019–2023): 5 manufacturer filings and 0 owner reports in NHTSA’s files, across Ascent.
Which Subaru model years name P0711
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2023 Subaru Ascent | Electrical System | 1 | — |
| 2022 Subaru Ascent | Power Train | 1 | — |
| 2021 Subaru Ascent | Electrical System | 1 | — |
| 2020 Subaru Ascent | Electrical System | 1 | — |
| 2019 Subaru Ascent | Power Train | 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 P0711
Source: NHTSA manufacturer communicationsBulletins and campaigns Subaru filed with NHTSA whose summary names P0711. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- 16-141-23R Service bulletin2023-07-11 · Electrical System — Propulsion System — Traction Battery — Thermal Management — Fluid/Coolant
- This bulletin announces availability of reprogramming files to optimize the Transmission Control Module (TCM). The new files were designed to address cases of DTC P0711 (Transmission Fluid Temperature Sensor “A” Circuit Range/Performance) being detected by the TCM during low ambient temperatures (32° F(0° C)).
What P0711 means
Source: SAE J2012 / OBD-IIThe transmission fluid temperature reading does not track what the transmission is doing.
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 P0711 a known problem on Subaru vehicles?
It is a documented one: NHTSA's files hold 5 manufacturer filings and 0 owner reports naming P0711 on 5 Subaru model years (2019–2023). 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 P0711 appear on most?
2023 Ascent (1 document), 2022 Ascent (1 document), 2021 Ascent (1 document).
Does P0711 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.