P0137 on Ford vehicles Downstream bank 1 oxygen sensor reading stuck low
P0137 is named on 5 Ford model years (2016–2019): 5 manufacturer filings and 0 owner reports in NHTSA’s files, across C-MAX, EcoSport, Transit Connect.
Which Ford model years name P0137
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2019 Ford EcoSport | Power Train | 1 | — |
| 2018 Ford EcoSport | Electrical System | 1 | — |
| 2017 Ford C-MAX | Equipment | 1 | — |
| 2016 Ford C-MAX | Engine | 1 | — |
| 2016 Ford Transit Connect | 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.
Ford filings that name P0137
Source: NHTSA manufacturer communicationsBulletins and campaigns Ford filed with NHTSA whose summary names P0137. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- SSM 46076 Service bulletin2016-09-19 · Equipment
- Some 2016 Model Year Fusion, MKZ and C-MAX Hybrid Electric Vehicles(HEV) vehicles equipped with 2.0L DOHC Gas/Electric engines may exhibit MIL On with Diagnostic Trouble Code P0137(O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) in Powertrain Control Module(PCM) memory and U3003 (Battery Voltage) in Battery Energy Control Module(BECM) memory due to low battery voltage. Perform Battery diagnostic t
- TSB 19-2005 Service bulletin2018-12-12 · Power Train — Automatic Transmission
- Some 2018-2019 EcoSport vehicles equipped with a 2.0L Duratec engine and an automatic transmission and built on 1-Sep-2017 and through 28-Nov-2018 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0137 and/or P0141. This may be due to a faulty catalyst monitor sensor (CMS) as well as powertrain control module (PCM) software. Follow the Service Proced
- TSB 16-0163 Service bulletin2016-12-09 · Engine
- SOME 2014-2016 TRANSIT CONNECT VEHICLES EQUIPPED WITH THE 2.5L ENGINE MAY EXHIBIT A CONSTANT OR INTERMITTENT ILLUMINATED MIL WITH VARIOUS DRIVABILITY ISSUES AND ONE OR MORE OF THE FOLLOWING DTCS: P0010, P0103, P0104, P0122, P0131, P0135, P0137, P0141, P0201-P0204, P0217, P0222, P0223, P025A, P0300, P0301-P0304, P0316, P0351-P0354, P0400, P0403, P0443, P1285, P1289, P128A, P1299, P2101, P2107, P211
What P0137 means
Source: SAE J2012 / OBD-IIDownstream bank 1 oxygen sensor reading stuck low.
A stored code names the test that failed, never the part that caused it. The record above is what Ford 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 P0137 a known problem on Ford vehicles?
It is a documented one: NHTSA's files hold 5 manufacturer filings and 0 owner reports naming P0137 on 5 Ford model years (2016–2019). 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 Ford models does P0137 appear on most?
2017 C-MAX (1 document), 2016 C-MAX (1 document), 2019 EcoSport (1 document).
Does P0137 on a Ford 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.