P2127 on Jeep vehicles
P2127 is named on 12 Jeep model years (2016–2017): 24 manufacturer filings and 1 owner report in NHTSA’s files, across Patriot, Cherokee, Compass, Grand Cherokee, Renegade and 1 more.
Which Jeep model years name P2127
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2016 Jeep Patriot | Vehicle Speed Control | 2 | 1 |
| 2017 Jeep Cherokee | Vehicle Speed Control | 2 | — |
| 2017 Jeep Compass | Vehicle Speed Control | 2 | — |
| 2017 Jeep Grand Cherokee | Vehicle Speed Control | 2 | — |
| 2017 Jeep Patriot | Vehicle Speed Control | 2 | — |
| 2017 Jeep Renegade | Vehicle Speed Control | 2 | — |
| 2017 Jeep Wrangler | Vehicle Speed Control | 2 | — |
| 2016 Jeep Cherokee | Vehicle Speed Control | 2 | — |
| 2016 Jeep Compass | Vehicle Speed Control | 2 | — |
| 2016 Jeep Grand Cherokee | Vehicle Speed Control | 2 | — |
| 2016 Jeep Renegade | Vehicle Speed Control | 2 | — |
| 2016 Jeep Wrangler | Vehicle Speed Control | 2 | — |
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.
What Jeep owners said
Source: NHTSA complaint databaseOwners’ own words, scrubbed of anything identifying. Unverified reports filed with NHTSA — what was said, not a finding that it was true.
Vehicle has had total of 9 incidents involving check engine light involving fail code 22, p2127,p2138
Jeep filings that name P2127
Source: NHTSA manufacturer communicationsBulletins and campaigns Jeep filed with NHTSA whose summary names P2127. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- 9003413 Service bulletin2017-06-14 · Vehicle Speed Control — Accelerator Pedal
- Accelerator Pedal Before replacing accelerator pedal, be sure to follow fault code diagnostic procedures in service manual. Make sure to check wiring and connectors. P2122 and P2127 will set if accelerator pedal connector is disconnected during diagnosis. Make sure codes are active before replacing pedal. DTC P2299 is usually caused by a two footed driver and accelerator pedal should not be repla
- 9003413 Service bulletin2017-06-14 · Vehicle Speed Control — Accelerator Pedal
- Accelerator Pedal Before replacing accelerator pedal, be sure to follow fault code diagnostic procedures in service manual. Make sure to check wiring and connectors. P2122 and P2127 will set if accelerator pedal connector is disconnected during diagnosis. Make sure codes are active before replacing pedal. DTC P2299 is usually caused by a two footed driver and accelerator pedal should not be r
What P2127 means
Source: SAE J2012 / OBD-IIP2127 sits in the generic range of the OBD-II standard, so it means the same thing on every vehicle sold in the United States — but WhichTrim does not carry a definition for it and will not invent one. What is on this page is the record: who named it and on what.
A stored code names the test that failed, never the part that caused it. The record above is what Jeep 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 P2127 a known problem on Jeep vehicles?
It is a documented one: NHTSA's files hold 24 manufacturer filings and 1 owner report naming P2127 on 12 Jeep 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 Jeep models does P2127 appear on most?
2016 Patriot (3 documents), 2017 Cherokee (2 documents), 2016 Cherokee (2 documents).
Does P2127 on a Jeep 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.