P0740 on Fiat vehicles A fault in the torque converter clutch circuit
P0740 is named on 16 Fiat model years (2016–2021): 18 manufacturer filings and 0 owner reports in NHTSA’s files, across 500, 124 Spider, 500 L, 500 X, 500e.
Which Fiat model years name P0740
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2020 Fiat 500 | Power Train | 2 | — |
| 2019 Fiat 500 | Power Train | 2 | — |
| 2021 Fiat 500 | Power Train | 1 | — |
| 2020 Fiat 124 Spider | Power Train | 1 | — |
| 2019 Fiat 124 Spider | Power Train | 1 | — |
| 2018 Fiat 124 Spider | Power Train | 1 | — |
| 2018 Fiat 500 | Power Train | 1 | — |
| 2018 Fiat 500 X | Power Train | 1 | — |
| 2017 Fiat 124 Spider | Power Train | 1 | — |
| 2017 Fiat 500 | Power Train | 1 | — |
| 2017 Fiat 500 X | Power Train | 1 | — |
| 2017 Fiat 500e | Power Train | 1 | — |
| 2016 Fiat 500 | Power Train | 1 | — |
| 2016 Fiat 500 L | Power Train | 1 | — |
| 2016 Fiat 500 X | Power Train | 1 | — |
| 2016 Fiat 500e | 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.
Fiat filings that name P0740
Source: NHTSA manufacturer communicationsBulletins and campaigns Fiat filed with NHTSA whose summary names P0740. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- 9004009 Service bulletin2021-04-07 · Power Train
- Transmission Kit with Torque Converter 1. All Promaster (VF) 3.6L/62TE equipped vehicles. If the transmission bracket to the transmission case fasteners are removed during servicing, the fasteners (Part Number 06511385A$) are one-time usage. Vehicles built prior to 10/23/2015 requires Service Kit PN 68461214AA; includes Transmission Isolator PN 68264483AA, and Adaptation Bracket 68264479AA and Fa
What P0740 means
Source: SAE J2012 / OBD-IIA fault in the torque converter clutch circuit.
A stored code names the test that failed, never the part that caused it. The record above is what Fiat 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 P0740 a known problem on Fiat vehicles?
It is a documented one: NHTSA's files hold 18 manufacturer filings and 0 owner reports naming P0740 on 16 Fiat model years (2016–2021). 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 Fiat models does P0740 appear on most?
2020 500 (2 documents), 2019 500 (2 documents), 2020 124 Spider (1 document).
Does P0740 on a Fiat 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.