P0700 on Cadillac vehicles The transmission control module is asking for the warning light — the real code is stored on its side
P0700 is named on 8 Cadillac model years (2023–2025): 17 manufacturer filings and 1 owner report in NHTSA’s files, across Escalade, CT4, CT5.
Which Cadillac model years name P0700
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2023 Cadillac Escalade | Power Train | 4 | 1 |
| 2024 Cadillac Escalade | Power Train | 3 | — |
| 2024 Cadillac CT4 | Electrical System | 2 | — |
| 2024 Cadillac CT5 | Electrical System | 2 | — |
| 2023 Cadillac CT4 | Electrical System | 2 | — |
| 2023 Cadillac CT5 | Power Train | 2 | — |
| 2025 Cadillac CT4 | Power Train | 1 | — |
| 2025 Cadillac CT5 | 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.
What Cadillac 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.
I contacted OnStar, which reported transmission control module-related diagnostic codes P0747 and P0700 and indicated reduced power/transmission malfunction
Cadillac filings that name P0700
Source: NHTSA manufacturer communicationsBulletins and campaigns Cadillac filed with NHTSA whose summary names P0700. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- 23-NA-210 Service bulletin2023-11-27 · Electrical System
- This bulletin provides a procedure to perform a diagnostic check to verify if DTCs P18AE and/or P0700 Set returns when reset and to clear the codes and validate code does not set again.
- 23-NA-210 Service bulletin2024-09-11 · Power Train
- This bulletin provides a procedure to perform a diagnostic check to verify if DTCs P18AE and/or P0700 Set returns when reset and to clear the codes and validate code does not set again.
What P0700 means
Source: SAE J2012 / OBD-IIThe transmission control module is asking for the warning light — the real code is stored on its side.
A stored code names the test that failed, never the part that caused it. The record above is what Cadillac 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 P0700 a known problem on Cadillac vehicles?
It is a documented one: NHTSA's files hold 17 manufacturer filings and 1 owner report naming P0700 on 8 Cadillac model years (2023–2025). 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 Cadillac models does P0700 appear on most?
2023 Escalade (5 documents), 2024 Escalade (3 documents), 2024 CT4 (2 documents).
Does P0700 on a Cadillac 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.