U1624 on Chevrolet vehicles
U1624 is named on 5 Chevrolet model years (2025–2026): 16 manufacturer filings and 0 owner reports in NHTSA’s files, across Silverado, Suburban, Tahoe, Traverse.
Which Chevrolet model years name U1624
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2026 Chevrolet Silverado | Not specified | 6 | — |
| 2025 Chevrolet Silverado | Not specified | 4 | — |
| 2026 Chevrolet Suburban | Not specified | 2 | — |
| 2026 Chevrolet Tahoe | Not specified | 2 | — |
| 2026 Chevrolet Traverse | Not specified | 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.
Chevrolet filings that name U1624
Source: NHTSA manufacturer communicationsBulletins and campaigns Chevrolet filed with NHTSA whose summary names U1624. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- PIC6607A Service bulletin2025-09-08 · Unknown Or Other
- This Preliminary information communicates not to replace the Image processing Module if the following DTC's are history - U3000 SYM49, U1624, U0140, U023B SYM00, U053C, B1DD SYM57.
- PIC6607B Service bulletin2025-09-27 · Unknown Or Other
- This Preliminary information communicates not to replace the Image processing Module if the following DTC's are history - U3000 SYM49, U1624, U0140, U023B SYM00, U053C, B1DD SYM57.
- PIT6455 Service bulletin2025-11-20 · Unknown Or Other
- This PI communications information that Engineering is investigating the Service Driver Assist message with current DTC B1B2F Telematics Control Module and U1624 Image Processing Control Module setting.
- PIT6455A Service bulletin2026-05-04 · Unknown Or Other
- This PI communications information that Engineering is investigating the Service Driver Assist message with current DTC B1B2F Telematics Control Module and U1624 Image Processing Control Module setting.
- PIT6455B Service bulletin2026-07-13 · Unknown Or Other
- This PI communications information that Engineering is investigating the Service Driver Assist message with current DTC B1B2F Telematics Control Module and U1624 Image Processing Control Module setting.
What U1624 means
Source: SAE J2012 / OBD-IIU1624 is a manufacturer-specific code: the second character is a 1, which under the OBD-II standard hands the definition to whoever built the vehicle. The same code can mean one thing on a Ford and something unrelated on a Hyundai. Any site that prints a single definition for it is guessing.
A stored code names the test that failed, never the part that caused it. The record above is what Chevrolet 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 U1624 a known problem on Chevrolet vehicles?
It is a documented one: NHTSA's files hold 16 manufacturer filings and 0 owner reports naming U1624 on 5 Chevrolet model years (2025–2026). 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 Chevrolet models does U1624 appear on most?
2026 Silverado (6 documents), 2025 Silverado (4 documents), 2026 Suburban (2 documents).
Does U1624 on a Chevrolet 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.