Service bulletins for the 2020 Cadillac CT4
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
888 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Driver assistance are shown. Show all
| PIC6382E | 2020-08-10. Service bulletin. BACK OVER PREVENTION. This PI communicates a parts restriction is in effect on 2020 cadillac CT4, and CT5 Front View Camera Module. |
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| PIC6382D | 2020-08-10. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA. This PI communicates a parts restriction is in effect on 2020 cadillac CT4, and CT5 Front View Camera Module. |
| PIC6382C | 2020-08-10. Service bulletin. FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM. This PI communicates a parts restriction is in effect on 2020 cadillac CT4, and CT5 Front View Camera Module. |
| PIC6382B | 2020-08-10. Service bulletin. FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; EQUIPMENT:ELECTRICAL. This PI communicates a parts restriction is in effect on 2020 cadillac CT4, and CT5 Front View Camera Module. |
| PIC6388A | 2020-04-13. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION; VISIBILITY. This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, and CT5 Side Blind Zone Module. |
| PIC6382A | 2020-04-13. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION. This PI communicates a parts restriction is in effect on 2020 cadillac CT4, and CT5 Front View Camera Module. |
| PIC6381A | 2020-04-13. Service bulletin. ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION. This Preliminary information communicates a parts restriction is in place for the Suspension Control Module on 2020 Cadillac CT4, CT5. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.