Manufacturer communications · 2026
Cadillac bulletins dated 2026
319 communications, newest first. All Cadillac bulletins →
Bulletins
319 bulletins
| Number | Kind | Component | Dated | Model years |
|---|---|---|---|---|
| CONNECTIVITY 2026.3 | Over-the-air update | — | Oct 31, 2026 | 2025 Lyriq, 2024 Lyriq |
| TELEMATICS 2026.3 | Over-the-air update | — | Oct 26, 2026 | 2027 Escalade, 2027 Lyriq, 2027 Optiq +1 |
| N262565450 | Service campaign | Electrical System | Oct 26, 2026 | 2026 Escalade, 2025 Escalade, 2024 Lyriq |
| GM UPDATE V176 | Over-the-air update | — | Oct 26, 2026 | 2025 XT5, 2025 XT6 |
| GM UPDATE N25-250552 | Over-the-air update | — | Oct 26, 2026 | 2020 CT6, 2019 CT6, 2022 XT4 +4 |
| CABIN & DRIVING 2026.3 | Over-the-air update | — | Oct 26, 2026 | 2027 Escalade, 2026 Escalade, 2027 Optiq +4 |
| PIT6368F | Service bulletin | — | Oct 24, 2026 | 2027 Escalade, 2026 Escalade, 2025 Escalade +9 |
| PIP6140 | Service bulletin | — | Oct 24, 2026 | 2025 Escalade |
| PIT6554A | Service bulletin | — | Oct 21, 2026 | 2027 Escalade, 2026 Escalade |
| CABIN & CONNECTIVITY 2026.3 | Over-the-air update | — | Oct 21, 2026 | 2027 Escalade, 2026 Escalade |
| PIT6558 | Service bulletin | — | Oct 19, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6534A | Service bulletin | — | Oct 16, 2026 | 2027 Vistiq |
| PIC6663A | Service bulletin | — | Oct 16, 2026 | 2027 Lyriq |
| N262570770-03 | Service campaign | Engine | Oct 16, 2026 | 2025 XT5, 2024 XT5, 2023 XT5 +3 |
| DRIVING 2026.3 | Over-the-air update | — | Oct 15, 2026 | 2025 Escalade |
| INFOTAINMENT 2026.3 | Over-the-air update | — | Oct 14, 2026 | 2025 Lyriq, 2024 Lyriq |
| ENERGY 2026.3 | Over-the-air update | — | Oct 12, 2026 | 2025 Lyriq, 2024 Lyriq |
| N262573420 | Service campaign | Suspension | Oct 8, 2026 | 2026 CT5 |
| GATEWAY 2026.3 | Over-the-air update | — | Oct 8, 2026 | 2027 Escalade, 2026 Escalade, 2025 Escalade +5 |
| PIT6110L | Service bulletin | — | Oct 7, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +19 |
| PIC6666 | Service bulletin | — | Oct 7, 2026 | 2027 Optiq, 2026 Optiq, 2025 Optiq |
| PIT6477D | Service bulletin | — | Oct 5, 2026 | 2027 Escalade, 2026 Escalade, 2025 Escalade +4 |
| DRIVING & CONNECTIVITY 2026.3 | Over-the-air update | — | Oct 5, 2026 | 2027 Lyriq |
| DIGITAL KEY [CONNECTIVITY 2026.3] | Over-the-air update | — | Oct 5, 2026 | 2025 Lyriq, 2027 Optiq, 2026 Optiq +2 |
| PIT6554 | Service bulletin | — | Oct 2, 2026 | 2027 Escalade, 2026 Escalade |
| PIT6551A | Service bulletin | — | Sep 28, 2026 | 2027 Escalade, 2026 Escalade |
| PIT6457C | Service bulletin | — | Sep 28, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +35 |
| PIT6368E | Service bulletin | — | Sep 28, 2026 | 2027 Escalade, 2026 Escalade, 2025 Escalade +10 |
| PIC6540K | Service bulletin | — | Sep 28, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +35 |
| PIT5698F | Service bulletin | — | Sep 26, 2026 | 2019 ATS, 2018 ATS, 2017 ATS +89 |
| PIC6665 | Service bulletin | — | Sep 25, 2026 | 2027 Optiq |
| N262570770-02 | Service campaign | Engine | Sep 25, 2026 | 2025 XT5, 2024 XT5, 2023 XT5 +3 |
| 663.10 | Over-the-air update | — | Sep 24, 2026 | 2026 CT4, 2025 CT4, 2026 CT5 +5 |
| N262558690-02 | Service campaign | Fuel/Propulsion System | Sep 23, 2026 | 2022 Escalade |
| PIT6551 | Service bulletin | — | Sep 22, 2026 | 2027 Escalade, 2026 Escalade |
| PIT6549 | Service bulletin | — | Sep 21, 2026 | 2026 Escalade, 2025 Escalade |
| PIP5700H | Service bulletin | — | Sep 21, 2026 | 2019 ATS, 2018 ATS, 2017 ATS +13 |
| PIT6550 | Service bulletin | — | Sep 18, 2026 | 2026 Escalade, 2025 Escalade |
| PIC6663 | Service bulletin | — | Sep 18, 2026 | 2027 Lyriq |
| N262570770-01 | Service campaign | Engine | Sep 18, 2026 | 2025 XT5, 2024 XT5, 2023 XT5 +3 |
| N262558690 | Service campaign | Fuel/Propulsion System | Sep 16, 2026 | 2022 Escalade |
| PIT6426C | Service bulletin | — | Sep 15, 2026 | 2026 CT5, 2025 CT5, 2026 Celestiq +13 |
| PIC6645A | Service bulletin | — | Sep 15, 2026 | 2027 Optiq, 2026 Optiq, 2025 Optiq |
| N262570770 | Service campaign | Engine | Sep 15, 2026 | 2025 XT5, 2024 XT5, 2023 XT5 +3 |
| 663.40 | Over-the-air update | — | Sep 14, 2026 | 2026 Celestiq, 2025 Celestiq, 2025 Escalade |
| 663.30 | Over-the-air update | — | Sep 11, 2026 | 2026 Celestiq, 2025 Celestiq, 2026 Escalade +2 |
| PIT5801F | Service bulletin | — | Sep 10, 2026 | 2025 Escalade, 2024 Escalade, 2023 Escalade +2 |
| PIC6629F | Service bulletin | — | Sep 10, 2026 | 2025 CT5, 2026 Celestiq, 2025 Celestiq +10 |
| PIC6555A | Service bulletin | — | Sep 8, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +11 |
| PIP4902W | Service bulletin | — | Sep 4, 2026 | 2019 ATS, 2018 ATS, 2017 ATS +89 |
| PIP6094A | Service bulletin | — | Sep 3, 2026 | 2026 CT5, 2025 CT5, 2024 CT5 |
| 663.20 | Over-the-air update | — | Sep 3, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6544 | Service bulletin | — | Sep 2, 2026 | 2026 CT5, 2025 CT5, 2026 Celestiq +11 |
| PIT6539 | Service bulletin | — | Sep 2, 2026 | 2026 Escalade |
| PIC6583J | Service bulletin | — | Sep 2, 2026 | 2025 Celestiq, 2025 Escalade, 2025 Lyriq +3 |
| PIT6320C | Service bulletin | — | Sep 1, 2026 | 2025 Escalade |
| PIT6540 | Service bulletin | — | Aug 31, 2026 | 2025 Escalade |
| 662.30 | Over-the-air update | — | Aug 31, 2026 | 2026 CT4, 2025 CT4, 2026 CT5 +5 |
| PIT6533B | Service bulletin | — | Aug 28, 2026 | 2026 CT5, 2027 Escalade, 2026 Escalade +3 |
| PIT6541 | Service bulletin | — | Aug 27, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +28 |
| PIT6529B | Service bulletin | — | Aug 27, 2026 | 2024 Escalade, 2023 Escalade |
| PIT6516C | Service bulletin | — | Aug 27, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +4 |
| PIT6503E | Service bulletin | — | Aug 27, 2026 | 2026 CT5, 2025 CT5, 2025 Lyriq +3 |
| PIT5869B | Service bulletin | — | Aug 26, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +3 |
| N252516700-01 | Service campaign | — | Aug 26, 2026 | 2026 Escalade, 2025 Escalade |
| 662.20 | Over-the-air update | — | Aug 24, 2026 | 2026 CT4, 2025 CT4, 2026 CT5 +10 |
| PIT6452E | Service bulletin | — | Aug 22, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6503D | Service bulletin | — | Aug 21, 2026 | 2026 CT5, 2025 CT5, 2025 Lyriq +3 |
| PIC6661 | Service bulletin | — | Aug 20, 2026 | 2027 Optiq, 2026 Optiq, 2025 Optiq |
| PIC6551C | Service bulletin | — | Aug 20, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +44 |
| N252502891-01 | Service campaign | Power Train | Aug 20, 2026 | 2025 Escalade, 2025 Lyriq, 2024 Lyriq |
| N252502890-01 | Service campaign | Power Train | Aug 20, 2026 | 2025 Optiq |
| PIT6534 | Service bulletin | — | Aug 18, 2026 | 2027 Lyriq, 2027 Optiq, 2027 Vistiq |
| PIC6656A | Service bulletin | — | Aug 18, 2026 | 2027 Optiq, 2026 Optiq, 2025 Optiq |
| N262545571 | Service bulletin | — | Aug 18, 2026 | 2025 Escalade |
| PIT6533A | Service bulletin | — | Aug 14, 2026 | 2026 CT5, 2027 Escalade, 2026 Escalade +4 |
| N252501791 | Service campaign | — | Aug 13, 2026 | 2023 Lyriq |
| 662.10 | Over-the-air update | — | Aug 13, 2026 | 2024 CT4, 2024 CT5, 2026 Escalade +6 |
| PIT6536 | Service bulletin | — | Aug 12, 2026 | 2026 Escalade |
| PIT6503C | Service bulletin | — | Aug 12, 2026 | 2026 CT5, 2025 CT5, 2025 Lyriq +3 |
| 663.80 | Over-the-air update | — | Aug 12, 2026 | 2026 Celestiq, 2025 Celestiq |
| 663.70 | Over-the-air update | — | Aug 12, 2026 | 2026 Celestiq, 2025 Celestiq |
| 663.60 | Over-the-air update | — | Aug 12, 2026 | 2026 Celestiq, 2025 Celestiq |
| 663.50 | Over-the-air update | — | Aug 12, 2026 | 2026 Celestiq, 2025 Celestiq |
| PIT6368D | Service bulletin | — | Aug 5, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +6 |
| PIC6658 | Service bulletin | — | Aug 4, 2026 | 2026 CT5, 2027 Lyriq, 2026 Lyriq +4 |
| N262568830 | Service campaign | Engine | Aug 4, 2026 | 2026 CT5 |
| PIT6512A | Service bulletin | — | Aug 3, 2026 | 2026 CT5, 2025 CT5, 2026 Celestiq +12 |
| PIT6533 | Service bulletin | — | Jul 30, 2026 | 2026 Escalade |
| PIT6517C | Service bulletin | — | Jul 30, 2026 | 2026 Celestiq, 2026 Escalade, 2027 Optiq +3 |
| PIT6110K | Service bulletin | — | Jul 28, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +19 |
| 662.60 | Over-the-air update | — | Jul 28, 2026 | 2026 Escalade, 2026 Lyriq |
| PIT6446A | Service bulletin | — | Jul 24, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +14 |
| PIC6656 | Service bulletin | — | Jul 24, 2026 | 2027 Optiq, 2026 Optiq, 2025 Optiq |
| N262555781 | Service campaign | Seats | Jul 24, 2026 | 2027 Vistiq |
| 661.20 | Over-the-air update | — | Jul 24, 2026 | 2025 CT4, 2025 CT5, 2026 Celestiq +7 |
| N252528241-01 | Service campaign | Service Brakes | Jul 23, 2026 | 2026 Optiq, 2025 Optiq |
| PIT5509N | Service bulletin | — | Jul 21, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +3 |
| PIT5099J | Service bulletin | — | Jul 21, 2026 | 2019 ATS, 2018 ATS, 2017 ATS +84 |
| N252534680 | Service campaign | Visibility/Wiper | Jul 16, 2026 | 2026 Optiq, 2025 Optiq |
| PIP6081C | Service bulletin | — | Jul 14, 2026 | 2026 Escalade, 2025 Escalade |
| 662.50 | Over-the-air update | — | Jul 14, 2026 | 2026 Escalade, 2026 Lyriq |
| 662.40 | Over-the-air update | — | Jul 14, 2026 | 2026 Lyriq |
| PIT6529A | Service bulletin | — | Jul 13, 2026 | 2024 Escalade, 2023 Escalade |
| PIP6021D | Service bulletin | — | Jul 13, 2026 | 2026 Celestiq, 2025 Celestiq, 2026 Lyriq +6 |
| PIC6655 | Service bulletin | — | Jul 13, 2026 | 2027 Optiq, 2026 Optiq, 2025 Optiq |
| PIC6628E | Service bulletin | — | Jul 10, 2026 | 2026 Optiq, 2025 Optiq |
| PIT6481C | Service bulletin | — | Jul 9, 2026 | 2026 Escalade |
| N25-252332 | Over-the-air update | — | Jul 9, 2026 | 2026 CT4, 2025 CT4, 2026 CT5 +12 |
| PIT6146A | Service bulletin | — | Jul 8, 2026 | 2026 Escalade, 2025 Escalade |
| PIT5855K | Service bulletin | — | Jul 6, 2026 | 2026 XT5, 2025 XT5, 2024 XT5 +9 |
| PIT6476C | Service bulletin | — | Jun 29, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +2 |
| PIT6288J | Service bulletin | — | Jun 29, 2026 | 2026 Escalade, 2025 Escalade |
| 661.10 | Over-the-air update | — | Jun 25, 2026 | 2026 CT4, 2025 CT4, 2026 CT5 +12 |
| 661.30 | Over-the-air update | — | Jun 24, 2026 | 2025 Celestiq, 2026 Escalade, 2025 Escalade +3 |
| PIT6529 | Service bulletin | — | Jun 23, 2026 | 2024 Escalade, 2023 Escalade |
| PIT5966F | Service bulletin | — | Jun 23, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +43 |
| 662.11 | Over-the-air update | — | Jun 19, 2026 | 2026 Escalade |
| PIT6520 | Service bulletin | — | Jun 18, 2026 | 2026 Escalade, 2025 Escalade |
| PIP6021C | Service bulletin | — | Jun 18, 2026 | 2026 Celestiq, 2025 Celestiq, 2026 Lyriq +6 |
| PIC6552G | Service bulletin | — | Jun 18, 2026 | 2026 Lyriq, 2025 Lyriq, 2024 Lyriq +1 |
| PIT6503B | Service bulletin | — | Jun 17, 2026 | 2026 CT5, 2025 CT5, 2025 Lyriq +3 |
| PIT6374D | Service bulletin | — | Jun 17, 2026 | 2026 Escalade, 2025 Escalade |
| 661.50 | Over-the-air update | Exterior Lighting | Jun 17, 2026 | 2025 Celestiq, 2026 Escalade, 2025 Escalade +1 |
| PIP6103C | Service bulletin | — | Jun 12, 2026 | 2026 Lyriq, 2025 Lyriq, 2024 Lyriq +3 |
| PIT6523 | Service bulletin | — | Jun 10, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6522 | Service bulletin | — | Jun 10, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +3 |
| PIT6506A | Service bulletin | — | Jun 10, 2026 | 2026 Escalade |
| PIT6132E | Service bulletin | — | Jun 9, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +3 |
| PIT6493C | Service bulletin | — | Jun 8, 2026 | 2026 Escalade |
| PIT6288H | Service bulletin | — | Jun 8, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6525 | Service bulletin | — | Jun 5, 2026 | 2026 XT5 |
| PIT6477C | Service bulletin | — | Jun 5, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +3 |
| PIT6426B | Service bulletin | — | Jun 5, 2026 | 2025 CT5, 2025 Celestiq, 2026 Escalade +7 |
| PIP6123 | Service bulletin | — | Jun 5, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6503A | Service bulletin | — | Jun 3, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +23 |
| 661.60 | Over-the-air update | — | Jun 3, 2026 | 2026 Escalade |
| N262552010-01 | Service campaign | Seats | Jun 2, 2026 | 2026 Optiq |
| PIT6519 | Service bulletin | — | May 27, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +29 |
| N262547330 | Service campaign | — | May 27, 2026 | 2026 CT5, 2025 CT5, 2025 Celestiq +8 |
| 661.40 | Over-the-air update | Fuel/Propulsion System | May 27, 2026 | 2025 Celestiq, 2026 Escalade, 2025 Escalade +4 |
| PIT6426A | Service bulletin | — | May 22, 2026 | 2025 CT5, 2025 Celestiq, 2026 Escalade +7 |
| PIC6639B | Service bulletin | — | May 22, 2026 | 2026 Lyriq, 2026 Vistiq |
| PIT6516B | Service bulletin | — | May 21, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +4 |
| PIT6366C | Service bulletin | — | May 21, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6215C | Service bulletin | — | May 21, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +17 |
| PIP6115 | Service bulletin | — | May 21, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +4 |
| PIC6652 | Service bulletin | — | May 21, 2026 | 2026 Lyriq, 2025 Lyriq, 2024 Lyriq +1 |
| N262552010 | Service campaign | Seats | May 20, 2026 | 2026 Optiq |
| PIT6222A | Service bulletin | — | May 15, 2026 | 2024 Escalade, 2023 Escalade |
| PIP6103B | Service bulletin | — | May 15, 2026 | 2026 Lyriq, 2025 Lyriq, 2024 Lyriq +3 |
| PIT6476B | Service bulletin | — | May 14, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +2 |
| PIT6393L | Service bulletin | — | May 14, 2026 | 2026 CT5, 2025 CT5, 2026 Escalade +10 |
| PIT5509M | Service bulletin | — | May 14, 2026 | 2024 Escalade, 2023 Escalade, 2022 Escalade +1 |
| PIC6651 | Service bulletin | — | May 14, 2026 | 2026 Lyriq |
| PIC6540J | Service bulletin | — | May 14, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +30 |
| PIT6516A | Service bulletin | — | May 13, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +4 |
| PIT6513 | Service bulletin | — | May 11, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +8 |
| PIT6512 | Service bulletin | — | May 11, 2026 | 2026 CT5, 2025 CT5, 2025 Escalade +6 |
| PIT6496B | Service bulletin | — | May 11, 2026 | 2026 Escalade |
| PIP6103A | Service bulletin | — | May 11, 2026 | 2026 Lyriq, 2025 Lyriq, 2024 Lyriq +3 |
| PIP6101B | Service bulletin | — | May 11, 2026 | 2026 CT4, 2025 CT4, 2026 CT5 +7 |
| PIC6551B | Service bulletin | — | May 11, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +43 |
| PIC6540H | Service bulletin | — | May 11, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +30 |
| PIC6423A | Service bulletin | — | May 11, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +43 |
| N262552620 | Service campaign | Engine | May 11, 2026 | 2021 Escalade |
| PIT6516 | Service bulletin | — | May 8, 2026 | 2026 Celestiq, 2025 Celestiq, 2026 Escalade +6 |
| PIC6629E | Service bulletin | — | May 8, 2026 | 2025 CT5, 2026 Celestiq, 2025 Celestiq +8 |
| N262547330-01 | Service campaign | — | May 8, 2026 | 2026 CT5, 2025 CT5, 2025 Celestiq +8 |
| N262552610 | Service campaign | Engine | May 7, 2026 | 2023 CT4, 2023 CT5 |
| PIT6248C | Service bulletin | — | May 6, 2026 | 2023 Lyriq |
| PIC6566C | Service bulletin | — | May 6, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +6 |
| 661.22 | Over-the-air update | — | May 5, 2026 | 2025 Escalade |
| N252528241 | Service campaign | Service Brakes | May 4, 2026 | 2026 Optiq |
| 661.21 | Over-the-air update | — | May 1, 2026 | 2025 Celestiq, 2025 Escalade, 2024 Lyriq |
| PIT6514 | Service bulletin | — | Apr 30, 2026 | 2026 Escalade, 2025 Escalade |
| PIC6580A | Service bulletin | — | Apr 30, 2026 | 2026 Lyriq, 2025 Lyriq, 2024 Lyriq +1 |
| PIC6540G | Service bulletin | — | Apr 30, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +30 |
| PIT6393K | Service bulletin | — | Apr 28, 2026 | 2026 CT5, 2025 CT5, 2026 Escalade +10 |
| 661.31 | Over-the-air update | — | Apr 28, 2026 | 2025 Lyriq, 2024 Lyriq |
| PIT6470A | Service bulletin | — | Apr 27, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6511 | Service bulletin | — | Apr 25, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +23 |
| PIT6508 | Service bulletin | — | Apr 23, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6502B | Service bulletin | — | Apr 23, 2026 | 2025 XT4, 2024 XT4 |
| PIT6493B | Service bulletin | — | Apr 23, 2026 | 2026 Escalade |
| PIC6629D | Service bulletin | — | Apr 23, 2026 | 2025 CT5, 2026 Celestiq, 2025 Celestiq +10 |
| PIC6620A | Service bulletin | — | Apr 23, 2026 | 2026 Optiq, 2025 Optiq |
| 654.51 | Over-the-air update | — | Apr 23, 2026 | 2026 CT4, 2026 CT5 |
| PIC6537F | Service bulletin | — | Apr 22, 2026 | 2026 Optiq |
| PIT6506 | Service bulletin | — | Apr 21, 2026 | 2026 Escalade |
| PIT6481B | Service bulletin | — | Apr 21, 2026 | 2026 Escalade |
| PIT6452D | Service bulletin | — | Apr 21, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6288G | Service bulletin | — | Apr 21, 2026 | 2026 Escalade, 2025 Escalade |
| 661.11 | Over-the-air update | — | Apr 21, 2026 | 2026 Vistiq |
| PIT6507 | Service bulletin | — | Apr 20, 2026 | 2021 CT4, 2021 CT5, 2021 Escalade |
| PIT6339A | Service bulletin | — | Apr 20, 2026 | 2025 Escalade, 2025 Optiq |
| PIC6604A | Service bulletin | — | Apr 20, 2026 | 2026 Optiq, 2025 Optiq |
| PIC6485F | Service bulletin | — | Apr 20, 2026 | 2026 Lyriq, 2025 Lyriq, 2024 Lyriq +1 |
| N252536751-01 | Warranty extension | Wheels | Apr 20, 2026 | 2022 Escalade |
| N252536751 | Warranty extension | Wheels | Apr 17, 2026 | 2022 Escalade |
| PIT6505 | Service bulletin | — | Apr 16, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade |
| PIT6503 | Service bulletin | — | Apr 14, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +23 |
| PIT6493A | Service bulletin | — | Apr 14, 2026 | 2026 Escalade |
| N252521591 | Service campaign | — | Apr 10, 2026 | 2026 Escalade, 2026 Vistiq |
| PIC6639A | Service bulletin | — | Apr 9, 2026 | 2026 Lyriq, 2026 Vistiq |
| PIC6627C | Service bulletin | — | Apr 9, 2026 | 2025 Lyriq, 2024 Lyriq, 2023 Lyriq +1 |
| PIP6107 | Service bulletin | — | Apr 8, 2026 | 2026 Escalade, 2025 Escalade |
| N252511441-01 | Service campaign | — | Apr 8, 2026 | 2026 Escalade, 2025 Escalade |
| N252511440-02 | Service campaign | — | Apr 8, 2026 | 2026 Vistiq |
| PIT6288F | Service bulletin | — | Apr 1, 2026 | 2026 Escalade, 2025 Escalade |
| PIT3271Q | Service bulletin | — | Apr 1, 2026 | 2019 ATS, 2018 ATS, 2017 ATS +84 |
| N252529080 | Service campaign | Electrical System | Apr 1, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6416A | Service bulletin | — | Mar 27, 2026 | 2026 XT5, 2025 XT5, 2024 XT5 |
| PIT6368C | Service bulletin | — | Mar 27, 2026 | 2026 Escalade, 2025 Escalade, 2026 Lyriq +4 |
| PIT5992B | Service bulletin | — | Mar 27, 2026 | 2023 XT4, 2022 XT4, 2021 XT4 +2 |
| PIT6476A | Service bulletin | — | Mar 26, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +2 |
| PIT6347B | Service bulletin | — | Mar 26, 2026 | 2024 Escalade, 2023 Escalade, 2022 Escalade +1 |
| PIT6481A | Service bulletin | — | Mar 24, 2026 | 2026 Escalade |
| PIT6499 | Service bulletin | — | Mar 23, 2026 | 2025 Escalade |
| N25-250552 | Over-the-air update | — | Mar 21, 2026 | 2023 XT4, 2022 XT4, 2021 XT4 +10 |
| PIT6500 | Service bulletin | — | Mar 19, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6496A | Service bulletin | — | Mar 19, 2026 | 2026 Escalade |
| PIC6583H | Service bulletin | — | Mar 19, 2026 | 2025 Celestiq, 2025 Escalade, 2025 Lyriq +3 |
| PIT6497 | Service bulletin | — | Mar 17, 2026 | 2025 Escalade, 2024 Escalade |
| PIT6496 | Service bulletin | — | Mar 17, 2026 | 2026 Escalade |
| PIT6413A | Service bulletin | — | Mar 17, 2026 | 2026 Escalade, 2025 Escalade, 2026 Lyriq +6 |
| N252531450 | Service bulletin | Structure | Mar 11, 2026 | 2026 XT5, 2025 XT5 |
| N252521591-04 | Service bulletin | — | Mar 11, 2026 | 2026 CT5, 2026 Escalade, 2026 Vistiq |
| PIT6110J | Service bulletin | — | Mar 9, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +1 |
| PIP6104 | Service bulletin | — | Mar 9, 2026 | 2019 ATS, 2018 ATS, 2017 ATS +84 |
| PIP4902V | Service bulletin | — | Mar 9, 2026 | 2019 ATS, 2018 ATS, 2017 ATS +84 |
| 654.31 | Over-the-air update | — | Mar 9, 2026 | 2025 Optiq |
| 654.30 | Over-the-air update | — | Mar 9, 2026 | 2026 Escalade, 2025 Escalade, 2026 Lyriq +2 |
| PIT6393J | Service bulletin | — | Mar 6, 2026 | 2026 CT5, 2025 CT5, 2026 Escalade +10 |
| PIT6493 | Service bulletin | — | Mar 5, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6394E | Service bulletin | — | Mar 5, 2026 | 2026 CT5, 2025 CT5, 2025 Celestiq +12 |
| PIC6629C | Service bulletin | — | Mar 5, 2026 | 2025 CT5, 2026 Celestiq, 2025 Celestiq +10 |
| PIP6101A | Service bulletin | — | Mar 3, 2026 | 2026 CT4, 2025 CT4, 2026 CT5 +7 |
| N252541510 | Service campaign | — | Mar 3, 2026 | 2026 Celestiq, 2025 Celestiq, 2026 Escalade +8 |
| PIT6425D | Service bulletin | — | Mar 2, 2026 | 2019 ATS, 2026 CT4, 2025 CT4 +58 |
| 654.20 | Over-the-air update | — | Feb 27, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +5 |
| PIT6490 | Service bulletin | — | Feb 26, 2026 | 2026 Escalade |
| PIT6394D | Service bulletin | — | Feb 26, 2026 | 2026 CT5, 2025 CT5, 2025 Celestiq +12 |
| PIC6644A | Service bulletin | — | Feb 26, 2026 | 2024 Lyriq |
| PIC6645 | Service bulletin | — | Feb 25, 2026 | 2026 Optiq, 2025 Optiq |
| PIC6561A | Service bulletin | — | Feb 25, 2026 | 2024 Lyriq, 2023 Lyriq |
| 654.70 | Over-the-air update | — | Feb 25, 2026 | 2025 Escalade, 2024 Lyriq |
| PIP6081B | Service bulletin | — | Feb 23, 2026 | 2026 Escalade, 2025 Escalade |
| PIP6043B | Service bulletin | — | Feb 23, 2026 | 2026 Lyriq, 2025 Lyriq, 2024 Lyriq +4 |
| PIT6456D | Service bulletin | — | Feb 20, 2026 | 2026 CT5, 2025 CT5, 2024 CT5 +16 |
| PIT6300B | Service bulletin | — | Feb 20, 2026 | 2026 Escalade, 2025 Escalade |
| PIC6646 | Service bulletin | — | Feb 20, 2026 | 2026 CT5, 2025 CT5 |
| PIT6415A | Service bulletin | — | Feb 19, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +3 |
| PIC6644 | Service bulletin | — | Feb 19, 2026 | 2024 Lyriq |
| N252516900-01 | Emissions | Fuel/Propulsion System | Feb 19, 2026 | 2021 Escalade, 2023 XT4, 2022 XT4 +5 |
| PIT6477B | Service bulletin | — | Feb 17, 2026 | 2026 Escalade |
| PIT6394C | Service bulletin | — | Feb 17, 2026 | 2026 CT5, 2025 CT5, 2025 Celestiq +12 |
| PIC6643 | Service bulletin | — | Feb 13, 2026 | 2025 XT4, 2024 XT4 |
| PIC6642A | Service bulletin | — | Feb 13, 2026 | 2026 Lyriq, 2025 Lyriq, 2024 Lyriq +1 |
| PIP5865L | Service bulletin | — | Feb 12, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +4 |
| PIP5841J | Service bulletin | — | Feb 12, 2026 | 2025 CT4, 2024 CT4, 2023 CT4 +12 |
| PIT6484 | Service bulletin | — | Feb 11, 2026 | 2026 Escalade, 2025 Escalade |
| N252528270 | Service campaign | — | Feb 11, 2026 | 2026 Escalade |
| N252521591-03 | Service campaign | — | Feb 11, 2026 | 2026 CT5, 2026 Escalade, 2026 Vistiq |
| N252521591-02 | Service campaign | — | Feb 10, 2026 | 2026 CT5, 2026 Escalade, 2026 Vistiq |
| PIT6452C | Service bulletin | — | Feb 7, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6483 | Service bulletin | — | Feb 5, 2026 | 2020 Escalade, 2019 Escalade, 2018 Escalade +2 |
| N252516900 | Emissions | Fuel/Propulsion System | Feb 5, 2026 | 2021 Escalade, 2023 XT4, 2022 XT4 +5 |
| PIP5841H | Service bulletin | — | Feb 4, 2026 | 2025 CT4, 2024 CT4, 2023 CT4 +29 |
| PIC6635D | Service bulletin | — | Feb 4, 2026 | 2024 Lyriq |
| PIT6456C | Service bulletin | — | Feb 3, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +8 |
| 654.50 | Over-the-air update | — | Feb 1, 2026 | 2025 Escalade, 2026 Lyriq, 2025 Lyriq +1 |
| 654.40 | Over-the-air update | — | Feb 1, 2026 | 2025 Escalade, 2026 Lyriq, 2025 Lyriq +1 |
| PIT6481 | Service bulletin | — | Jan 30, 2026 | 2026 Escalade |
| PIT6477A | Service bulletin | — | Jan 30, 2026 | 2026 Escalade |
| PIP5921B | Service bulletin | — | Jan 30, 2026 | 2023 CT4, 2022 CT4, 2021 CT4 +1 |
| PIC6642 | Service bulletin | — | Jan 30, 2026 | 2026 Lyriq, 2025 Lyriq |
| 654.10 | Over-the-air update | — | Jan 30, 2026 | 2026 Escalade, 2025 Escalade, 2026 Lyriq +7 |
| PIT6456B | Service bulletin | — | Jan 29, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +8 |
| PIT6291F | Service bulletin | — | Jan 29, 2026 | 2025 Escalade |
| PIP5865K | Service bulletin | — | Jan 29, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +4 |
| PIC6638A | Service bulletin | — | Jan 29, 2026 | 2026 Celestiq, 2025 Celestiq, 2026 Escalade +4 |
| PIC6635C | Service bulletin | — | Jan 29, 2026 | 2024 Lyriq |
| PIT6478 | Service bulletin | — | Jan 28, 2026 | 2026 Celestiq, 2026 Escalade, 2026 Lyriq +3 |
| PIP6099A | Service bulletin | — | Jan 28, 2026 | 2026 Escalade, 2026 Lyriq, 2026 Optiq +1 |
| PIC6639 | Service bulletin | — | Jan 28, 2026 | 2026 Lyriq, 2026 Vistiq |
| PIC6638 | Service bulletin | — | Jan 28, 2026 | 2026 Celestiq, 2026 Escalade, 2026 Lyriq +2 |
| PIT5985K | Service bulletin | — | Jan 27, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +21 |
| N252494250-01 | Service campaign | — | Jan 27, 2026 | 2025 Escalade, 2026 Lyriq, 2025 Lyriq +3 |
| PIT6477 | Service bulletin | — | Jan 26, 2026 | 2026 Escalade |
| PIT6476 | Service bulletin | — | Jan 26, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +2 |
| PIC6511C | Service bulletin | — | Jan 26, 2026 | 2026 Lyriq, 2025 Lyriq, 2024 Lyriq +1 |
| PIT6366B | Service bulletin | — | Jan 24, 2026 | 2026 Escalade, 2025 Escalade |
| PIT5907E | Service bulletin | — | Jan 23, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +2 |
| PIC6628D | Service bulletin | — | Jan 23, 2026 | 2026 Optiq, 2025 Optiq |
| PIT6465D | Service bulletin | — | Jan 22, 2026 | 2026 Escalade |
| N252494003-02 | Service campaign | Engine | Jan 21, 2026 | 2024 Escalade, 2023 Escalade, 2022 Escalade +1 |
| PIT6456A | Service bulletin | — | Jan 20, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +8 |
| PIP6099 | Service bulletin | — | Jan 20, 2026 | 2026 Escalade, 2026 Lyriq, 2026 Optiq +1 |
| PIC6603A | Service bulletin | — | Jan 19, 2026 | 2025 Optiq |
| PIT6452B | Service bulletin | — | Jan 16, 2026 | 2026 Escalade, 2025 Escalade |
| PIT6425C | Service bulletin | — | Jan 16, 2026 | 2019 ATS, 2026 CT4, 2025 CT4 +58 |
| PIT6400A | Service bulletin | — | Jan 16, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +8 |
| 654.60 | Over-the-air update | — | Jan 16, 2026 | 2025 Lyriq, 2024 Lyriq |
| 654.21 | Over-the-air update | — | Jan 16, 2026 | 2026 Vistiq |
| PIT6471 | Service bulletin | — | Jan 15, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade |
| PIT6344A | Service bulletin | — | Jan 15, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +3 |
| PIT5993F | Service bulletin | — | Jan 15, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +3 |
| PIP6098 | Service bulletin | — | Jan 14, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +51 |
| PIT6457B | Service bulletin | — | Jan 12, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +30 |
| PIP5700G | Service bulletin | — | Jan 12, 2026 | 2019 ATS, 2018 ATS, 2017 ATS +14 |
| PIT6369B | Service bulletin | — | Jan 10, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +11 |
| PIP5841G | Service bulletin | — | Jan 10, 2026 | 2025 CT4, 2024 CT4, 2023 CT4 +30 |
| PIC6566B | Service bulletin | — | Jan 10, 2026 | 2026 CT4, 2025 CT4, 2024 CT4 +6 |
| PIT6470 | Service bulletin | — | Jan 8, 2026 | 2026 Escalade |
| PIP4902U | Service bulletin | — | Jan 8, 2026 | 2019 ATS, 2018 ATS, 2017 ATS +84 |
| PIT5828E | Service bulletin | — | Jan 7, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +3 |
| PIT6459A | Service bulletin | — | Jan 5, 2026 | 2026 Escalade |
| PIT6276B | Service bulletin | — | Jan 5, 2026 | 2026 Escalade, 2025 Escalade, 2024 Escalade +3 |