2025-2026 Cadillac Celestiq Problems: 3 Known Issues
2025-2026 model years · 75+ owner reports · Updated November 2026
According to Au7o's analysis of 75+ owner reports, the 2025-2026 Cadillac Celestiq has 3 documented known issues. No issues are rated critical, indicating generally reliable ownership. DIY maintenance guides at au7o.io.
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All 3 Known Issues
NHTSA Recalls1 recall
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
General Motors, LLC (GM) is recalling certain 2023–2027 Cadillac LYRIQ, 2025–2026 model year Cadillac CELESTIQ, 2024–2027 Chevrolet Blazer EV, and 2026-2027 Cadillac VISTIQ vehicles. The brake system control module (BSCM) contains a software defect that may cause a loss of braking during certain driving conditions.
Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.
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Frequently Asked Questions
What are the most common Cadillac Celestiq problems?
According to Au7o's analysis of 75+ owner reports, the 2025-2026 Cadillac Celestiq has 3 documented issues. The most frequently reported are: Infotainment and Driver Display Software Glitches, 12V Auxiliary Battery Drain on Ultium Platform, Complex Software Integration Issues Across Vehicle Systems. None are rated critical, but regular maintenance is recommended.
Is the Cadillac Celestiq reliable?
The 2025-2026 Cadillac Celestiq has 3 known issues documented across 75+ owner reports. No issues are rated critical, suggesting generally good reliability. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Cadillac Celestiq problems?
Repair costs for known Cadillac Celestiq issues range from $0 to $500, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2025-2026 Cadillac Celestiq Infotainment and Driver Display Software Glitches?
The Celestiq features a 55-inch diagonal LED display spanning the dashboard. Early production vehicles have experienced software issues including screen blackouts, display freezing, navigation system hanging, and OnStar connectivity problems. GM has released TSBs with software up… Repairs typically run $0-$500. Severity: medium.
What is the 2025 Cadillac Celestiq 12V Auxiliary Battery Drain on Ultium Platform?
The Celestiq shares the GM Ultium platform with the Lyriq and Blazer EV, and inherits the 12V auxiliary battery drain issue common to these vehicles. The vehicle electronics draw power from the 12V battery even when parked, and the high-voltage system may not always recharge it p… Repairs typically run $0-$400. Severity: low.
What is the 2025 Cadillac Celestiq Complex Software Integration Issues Across Vehicle Systems?
As a hand-built, technology-flagship vehicle, the Celestiq experiences occasional software integration issues between its numerous systems including the 55-inch LED display, four-zone smart glass roof, and advanced driver assistance features. Individual systems may temporarily lo… Repairs typically run $0-$500. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.