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Service bulletins for the 2025 Cadillac Lyriq

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.

388 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
10-08-110-001L2025-02-11. Service bulletin. STRUCTURE:BODY; VEHICLE SPEED CONTROL. This service bulletin provides information on proper use of floor mats.
01-08-42-001Q2025-02-11. Service bulletin. EXTERIOR LIGHTING. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
N2424851002025-02-11. Service campaign. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Service update - Certain vehicles listed above may have a condition in which the chassis harness branch may contact the rear half shaft boot on LH and RH side. Dealers are to inspect and install chassis wiring harness retainers.
PIC65922025-02-10. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that a rattle/vibration/shudder noise maybe present after a restart and Engineering is currently investigating.
PIE0753G2025-02-08. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.
PIC65902025-02-03. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with Black or Blank Radio Screen concerns that engineering is investigating and looking to collect data to help root cause this issue.
PIT5832U2025-02-03. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5985J2025-02-03. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
PIC6588A2025-02-03. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that this could be a radio software concern that caused this issue and Engineering is currently investigating.
PIT6319A2025-02-03. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that a customer may experience a service high voltage message with a loss of heat. The technician may find P1C01 in history. The technician is advised that updated software will be released in the future. The dealer should advise the customer to cycle the ignition on and off to temporarily resolve the concern.
PIC6537B2025-02-03. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that a noise or vibration maybe heard from the A/C compressor and that Engineering is working on a resolution.
PIC6485C2025-02-03. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that the upper compressor mount could be twisted causing a vibration or noise concern while the compressor is running.
N24-2454162025-01-30. Over-the-air update. UNKNOWN OR OTHER. •Improves performance of wireless communication of the Lithium Ion battery status •Improves performance of cabin heating and windshield defrosting system
24-NA-1322025-01-30. Service bulletin. UNKNOWN OR OTHER. Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.
24-NA-0822025-01-30. Service bulletin. WHEELS. This technical bulletin provides a procedure to correct the condition of Clicking Noise at Slow Speeds.
18-NA-1802025-01-30. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
24-NA-2752025-01-24. Service bulletin. STRUCTURE:BODY; FUEL/PROPULSION SYSTEM. This service bulletin provides repair information to trim the Cadillac Emblem Charge Port Door Switch to correct a customer concern of high effort when pressing the emblem to open the charge port door.
24-NA-1432025-01-24. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
24-NA-1132025-01-23. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
24-NA-1132025-01-23. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
PIT5832T2025-01-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5985H2025-01-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
PIT6044M2025-01-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIT63192025-01-20. Service bulletin. FUEL/PROPULSION SYSTEM. This Preliminary information communicates that a customer may experience a service high voltage message with a loss of heat. The technician may find P1C01 in history. The technician is advised that updated software will be released in the future. The dealer should advise the customer to cycle the ignition on and off to temporarily resolve the concern.
PIT6219B2025-01-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that a dealer may find the underhood beauty covers missing. The dealer is advised that these are missing by design and should not be ordered for the vehicle.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.