WenmarOpen by Wenmar Pro

Service bulletins for the 2025 Cadillac XT4

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
21-NA-0432025-02-12. Service bulletin. VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
21-NA-1352025-02-12. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
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.
25-NA-0012025-02-06. Service bulletin. POWER TRAIN. This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
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.
PIE0794D2025-01-31. Service bulletin. ENGINE. This engineering information (EI Lite) ends the need for gathering further information using the Field Product Reporting (FPR) App process for vehicles where customers comment on having oil leaking from the oil pan that drives a warrantable item type of repair on said vehicles.
24-NA-2392025-01-30. Service bulletin. ELECTRICAL SYSTEM; SEATS; STRUCTURE:BODY; STEERING; ENGINE. This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
21-NA-2402025-01-30. Service bulletin. ENGINE. This service bulletin provides diagnostic repair information to correct an oil leak in the engine.
09-06-04-026Z2025-01-23. Service bulletin. ENGINE; POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
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.
PIC6564B2025-01-20. Service bulletin. EXTERIOR LIGHTING. This Preliminary information communicates the direction a dealer/technician should take if a customer inquires about the installation of a trailer hitch or if the trailer lighting is inoperative for vehicles built without RPO option V92
PIT63172025-01-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates if a customer and service tech encounter a gear display after a radio update, to replace the A11 radio for this concern.
PIT63132025-01-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates confusion with the DTC naming of the frontview camera module and when dealership see the naming of the K124 Image Processing Module 1 - Processor 1 it is the B174W Front View Camera - Windshield.
07-00-89-037U2025-01-18. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
20-NA-1322025-01-18. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
22-NA-0532025-01-09. Service bulletin. UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
22-NA-0382025-01-09. Service bulletin. UNKNOWN OR OTHER. This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
18-NA-2632025-01-09. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
23-NA-0642025-01-03. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
24-NA-2592024-12-20. Service bulletin. UNKNOWN OR OTHER; VISIBILITY/WIPER. This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.
PIT6265B2024-12-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
22-NA-2382024-12-19. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.

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