2025 Chevrolet Suburban 1500 Technical Service Bulletins

435 technical service bulletins (TSBs) are on record for the 2025 Chevrolet Suburban 1500. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11023144Sep 8, 2025Other or unknown. This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
• 11024330Sep 6, 2025Engine. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
• 11022776Aug 30, 2025Other or unknown. PI is created to advise dealer of an issue that may have been induced by OTA programming
• 11022780Aug 29, 2025Other or unknown. This Preliminary information communicates possible causes for battery draw concern
• 11022781Aug 27, 2025Other or unknown. This Preliminary information communicates how to move U018B from Current to History.
• 11022769Aug 26, 2025Other or unknown. This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.
• 11022155Aug 26, 2025Other or unknown, Wheels. Certain vehicles may be missing relevant information regarding the use of snow chains, snow socks, or other traction devices from the Owner’s Manual. Vehicle owners will be mailed an owner’s manual insert to include with other important printed material in the glovebox. For vehicles currently on dealer lots, dealers will include the insert prior to delivery.
• 11022140Aug 23, 2025Other or unknown. This Preliminary information communicates how to move U018B from Current to History.
• 11022138Aug 22, 2025Other or unknown. This Preliminary information communicates the active safety features and/or cameras are inoperative or unavailable after a 12 volt battery replacement or battery charge after a low voltage condition.
• 11022129Aug 19, 2025Other or unknown. This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
• 11022086Aug 15, 2025Other or unknown. This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
• 11022082Aug 15, 2025Other or unknown. This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
• 11022084Aug 14, 2025Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11022074Aug 8, 2025Other or unknown. A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complete the procedure.
• 11022068Aug 8, 2025Other or unknown. This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.
• 11022072Aug 7, 2025Other or unknown. This Preliminary information communicates an issue where the rear tail lights may not work and dealership are to replace the tail light assembly.
• 11021792Aug 7, 2025Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
• 11022071Aug 5, 2025Other or unknown. This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
• 11021314Jul 30, 2025Other or unknown. PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked, due to the personalization settings for Auto Door Unlocking.
• 11021285Jul 30, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11021312Jul 29, 2025Other or unknown. This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
• 11020963Jul 26, 2025Other or unknown. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.
• 11020884Jul 18, 2025Other or unknown. This Preliminary information communicates that vehicles with RPO BVZ may have tap/rattle/tick/flutter noise from assist steps, and a procedure to eliminate the noise.
• 11020816Jul 18, 2025Other or unknown. This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
• 11020809Jul 18, 2025Other or unknown. This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
• 11020808Jul 17, 2025Other or unknown. This Preliminary information communicates A vehicle may have a concern of any of the following DTC's set P3189 P318A P318B P318C P318D P318E P318F P3190. Informs dealer to perform a crankshaft variation relearn, Also notes that SI may not isolate.
• 11020880Jul 16, 2025Other or unknown. This preliminary information PI states to not replace anything at the dealership for this concern and engineering is investigating.
• 11020879Jul 16, 2025Other or unknown. This preliminary information PI states to not replace anything at the dealership for this concern and engineering is investigating.
• 11020811Jul 16, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
• 11020686Jul 8, 2025Other or unknown. This Preliminary information communicates where the driver is unable to activate Super Cruise along with a DIC message stating "Super Cruise Subscription Required, Press OnStar Button". Dealer are to power cycle the onstar module to reset.
• 11020681Jul 2, 2025Other or unknown. This information provides software update information for the K73 Telematics module to correct the symptoms described.
• 11020680Jul 2, 2025Other or unknown. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.
• 11019983Jun 30, 2025Other or unknown. This Preliminary Information communicates the DTC's setting in the SDGM are false, steps to resolve and not to replace the module.
• 11019820Jun 29, 2025Other or unknown. This Preliminary information communicates Engineering is investigating a no audio issue.
• 11019872Jun 26, 2025Other or unknown. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 11019841Jun 20, 2025Other or unknown. This Preliminary information communicates an issue for a rub or scarp noise from the steering and dealership are to fully seat the turn signal switch bracket to correct the noise.
• 11019670Jun 20, 2025Other or unknown. Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the affected vehicles will be mailed an owner’s manual and warranty insert…
• 11019846Jun 19, 2025Other or unknown. This Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle doors are being closed and the key in vehicle reminder set to off.
• 11019848Jun 18, 2025Other or unknown. This PI communicates an issue with the inside rearview mirror image misaligned and instructions dealership to fully seat the mirror bracket
• 11019844Jun 18, 2025Other or unknown. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.
• 11019829Jun 18, 2025Other or unknown. This PI communicates a procedure to clean oil leaking from the rain sensor.
• 11019845Jun 17, 2025Other or unknown. This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
• 11019591Jun 17, 2025Other or unknown. Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the applicable vehicles will be mailed an owner’s manual and warranty insert…
• 11019826Jun 12, 2025Other or unknown. This Preliminary information communicates with dealer is they have a vehicle making a creak/clunk noise in the left front to inspect for some incomplete or missing spot welds in a body mount bracket.
• 11019823Jun 10, 2025Other or unknown. This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
• 11019693Jun 9, 2025Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11026104Jun 7, 2025Wheels. This service bulletin provides information on Tire Sidewall Irregularities.
• 11026043Jun 7, 2025Electrical system. This technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E-178.1.2-M174-SQBR6-93.3.
• 11026017Jun 5, 2025Engine. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
• 11019528Jun 5, 2025Other or unknown. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.

← All problems reported for the 2025 Chevrolet Suburban 1500