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Service bulletins for the 2025 Chevrolet Silverado

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.

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

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Only bulletins with type: Service campaign are shown. Show all

Bulletins, newest first
N252516700-012026-08-26. Service campaign. UNKNOWN OR OTHER. The Battery Energy Control Module (BECM) in certain vehicles include battery-monitoring software. An update is available for this software that improves the BECM’s ability to detect moisture inside the RESS enclosure. Dealers are to reprogram the BECM with the updated software.
N2525198602026-07-28. Service campaign. UNKNOWN OR OTHER. Certain vehicles listed above may have a condition in which the vehicle may shift out of park without key fob inside vehicle while in "Protected Idle" Mode. Dealers will update the BCM software. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
N2625473302026-05-27. Service campaign. UNKNOWN OR OTHER. Certain vehicles may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. IMPORTANT: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
N262547330-012026-05-08. Service campaign. UNKNOWN OR OTHER. Certain vehicles may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. IMPORTANT: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
N2525370312026-05-04. Service campaign. UNKNOWN OR OTHER. Certain vehicles listed above may be equipped with a trailer hitch label that understates hitch capability. Because this label can easily be installed by the customer, and to reduce their inconvenience, the corrected label and installation instructions will be mailed to customers of record.
N2625473302026-04-17. Service campaign. UNKNOWN OR OTHER. Certain vehicles, may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. Important: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
N2625468402026-04-13. Service campaign. UNKNOWN OR OTHER. Customer Satisfaction Program. On certain vehicles listed above, the customer was charged for a back-up alarm calibration which was not provided with the vehicle. Dealers will provide the customer with a reimbursement check in the amount of $50.00 (USD) / $85.00 (CAD).
N2525290802026-04-01. Service campaign. ELECTRICAL SYSTEM. Service Update. Certain vehicles listed above may be missing a high voltage header plug on the RESS battery pack drive motor connector. Dealers are to inspect the RESS pack connectors and install the proper HV Header Plug if missing.
N2525415102026-03-03. Service campaign. UNKNOWN OR OTHER. Certain vehicles may have been sold with a GM NACS Level 2 EV charging adapter (NACS to J1772) in which a quality issue was identified. Dealers are to provide the customer with the latest design charging adapter.
N2525370302026-02-10. Service campaign. UNKNOWN OR OTHER. Certain vehicles listed above, may have a condition where the trailer hitch label understates hitch capability. Dealers will remove the sticker on trailer hitch.
N2525366402026-01-15. Service campaign. UNKNOWN OR OTHER. Service Update. Certain vehicles listed above may have a condition where the front upper control arm ball stud nut may be loose or missing. Dealers will inspect, and if necessary, tighten or install a new front upper control arm ball stud nut.
N2525079902025-11-18. Service campaign. UNKNOWN OR OTHER. Certain vehicles listed above may have a condition in which the jack kit lifting rod is out of specification. Dealers will replace the jack handle components.
N2525275002025-11-12. Service campaign. SUSPENSION. Certain vehicles may have a condition in which the Rear Spring U-bolt fasteners are torqued below specification. Dealers are to torque both the right and left side Rear Spring U-bolt fasteners to specification.
N2525261502025-11-04. Service campaign. FUEL/PROPULSION SYSTEM. Service Update. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
N2525177902025-10-14. Service campaign. POWER TRAIN. Certain vehicles, equipped with 8L80 or 8L90 Transmissions, may have a condition in which the reaction carrier cracks. Dealers are to replace the reaction carrier.
N2525167002025-10-07. Service campaign. UNKNOWN OR OTHER. The Battery Energy Control Module (BECM) in certain vehicles include battery-monitoring software. An update is available for this software that improves the BECM’s ability to detect moisture inside the RESS enclosure. Dealers are to reprogram the BECM with the updated software.
N2525075002025-09-17. Service campaign. SUSPENSION. Certain vehicles may have a condition in which the rear lower control arm bolts were not fully torqued. Dealers are to perform a rear wheel alignment and properly torque all four rear lower control arm bolts.
N2525046602025-07-21. Service campaign. UNKNOWN OR OTHER. Customer Satisfaction Program. Certain vehicles listed above were built without proper programming keys written into the radio. Dealers will replace and reprogram the radio.
N2525122602025-07-17. Service campaign. STEERING. Certain vehicles listed above may have a condition in which the fastener for the intermediate steering shaft to steering gear assembly may have suspect torque results. Dealers will replace and torque fastener.
N2525088002025-06-24. Service campaign. SUSPENSION. Customer Satisfaction Program. Certain vehicles listed above may have improper lubrication of the rear axle assembly. Dealers will replace the rear axle.
N252494770-012025-06-20. Service campaign. UNKNOWN OR OTHER. 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 containing this information in English and Spanish.
N242452140-012025-06-17. Service campaign. UNKNOWN OR OTHER. Updated message, additional 2025 model year VINs added to population.
N2524947702025-06-17. Service campaign. UNKNOWN OR OTHER. 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 containing this information in English and Spanish.
N2525031002025-05-06. Service campaign. UNKNOWN OR OTHER. On certain vehicles listed above, the 12V Battery Negative Cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to inspect and ensure that the High Voltage Service Lockout Harness has the Emergency Cut Loop label installed and the 12V Battery Negative Cable does not have the Emergency Cut Loop label installed.
N242451390-032025-05-06. Service campaign. UNKNOWN OR OTHER. On certain vehicles listed above, the 12V Battery Negative Cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to inspect and ensure that the High Voltage Service Lockout Harness has the Emergency Cut Loop label installed and the 12V Battery Negative Cable does not have the Emergency Cut Loop label installed.

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