2024 Chevrolet Silverado 1500 TSBs

Certain vehicles may have a condition in which the Engine Control Module (ECM) does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.

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…

• Improves transmission diagnostic software. • Reduces unnecessary check engine light activations.

• If you are equipped with Diesel engine then: Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display.

• Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on when set to Off. • Fixes to help prevent erroneous missing key messages on driver display. • Fixes…

• Improvements to driver display information for Diesel Exhaust Fluid (DEF) range including drivable range in miles, low DEF warnings, and maximum speed warnings. • Improvements to start reliability and reduced check engine light activation. • Improvements to turbo system…

• Fixes to help prevent false Service Driver Assist System messages. • Improvements to connectivity for OnStar.

Certain vehicles listed above, may have a condition in which the body-to-chassis ground strap may be corroded. Dealers will replace the ground strap.

Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the…

• Improvements to audio system performance. ​​• Fixes to help ensure proper functionality for the center display. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the…

This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. During the update process, your radio may stay on up to 5 minutes after you exit the…

Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). Owners who have accepted applicable terms and conditions will…

Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). Owners who have accepted applicable terms and conditions will…

Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). Owners who have accepted applicable terms and conditions will…

Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). Owners who have accepted applicable terms and conditions will…

Software Update for your 24MY Chevrolet Silverado / GMC Sierra: * Improvements to software performance. * Fixes for audio system performance. * Improvements to connectivity for Bluetooth. * Fixes to help ensure successful software updates and notifications. * Fixes to address…

This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. During the update process, your radio may stay on up to 5 minutes after you exit the…

• Improvements to OnStar through enhancements for charging, Super Cruise, remote start, and collision notification. • Fixes to address connectivity issues. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior…

GM Update N25-251032 • Improvements to low oil pressure message. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

Customer Satisfaction Program. Certain model years and vehicle makes noted in the table above may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module.

Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the…

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…

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…

Updated message, additional 2025 model year VINs added to population.

Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the…

Certain vehicles listed above may have a condition in which the transmission may not shift properly. Dealers are to replace the transmission check balls and valve body spacer plate.

Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.

Software Update for your 25MY Chevrolet Silverado / GMC Sierra: • Enables the active cabin ventilation feature. • When windows are remotely lowered using the key fob, the HVAC blower will turn on. During the update process, your radio may stay on up to 5 minutes after you exit…

Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.

Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.

Certain vehicles may have a condition in which the transmission may not shift properly. Dealers are to replace the transmission check balls and valve body spacer plate.

Certain 2023-2024 model year Chevrolet Colorado / Silverado 1500 and GMC Canyon / Sierra 1500 vehicles equipped with a 2.7L engine (RPO L3B), may have an Engine Control Module (ECM) that does not sufficiently control fuel injector flow rate under certain driving conditions. This…

Service Update. Certain vehicles listed above may have a condition in which the Engine Control Module (ECM) does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.

Certain vehicles may have a Brake System Control Module (BSCM) that does not correctly set a Diagnostic Trouble Code (DTC) or illuminate the Malfunction Indicator Lamp (Check Engine Light) if certain system faults with the potential to affect the vehicle’s emissions control…

Certain vehicles may have a Brake System Control Module (BSCM) that does not correctly set a Diagnostic Trouble Code (DTC) or illuminate the Malfunction Indicator Lamp (Check Engine Light) if certain system faults with the potential to affect the vehicle’s emissions control…

Service Update. Certain vehicles may have a condition in which the steering gear motor bolts may be loose on steering gear assemblies. Dealers will inspect, and if necessary, replace the electric belt drive rack and pinion steering gear, and reprogram the power steering control…

Certain models listed above may have a condition in which the front camera module is inoperative after sitting in cold weather. Dealers will replace the front camera module.

Service Update. Certain vehicles may have a condition in which the steering gear motor bolts may be loose on steering gear assemblies. Dealers will inspect, and if necessary, replace the electric belt drive rack and pinion steering gear, and reprogram the power steering control…

Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module.

Service Update. Certain vehicles may have had the chrome exhaust tips installed instead of the correct black exhaust tips. Dealers are to replace the chrome exhaust tip with correct black exhaust tip.

Service Update. Certain vehicles may have had the chrome exhaust tips installed instead of the correct black exhaust tips. Dealers are to replace the chrome exhaust tip with correct black exhaust tip.

Customer Satisfaction Program. Certain vehicles equipped with Super Cruise require high-definition road maps to be updated frequently. This ensures the vehicle is current with road changes and any additional Super Cruise approved mapped roads. Dealers will reprogram the…

Customer Satisfaction Program. Certain vehicles, equipped with a 5.3L gas engine (RPO L84), may have contamination in the engine block. Dealers are to replace the engine.

Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module and the radio.

Customer Satisfaction Program - may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module.

Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module.

Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module. Expanding population only.

Customer Satisfaction Program - Certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. Population Expansion. Dealers are to reprogram the serial data gateway module and the radio.

Customer Satisfaction Program - certain may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module and the radio.

Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module.

Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The…

Customer Satisfaction Program. Certain vehicles, equipped with a 5.3L gas engine (RPO L84), may have contamination in the engine block. Dealers are to replace the engine.

Service Update. On certain vehicles listed above, the vehicle may not re-start after an auto stop event. Dealers will reprogram the engine control module.

Service Update. On certain vehicles, the rear outboard seat belt(s) may be slow to retract into the C-pillar. Dealers are to inspect, and if necessary, re-route the left hand and/or right hand rear outboard seat belts.

Customer Satisfaction Program - certain may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module and the radio.

Certain vehicles may have been built with damaged intermediate-shaft boots. Dealers will inspect for damage and replace the I-Shaft Assembly if necessary.

Service Update. On certain vehicles, equipped with a 5.3L gasoline engine (RPO L84), burrs may be present in the engine oil circuit which could cause an engine misfire. Dealers will perform the engine idle and road test inspection, and if necessary, replace the engine.

UPDATE: Stop Delivery Order Await Communication: Reference Number N242455300 - Certain VINs Removed from Stop Delivery

Customer Satisfaction Program. On certain vehicles, the customer may not have been provided with the 2 additional smart key fobs that were purchased. Dealers are to provide the customer with 2 unprogrammed smart key fobs.

Service Update. On certain vehicles, equipped with a 5.3L gasoline engine (RPO L84), burrs may be present in the engine oil circuit which could cause an engine misfire. Dealers are to perform the inspection procedure contained within this bulletin.

This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.

This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.

This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration/ from the passenger side when the vehicle is under light load, with a 3.0L LZ0 Engine. It also addresses the potential for a slow/no crank or not charging.

This PI communicates diagnostic information to assist Technicians with a possible transmission shudder

This PI provides information to repair the door water deflector which is not sealed properly allows water into the door jam/sill area.

This PI provides diagnostic tips for diagnosing electric trailer brakes issues.

PI to help diagnose A/C concern

This PI was created to help avoid unnecessary front camera module replacements

This PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.

This PI provides a diagnostic tip on poor a/c performance due to a condenser issue and instructions to replace the ac condenser.

This Preliminary information communicates where to find the back antenna for learning new key fobs.

The purpose of this PI is to inform dealer technicians of a normal cab pressure relief valve noise to avoid unnecessary part replacement

This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery connections and for any aftermarket devices.

This preliminary information communicates an issue with aftermarket LED lighting causing false front park assist alerts and dealers are to install the factory lighting before performing any in depth diagnostics.

This Preliminary information communicates an issue with the dome light off switch not working after the BCM goes asleep. Advise dealership it is working as designed.

This PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.

This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.

This PI advises dealers that if the K160 Brake System Control Module sets DTC P0606 along with P0562 and/or P25A2, additional diagnostic aids should be followed before replacing parts. The PI provides guidance to inspect for low voltage conditions, wiring, terminal concerns, and…

This PI provides diagnostic steps for dealer technicians to verify the condition and ensure that part replacement is necessary

This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.