Original record summaries, dates and identifiers for this model-year. Records 1–100 of 450, ordered newest first. Dated records on this page: Jan 23, 2026–Sep 18, 2026.
Read the applicability before drawing a conclusion.
This archive includes service bulletins, warranty notices, software instructions and other communications. Records may repeat or supersede earlier instructions. A model-year association is not proof that a document covers every engine, trim, VIN or reported symptom, or that a repair is free.
NHTSA download snapshot: Sep 28, 2026. These are communication associations for this vehicle, not unique defects. How records are joined and counted.
Sep 18, 2026Service Bulletin/Repair Instructions
PIT6550
NHTSA communication ID: 11037459
NHTSA source summary · Original PDF not reviewed by Recallfolio
The Rear Camera Mirror display may appear angled downward. Investigation found that an aftermarket or dealer-installed rear license plate frame can contact the license plate lamp applique, pushing the applique upward and skewing the camera display angle. Remove or reposition the interfering frame, verify proper applique seating, and confirm the Rear Camera Mirror display is correctly aligned.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information is to inform technicians and customers that GM is aware of the issue and the vehicle can still be driven. When a repair is available, this PI will be updated.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information is to inform technicians and customers to not replace any parts for the missing hitch view. Engineering is investigating and the camera is still operational at this time.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor #2 and how to restore communication
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates ordering process for the night vision camera that are on restriction for all listed vehicles for Technical Assistance review.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Certain vehicles listed above may have a condition in which certain modules failed to update with an over-the-air (OTA) update. Dealers will update the front passenger and/or rear infotainment systems.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information is to inform technicians to not replace any parts and the vehicle is still operational. The PI will be converted to a bulletin when the repair is available.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
• Surround Vision Recorder, a new feature that allows you to record, watch, and save video from your vehicle's cameras. • Security Recording, a new feature that can automatically begin recording if your vehicle's alarm is triggered while it is parked. • Cabin Glance, a new feature that displays a live feed of the seating area on your infotainment screen. This allows you to check on passengers, such as kids or pets. • Fixes to help ensure responsiveness for the driver display and rear view camera. • Improvements to reliability for alerts and chimes. • Better responsiveness for the driver display and rear-view camera.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and off to correct the issue. On GMC models reprogram the BCM and VCU then cyc
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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 module communication issues that may cause false or intermittent EBCM DTCs.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and off to correct the issue. On GMC models reprogram the BCM and VCU then cyc
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software in the scan tool
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
NHTSA source summary · Original PDF not reviewed by Recallfolio
• Fixes to help protect battery life. • Improvements to provide more accurate speed limit detection on the driver’s display. • Improvements to the availability of driver assistance features and fewer notifications or warnings. • Fixes to help ensure driver assistance features remain functional when the windshield freezes.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates ordering process for the night vision camera that are on restriction for all listed vehicles for Technical Assistance review.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates to have the dealer verify the vehicle has RPO TRG - Trailer Camera Provisions to ensure the vehicle is equipped with Turn Signal Activated Camera View.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates ordering process for the night vision camera that are on restriction for all listed vehicles for Technical Assistance review.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates ordering process for the night vision camera that are on restriction for all listed vehicles for Technical Assistance review.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information is to inform technicians to not replace any parts and the vehicle is still operational. The PI will be converted to a bulletin when the repair is available.
NHTSA source summary · Original PDF not reviewed by Recallfolio
• Improvements to the performance of vehicle software updates. • Fixes to help prevent loss of functionality for connectivity features, including maps and Wi-Fi. • Fixes to help prevent erroneous emergency calls from vehicle. • Fixes for deleting digital keys. • Fixes to help ensure proper functionality for mobile app features. • Improvements to the performance of Super Cruise.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates to the technician the diagnostic direction needed when the customer complains of SuperCruise Subscription Required Message Displayed on Instrument Cluster.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and off to correct the issue. On GMC models reprogram the BCM and VCU then cyc
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates to the field on how to diagnosis Supercruise Unavailable and Driver Attention Assist Unavailable and Drowsy Driver Feature Disabled message.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information communicates an issue with an SES MIL DTC P2B87 and/or P2B86 cause by the Aux heater coolant pump have an unwanted oring stuck in the pump. Dealers are to remove oring and reinstall pump.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and off to correct the issue. On GMC models reprogram the BCM and VCU then cyc
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information is for technicians that will have this message after USB updating the radio. The repair should not involve replacing a module as pressing the reset button will correct this issue.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
• Improvements to the infotainment system from Android update. This Android update removes Alexa Built-in (if supported). Google Assistant will remain available. • Fixes to improve responsiveness for the center display, driver display, and camera. • Fixes for Apple CarPlay functionality and connectivity (if supported). • Fixes to help ensure proper functionality for Bluetooth. • Improvements to audio system performance.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This PI identifies an issue where a loose Body Control module ground on the A pillar could cause various electrical issues related to the hood latch or a door latch
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates to the technician the repair direction needed to address an inaccurate speed limit sign displayed on instrument cluster.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an event like a lightning strike, battery jump started backwards, failure over the air update, etc.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Certain vehicles listed above 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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates to have the dealer verify the vehicle has RPO TRG - Trailer Camera Provisions to ensure the vehicle is equipped with Turn Signal Activated Camera View.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the customers complaint. A software update will be available to repair these flase DTC's