2025 GMC Hummer EV Pickup technical service bulletins
397 technical service bulletins and manufacturer communications cover the 2025 GMC Hummer EV Pickup, including one warranty extension.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This service bulletin provides information about GM Accessories
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- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a...
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- Vehicles may display a MIL or “Service High Voltage” message, with DTC P061B stored as current or history
- Customer Satisfaction Program
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- Service Update
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- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless...
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- This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless...
- This update contains a required software change to help improve the overall software update and...
- • Improved availability and map updates for Super Cruise • Improvements to active cabin ventilation •...
- • Fixes to help ensure start reliability and prevent battery drain • Improved charging performance and...
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- The Battery Energy Control Module (BECM) in certain vehicles include battery-monitoring software
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- This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and...
- This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set...
- • Improvements to OnStar through enhancements for charging, Super Cruise, remote start, and collision...
- PI to help diagnose A/C concern
- Reduces unnecessary service messages, check engine light activations, and OnStar emergency calls from your...
- This Pi is to let dealer know that a program issue has been released and to not replace any hard for codes...
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- • This update enables functionality for King Crab mode
- • Improvements to active cabin ventilation • Additional protection for the health of your battery •...
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- This PI provides diagnostic steps for dealer technicians to verify the condition and ensure that part...
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- Pi created to provide GM dealers with information on gathering information for projection issue
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- PI created to provide dealer technicians with procedures for updating Google Maps.
- Service Update
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- Been sold with a GM NACS Level 2 EV charging adapter (NACS to J1772) in which a quality issue was identified
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- • Improvements to the performance of One-Pedal Driving
- • Improvements to help protect battery health in low temperatures
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- This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication...
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- This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered...
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- The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
- This bulletin advises the tech not to replace the shock for possible air leak, but to replace the air...
- • Improvements to battery health diagnostics • Fixes for efficiency when using fast charging stations •...
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- A vehicle may come in with B3A6B set in history
- New Vehicle Monitoring Programs Section in IVH
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- This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and...
- This information provides software update information for the K73 Telematics module to correct the...
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- PI was created to let dealers know that the underbody deflector are no longer standard equipment and they...
- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- This software update includes the following, if your vehicle is equipped: • Improvements to vehicle...
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- Software Update for your 25MY GMC Hummer EV •Fixes for audio system performance
- Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an...
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- This PI communicates a procedure to clean oil leaking from the rain sensor.
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- This service bulletin provides information on Tire Sidewall Irregularities.
- This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
- This service bulletin and criteria within are to determine the internal state of the High Voltage Battery...
- This engineering information (EI) will assist GM to recover a small number of electric vehicle battery...
- This service bulletin provides information on High Voltage Drive Motor Battery
- This informational bulletin provides information on Wheel Drive Shaft Retention Snap Ring Design Change.
- This service bulletin provides dealers with Warranty Administration information on North American Charging...
- This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data...
- This engineering informational bulletin is requesting information from technicians to perform the check...
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- This service bulletin provides information for the technicians to use a Customer Concern Verification...
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- On certain vehicles listed above, the 12V Battery Negative Cable was erroneously labeled with a First...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- This informational bulletin provides information on HUMMER EV Water Leak Diagnostic Tips.
- This service bulletin provides information on the restraint warning lamp being illuminated and the...
- This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
- This warranty administration bulletin provides information for dealers/technicians on System Reset and...
- This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
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- This Service Bulletin provides information on the latest Radio Software Z175 for vehicles equipped with...
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- Steering
- This engineering informational bulletin is requesting information from technicians to perform the check...
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- Great News! Your vehicle keeps getting better
- Condition in which the front brake lines are below torque specification
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- This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to...
- This warranty administration bulletin provides policy information for GM courtesy transportation and...
- This engineering information (EI) is requesting pictures from technicians in regard to center hood molding...
- This service bulletin provides information on Power Tonneau Cover Diagnostic Tips.
- This service bulletin provides information on the proper Reflective High Temperature Heat and/or...
- Great News! Your vehicle keeps getting better
- The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential...
- This informational bulletin provides information for dealers/technicians on Customer Education Bulletin...
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- This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be...
- This service bulletin provides information for dealers/technicians on Service Programming System (SPS)...
- This bulletin provides information on Wiper Blade Maintenance Tips.
- This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for...
- This service bulletin provides information to diagnose batteries that have set for a long period of time...
- This warranty administration bulletin provides information regarding the field action courtesy...
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- This service bulletin provides Hybrid/EV Charging Issue Information and Data Collection Worksheet.
- This service bulletin provides information on Wheel Alignment Specifications, Requirements and...
- Fuel/propulsion system
- This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer...
- This service bulletin provides a repair procedure to correct customer concerns of Power Windows, Door...
- This informational bulletin provides a procedure on how to remove the paint stain that may present itself...
- This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the...
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- This warranty administration bulletin provides policy information for chargers that are covered under the...
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- This service bulletin provides customer information for rear unwanted automatic braking, usually when...
- This service bulletin provides information on proper use of floor mats.
- This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
- This technical bulletin provides a procedure on a rattle type noise heard from the brake pedal area.
- This warranty administration service bulletin provides information about GM Accessories
- Structure: body
- This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode,...
- This service bulletin provides information to inform dealership personnel about Law Enforcement and...
- This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and...
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- This service bulletin provides information for dealers/technicians on Information on Opening / Closure...
- Service Update
- This technical bulletin provides repair information to correct a customer concern of Front Floor Console...
- Warranty Administration
- This service bulletin provides repair information to correct a customer concern of a rattle type noise...
- This warranty administration bulletin provides policy information on the requirements for 12V battery...
- Structure: body
- This informational bulletin provides information on Pop/Creak Type Noise While Sitting Stationary and...
- This informational bulletin provides information on Power Tonneau Cover Diagnostic Tips.
- This technical bulletin provides a procedure to correct Rear Seat Belt Bezel Falls Off.
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- Fuel/propulsion system
- This warranty administration bulletin provide policy information for variable diagnostic time allowances...
- This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
- This service bulletin provides information for dealers/technicians on Labor Operations for Limited...
- Service Update
- This informational bulletin provides information on EV Charge Inlet Dust Cover Replacement Information.
- Electrical system
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- Lane departure: assist
- Electrical system
- Structure: body
- This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C)...
- This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone...
- Certain vehicles listed above may need an updated Owner’s Manual insert which includes improved feature...
- Service Update
- This technical bulletin provides repair information to correct a customer concern of Passenger Side...
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- Structure: body
- This informational bulletin provides technicians and dealership personnel with spray-in bed liner general...
- Structure: body
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- Electrical system
- This technical bulletin provides repair information to correct a customer concern of SuperCruise Dropping...
- This service bulletin provides information for dealers/technicians on Grunt Noise with Adaptive Cruise or...
- This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center...
- This service bulletin provides information on key code security rules and information on GM keycode...
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- This Warranty Administration bulletin provides information on the Global Warranty Management (GWM)...
- This service bulletin provides information for dealers/technicians on New Labor Operations for Limited...
- This bulletin provides information on Warranty Administration – Required Operating Procedures
- This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer...
- This service bulletin provides dealers Warranty Administration
- This service bulletin provides information on some vehicles that may rock or move slightly forward or...
- This warranty administration bulletin provides policy information, proper labor operation selection and...
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- Structure: body
- This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
- This service bulletin provides information for dealers/technicians on When and How to Submit a Field...
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- The informational bulletin advises that the trim beadlock is for decoration and not actual function.
- The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
- Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles
- This service bulletin provides information to dealership personnel on diagnosis and replacement of shock...
- This service bulletin provides information on AGM batteries that require less frequent charging in storage.
- This informational bulletin provides information on Information on available Low Gloss Matte Paint Finishes.
- This service bulletin provides information on a guide to help reduce repeat visits for the same customer...
- This Warranty Administration service bulletin provides information for dealers/Service advisors on when...
- This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a...
- This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
- This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C...
- GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities
- This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted...
- This informational bulletin provides PDI Dealer Pack Installation Information.
- This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline...
- This service bulletin provides information for replacement parts traceability (RPT) process to aid in...
- This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as...
- This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center...
- This service bulletin provides information for engine oil life monitor operation calculation.
- This warranty administration bulletin provides policy information requirements applicable to key fob...
- This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
- This warranty administration bulletin provides policy information to cover GMs policy on performing GM...
- This Warranty Administration bulletin provides retail and wholesale service personnel with the...
- This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
- This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original...
- This service bulletin includes information on Interior Cleaning
- This informational bulletin provides information for dealers/technicians on front license plate adapter...
- This service bulletin provides technicians with information to help identify the differences between what...
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