2024 Cadillac Lyriq technical service bulletins
635 technical service bulletins and manufacturer communications cover the 2024 Cadillac Lyriq, 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...
- This update contains a required software change to help improve the overall software update and...
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- Customer Satisfaction Program
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- • More responsive map controls when switching views • Trailer Theft Alert settings are saved between...
- • Fixes to help ensure start reliability and prevent battery drain • Improved charging performance and...
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- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path...
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- Condition in which the internal differential nut was cross threaded or missing during assembly
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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...
- PI to help diagnose A/C concern
- • Additional protection for battery health and to help prevent battery drain • Improved charging messaging...
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- • Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi-Fi, Navigation,...
- This PI explains that the T18, Battery charger drive power distribution control modules are on parts...
- Fog lamp control may be missing from radio display after a BCM update
- • The Ambient Lighting feature will now save your selection instead of resetting to white after each drive
- Condition in which the Telematic Control Module may enter an unrecoverable state
- • Improvements to diagnostics and service messaging for battery health, particularly in humid conditions
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- This PI Communicates that a grind noise maybe heard if the spring plate is not transferred to the new...
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- Pi created to provide GM dealers with information on gathering information for projection issue
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- • Improvements to interior audio quality and volume consistency
- • Improvements to Super Cruise disengagement alerts
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- Condition in which the Telematic Control Module may enter an unrecoverable state
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- A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar...
- 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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- This PI communicates a possible concern with the customer experiencing a service headlamp message on...
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- • Improvements to the infotainment system from Android update
- Certain vehicles listed above may be missing relevant information regarding the use of snow chains, snow...
- This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication...
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- • Fixes to help protect battery health.
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- •Improvements to help protect battery health in low temperatures
- • Fixes to help ensure successful vehicle software updates
- This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered...
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- Condition in which the Brake System Control Module does not have the latest software
- Fixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features
- Condition in which the Brake System Control Module does not have the latest software
- Condition in which the Battery Energy Control Module will not exit “commissioning” (start-up), because a...
- • A variety of software improvements were made to make your in-vehicle driving experience better
- •Improvements to accuracy of Park Assist messaging
- This PI addresses a possible roll up then down window message.
- The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
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- • Improvements to battery health information
- •Improvements to the performance of One-Pedal Driving •Improvements to propulsion and acceleration
- A vehicle may come in with B3A6B set in history
- New Vehicle Monitoring Programs Section in IVH
- This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and...
- PI is created to advise dealer of an issue that may have been induced by OTA programming
- Certain vehicles may be missing relevant information regarding the use of snow chains, snow socks, or...
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- Diagnostic Guidance for U3000-97 Long Range Radar Blocked
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- GM Update 652.80 • Improvements to vehicle diagnostics
- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- Customer Satisfaction Program
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- This PI communicates that a brake system failure message may present with no DTC's found in GDS but are...
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- 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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- •Increases the availability of Super Cruise functionality
- •Improves how center display adjusts to lighting changes
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- This service bulletin provides information on Tire Sidewall Irregularities.
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- •Improves how center display adjusts to lighting changes
- 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 service bulletin provides a service procedure to correct a customer concern of Grind, Groan and/or...
- Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise
- This engineering information (EI) will assist GM to recover a small number of electric vehicle battery...
- 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 service bulletin provides information on the wireless charging feature not working or intermittently...
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- This engineering informational bulletin is requesting information from technicians to perform the check...
- This service bulletin provides information for the technicians to use a Customer Concern Verification...
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- Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise
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- 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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- Steering
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- This warranty administration bulletin provides policy information for GM courtesy transportation and...
- This service bulletin provides repair information to correct a customer concern of IVD Radio Software issues.
- This service bulletin provides repair information to correct a customer concern of Radio Software issues...
- This service bulletin provides repair information on software release Update W52E-176.1.2-M170-SQBR5-250.2...
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- This service bulletin provides information on the proper Reflective High Temperature Heat and/or...
- 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...
- Your vehicle keeps getting better
- Your vehicle keeps getting better
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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...
- Update Title: Important Update GM N25-2494560 Release Notes: •Improves accuracy of service messages for...
- This message is to inform dealers that Customer Satisfaction Program N232428240, released on March 7, 2024...
- This service bulletin provides information to diagnose batteries that have set for a long period of time...
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- This warranty administration bulletin provides information regarding the field action courtesy...
- This informational bulletin provides information for dealers/technicians on Service High Voltage Message...
- Great News! Your vehicle keeps getting better
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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
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- This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer...
- 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...
- This service bulletin provides customer information for rear unwanted automatic braking, usually when...
- Fuel/propulsion system
- 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 warranty administration service bulletin provides information about GM Accessories
- 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 technical bulletin provides repair information to correct a customer concern of BCM Software Update...
- This technical bulletin provides a procedure to correct the condition of Lower Closeout Panel Not Sitting...
- This technical bulletin provides a procedure to correct the condition of Clicking Noise at Slow Speeds.
- Warranty Administration
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- This service bulletin provides repair information to trim the Cadillac Emblem Charge Port Door Switch to...
- Improves connectivity and performance for mobile app commands
- Great News! Your vehicle keeps getting better
- •Improves performance of wireless communication of the Lithium-Ion battery status •Improves performance of...
- This warranty administration bulletin provides policy information on the requirements for 12V battery...
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- This engineering information (EI) closure ends the need for gathering further information from technicians...
- This engineering information (EI) closure ends the need for gathering further information from technicians...
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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...
- This informational bulletin provides information on EV Charge Inlet Dust Cover Replacement Information.
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- This technical bulletin provides a procedure that corrects the condition of Rear Access Open Message...
- Lane departure: assist
- Electrical system
- Service Update
- Fuel/propulsion system
- 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...
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- This technical bulletin provides a procedure to correct the condition of Missing Circuits for Trailer...
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- Electrical system
- Electrical system
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- This service bulletin provides information on Lithium-Ion Battery
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- Electrical system
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- 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...
- This service bulletin provides service information for dealers/technicians on Radio Staying on for...
- Electrical system
- 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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- 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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- This engineering information (EI) closure ends the need for gathering further information from technicians...
- This engineering information (EI) ends the need for gathering further information from technicians in...
- 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...
- Electrical system
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- This service bulletin provides information on AGM batteries that require less frequent charging in storage.
- This informational bulletin provides information for dealers/technicians on Software Updates on Ultium...
- This engineering information (EI) ends the need for gathering further information from technicians
- This engineering information (EI) is requesting information from technicians to perform the check list...
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- Certain vehicles may require software updates that improve the customer experience and optimize future...
- This service bulletin provides information on a guide to help reduce repeat visits for the same customer...
- This engineering informational bulletin is requesting information from technicians to perform the check...
- This update corrects a false wheel slippage detection in the anti-lock braking system (ABS) while...
- 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 for dealers/technicians on the process to disable and enable...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- 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 engineering informational bulletin is requesting information from technicians to perform the check...
- This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is...
- This engineering information (EI) closure ends the need for gathering further information from technicians...
- 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 engineering information (EI) is requesting information from technicians to perform the check list...
- This warranty administration bulletin provides policy information requirements applicable to key fob...
- This Warranty Administration bulletin provides information on customer vehicles concern results in a...
- Customer Satisfaction Program
- This engineering information (EI) closure ends the need for gathering further information from technicians...
- This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
- Condition in which the instrument panel center storage compartment does not function correctly
- This warranty administration bulletin provides policy information to cover GMs policy on performing GM...
- This informational bulletin provides information for dealers/technicians on Updates Failing on K73...
- 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 technical bulletin provides repair information to correct a customer concern of radio software anomalies.
- This service bulletin provides technicians with information to help identify the differences between what...
- This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market...
- Service Update
- This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
- This bulletin updates the position of General Motors on refinishing aluminum wheels
- This technical bulletin provides repair information to correct a customer concern of Image Processing...
- This bulletin provides information for electrical ground repairs using new General Motors replacement...
- Service update
- This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the...
- Certain 2023
- Service Update: Certain vehicles may have a condition in which the headlamps’ aim may drift high or low...
- Condition in which the instrument panel center storage compartment does not function correctly
- This informational bulletin provides a procedure to High Voltage Battery Core Return Shipment Criteria.
- This engineering informational bulletin is requesting information from technicians to perform the check...
- Customer Satisfaction Program
- Electrical system
- This engineering information (EI) is requesting information from technicians to perform the check list...
- This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- This service bulletin provides information on Lithium-Ion Battery
- This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming...
- This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
- This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus...
- Structure
- This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License...
- This service bulletin provides repair information to correct a customer concern of rear sunroof itching.
- This informational bulletin provides information on Lithium-Ion Battery
- This service bulletin provides a procedure for Sun Load, Ambient Light, and Charge Indicator Sensor...
- This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
- Electrical system
- This technical bulletin provides a procedure for Sun Load, Ambient Light, and Charge Indicator Sensor...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- This engineering information (EI) closure ends the need for gathering further information from technicians...
- This Engineering Information (EI) notifies dealers that a condition may exist when updating the VCU with...
- This engineering information (EI) closure ends the need for gathering further information from technicians...
- This service bulletin provides a repair procedure to correct a customer concern of the Floor Console...
- This engineering information (EI) is requesting information from technicians to perform the check list...
- Service Update
- This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with...
- This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty...
- This service bulletin provides information on General Motors Dealership Critical Equipment Requirements...
- This service bulletin provides information about the Hunter wheel Road Force balancers that should be...
- This bulletin provides information on Warranty Administration – Required Operating Procedures
- This engineering informational bulletin is requesting information from technicians to perform the check...
- This service bulletin provides information for dealers/technicians on the velocity IME upgrade.
- This service bulletin provides information for dealers/technicians on themes collection IME upgrade...
- This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
- Obsolete notice
- Jayco and entegra coach storage tips
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