2024 Cadillac CT4 Technical Service Bulletins

397 technical service bulletins (TSBs) are on record for the 2024 Cadillac CT4. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11004801Jul 16, 2024Other or unknown, Transmission and drivetrain. Certain vehicles may have a condition in which the transmission valve body solenoid retaining bolt was not properly torqued. Dealers will torque the control valve solenoid bolt to specification.
• 11005312Jul 13, 2024Engine. This engineering information (EI Lite) is requesting that technicians use the Field Product Reporting (FPR) App process in regard to an engine oil leak found around the center of the vehicle that drives a warrantable item type of repair on any of the listed Models.
• 11005311Jul 9, 2024Transmission and drivetrain. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
• 11005020Jul 9, 2024Transmission and drivetrain. This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
• 11004727Jun 29, 2024Fuel system. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
• 11004941Jun 28, 2024Engine. This service bulletin advises the technician that the purge pump part number has changed and limited supply.
• 11004761Jun 28, 2024Engine, Fuel system. This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
• 11004945Jun 26, 2024Engine. This engineering information (EI Lite) asks the technicians that if you encounter a vehicle where customers comment on having oil leaking from the oil pan that drives a warrantable item type of repair on said vehicles, use the Field Product Reporting (FPR) App process.
• 11004624Jun 18, 2024Other or unknown. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
• 11004558Jun 17, 2024Other or unknown. This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
• 11004557Jun 17, 2024Other or unknown. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
• 11002441Jun 14, 2024Electrical system, Engine. This service bulletin provides information for engine oil life monitor operation calculation.
• 11004346Jun 11, 2024Engine. This engineering information (EI Lite) is requesting that technicians use the Field Product Reporting (FPR) App process in regard to an engine oil leak found around the center of the vehicle that drives a warrantable item type of repair on any of the listed Models.
• 11004347Jun 10, 2024Engine. This engineering information (EI Lite) asks the technicians that if you encounter a vehicle where customers comment on having oil leaking from the oil pan that drives a warrantable item type of repair on said vehicles, use the Field Product Reporting (FPR) App process.
• 11001972Jun 8, 2024Other or unknown, Electrical system. This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
• 11002312Jun 6, 2024Electrical system. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
• 11001971Jun 5, 2024Other or unknown. This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
• 11001778May 24, 2024Electrical system, Forward collision avoidance. This technical bulletin provides repair information to correct a customer concern of SuperCruise Unavailable – No road Info: Road Expansion.
• 11001327May 17, 2024Electrical system, Engine. This service bulletin provides information for engine oil life monitor operation calculation.
• 11001380May 16, 2024Electrical system. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
• 11001321May 16, 2024Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 11001325May 14, 2024Other or unknown. This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
• 11000602May 9, 2024Other or unknown. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
• 11000576May 7, 2024Other or unknown. This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
• 11000599May 6, 2024Wheels. This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
• 11000550May 3, 2024Other or unknown, Electrical system, Exterior lighting, Body and structure…. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 11000549May 3, 2024Wheels. This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires.
• 11000575May 2, 2024Other or unknown. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
• 11000163May 1, 2024Other or unknown. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
• 11000158May 1, 2024Other or unknown, Seats. This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
• 11000164Apr 30, 2024Electrical system. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
• 11000162Apr 30, 2024Electrical system. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 11000160Apr 30, 2024Other or unknown. This service bulletin provides information on proper use of floor mats.
• 10253680Apr 29, 2024Other or unknown, Steering. Service Update - Certain vehicles may have a condition in which the tie rod jam nut may be below torque specification. Dealers will perform a front wheel toe set alignment and tighten both jam nuts to spec.
• 11000157Apr 26, 2024Electrical system. This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME) FAQs.
• 11000119Apr 26, 2024Suspension, Engine, Transmission and drivetrain. This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
• 10253770Apr 18, 2024Wheels. This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
• 10254014Apr 16, 2024Electrical system, Equipment. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
• 10253725Apr 12, 2024Other or unknown. This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
• 10253527Apr 10, 2024Equipment, Electrical system. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 10253526Apr 8, 2024Equipment, Wheels. This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
• 10252735Mar 28, 2024Electrical system. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
• 10252774Mar 26, 2024Electrical system, Equipment. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 10252778Mar 25, 2024Transmission and drivetrain. This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.
• 10252126Mar 21, 2024Equipment. This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
• 10251890Mar 13, 2024Engine cooling. This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
• 10253075Mar 11, 2024Equipment. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 10251888Mar 11, 2024Equipment. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 10251889Mar 10, 2024Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10253066Mar 6, 2024Exterior lighting. This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.

← All problems reported for the 2024 Cadillac CT4