2020 Cadillac CT5Service bulletins
2020 Cadillac CT5 Technical Service Bulletins
898 technical service bulletins (TSBs) are on record for the 2020 Cadillac CT5. 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.
- 10177371Jun 26, 2020Steering, Electrical system. (Private Message Update) Service Update - Certain vehicles may require individual software updates to multiple modules to address various minor issues such as steering feel and data communication. Dealers are to reprogram multiple modules.
- 10178346Jun 25, 2020Electrical system. This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
- 10178342Jun 23, 2020Electrical system. This Preliminary information communicates that the transfer case control module is on engineering restriction to verify diagnostics and service information.
- 10178288Jun 23, 2020Transmission and drivetrain. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
- 10177370Jun 19, 2020Electrical system, Steering. (Private Message) Service Update - Certain vehicles may require individual software updates to multiple modules to address various minor issues such as steering feel and data communication. Dealers are to reprogram multiple modules.
- 10177368Jun 18, 2020Steering, Electrical system. Service Update - Certain vehicles may require individual software updates to multiple modules to address various minor issues such as steering feel and data communication. Dealers are to reprogram multiple modules.
- 10178330Jun 16, 2020Electrical system. This Preliminary information communicates to the dealer that programming modules must be done in OFF power module using MDI2 on 2020 Cadillac CT4,CT5, and Chevrolet Corvette.
- 10178293Jun 15, 2020Equipment. This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
- 10177363Jun 15, 2020Electrical system, Steering. Service Update - Certain vehicles may require individual software updates to multiple modules to address various minor issues such as steering feel and data communication. Dealers are to reprogram multiple modules.
- 10178318Jun 10, 2020Electrical system, Brakes. This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Electronic Brake Boost Control Module and Valve Kit, Brake Pressure Modulator.
- 10178295Jun 10, 2020Engine cooling. This engineering information (EI) closure ends the need for information from technicians/field in regards to engine oil found under their vehicle.
- 10178313Jun 9, 2020Forward collision avoidance, Electrical system. This PI communicates a parts restriction is in effect on 2020 cadillac CT4, and CT5 Front View Camera Module.
- 10178310Jun 8, 2020Forward collision avoidance, Equipment. This PI communicates a parts restriction is in effect on 2020 cadillac CT4, and CT5 Front View Camera Module.
- 10178262Jun 8, 2020Equipment, Electrical system. This informational bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
- 10178291Jun 2, 2020Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
- 10178278Jun 2, 2020Electrical system. This informational bulletin provides information for the technicians to clear DTCs and allow the vehicle to go into sleep mode to correct the Malfunction Indicator Lamp (MIL) Illuminated and to stop DTCs setting.
- 10178302Jun 1, 2020Engine cooling. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Technician will need to inspect the oil cooler if equipped for possible leaking into the cooling system through the radiator. If no issue found replace the engine as well as all rubber coolant hoses. Also updated to include ALL HFV6…
- 10178300Jun 1, 2020Engine. The Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the E99 Engine Control Module. The dealer technician is advised to call the GM Product Quality Center for further assistance.
- 10176337May 29, 2020Electrical system. This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier.
- 10176648May 28, 2020Electrical system. This informational bulletin provides information on Clicking/Ticking Sound/Noise Heard During Cold Start and that this should be considered a normal characteristic.
- 10176647May 27, 2020Equipment, Electrical system. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
- 10176643May 26, 2020Electrical system. This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212.
- 10176329May 26, 2020Engine. This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018.
- 10176649May 20, 2020Electrical system. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
- 10176324May 20, 2020Air bags. This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
- 10176321May 19, 2020Back-over prevention (rear camera). This Preliminary information communicates that a customer may not be able to change camera views and only the rear view camera display is available.
- 10176320May 19, 2020Electrical system. This Preliminary information communicates to the dealer that programming modules must be done in OFF power module using MDI2 on 2020 Cadillac CT4,CT5, and Chevrolet Corvette.
- 10176319May 19, 2020Electrical system. This Preliminary information communicates to the dealer that programming modules must be done in OFF power module using MDI2 on 2020 Cadillac CT4,CT5, and Chevrolet Corvette.
- 10176639May 18, 2020Transmission and drivetrain. This informational bulletin advises the technician not to replace the prop shaft if a small amount of grease is found leaking out.
- 10176638May 18, 2020Electrical system, Back-over prevention (rear camera). This technical bulletin provides repair information to correct a customer concern of Unable to Change Camera View, Stuck in Rear Camera View, or Video Processing Module (VPM) not Responding.
- 10176607May 8, 2020Equipment, Engine, Fuel system. 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.
- 10176644May 7, 2020Equipment. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
- 10176646May 6, 2020Equipment, Electrical system. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
- 10176809May 5, 2020Transmission and drivetrain, Body and structure. SUB - Certain 2020 model year Cadillac CT5 vehicles equipped with all wheel drive (RPO F46) may have a transmission mount ?snubber? rotated out of position. Vehicles with the snubber out of position could experience noise and vibration. Dealers will inspect the transmission mount snubber, and, if out of position, will loosen the fastener bolt, rotate the snubber into its proper position, and retorque the bolt to…
- 10176632May 5, 2020Fuel system, Engine. This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC.
- 10176299May 4, 2020Electrical system, Equipment. This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.
- 10175850Apr 29, 2020Tires, Equipment. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
- 10174866Apr 29, 2020Electrical system, Body and structure. This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette.
- 10175853Apr 28, 2020Equipment. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
- 10174854Apr 21, 2020Equipment. This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier.
- 10174827Apr 17, 2020Engine cooling. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Technician will need to inspect the oil cooler if equipped for possible leaking into the cooling system through the radiator. If no issue found replace the engine as well as all rubber coolant hoses. Also updated to include ALL HFV6…
- 10175769Apr 16, 2020Steering, Wheels, Electrical system. This informational bulletin provides information for dealers/technicians on power seat, power mirrors and steering wheel entry/exit memory recall settings intermittently inoperative.
- 10175855Apr 14, 2020Equipment, Body and structure. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
- 10175768Apr 14, 2020Transmission and drivetrain, Equipment. This technical bulletin provides a procedure to correct a condition of Low-Frequency Noise and Vibration Sound Heard in Passenger Compartment Under Wide Open Throttle.
- 10175852Apr 3, 2020Equipment. This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
- 10174304Mar 31, 2020Equipment. This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs.
- 10173720Mar 25, 2020Electrical system, Suspension. This Preliminary information communicates a parts restriction is in place for the Suspension Control Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette.
- 10173715Mar 23, 2020Steering. This Preliminary information communicates a parts restriction is in place for the Power Steering Gear on 2020 Cadillac CT4 and CT5.
- 10173711Mar 19, 2020Electrical system. This Preliminary information communicates a parts restriction is in place for the Video Processing Module on 2020 Cadillac CT4,CT5 and Chevrolet Corvette. .
- 10174303Mar 18, 2020Equipment. This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs.
← All problems reported for the 2020 Cadillac CT5
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.