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2022 Cadillac CT5-V: #N212346870: Service Update - Front Brake Rotors Improperly Installed - (Sep 13, 2021)

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#N212346870: Service Update - Front Brake Rotors Improperly Installed - (Sep 13, 2021)

Subject N212346870 — Front Brake Rotors Improperly Installed
Models 2022 Cadillac CT5

Release Date: September 2021

Revision: 00



This service update includes vehicles in dealer inventory and customer vehicles that return to the dealership for any reason. This bulletin will expire at the end of the involved vehicle’s New Vehicle Limited Warranty period.




Model Year











Involved vehicles are marked “open” on the Investigate Vehicle History screen in GM Global Warranty Management system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs.


Certain 2022 model year Cadillac CT5 vehicles, equipped with carbon ceramic rotors (RPO J57), may have the front rotors installed on opposite sides.


Dealers are to visually inspect the front rotors and if necessary, swap the front rotors.

Parts Information

No parts are required for this repair.

Warranty Information

Labor Operation


Labor Time

Trans. Type

Net Item


Inspect Only - No Further Action Required





Install Front Brake Rotors in Correct Location (Includes Inspection)


Service Procedure

Caution: Disc brake rotor protectors MUST be installed prior to tire and wheel assembly removal to avoid ceramic brake rotor damage due to contact between the tire and wheel assembly and the rotor. If the ceramic brake rotor is damaged, replacement may be required. This brake rotor protector is in the rear compartment of the vehicle.

  1. Inspect the left and right front brake rotors for proper installation. They are marked with a directional arrow as well as a letter indicator (L or R). This inspection can be performed by looking between the spokes of the wheel, no disassembly or wheel removal is required.
    2022 Cadillac CT5-V: #N212346870: Service Update - Front Brake Rotors Improperly Installed - (Sep 13, 2021)

    Right Rotor Example

    2022 Cadillac CT5-V: #N212346870: Service Update - Front Brake Rotors Improperly Installed - (Sep 13, 2021)

    Left Rotor Example

  • If the rotors are installed properly, L on the left side of the vehicle and R on the right side of the vehicle, no further action is required.
  • If the rotors are installed in the incorrect location, proceed to step #2.
  • Remove the left and right front brake rotors and install them on the correct side of the vehicle. Refer to Front Brake Rotor Replacement (J57) in SI.
  • Dealer Responsibility

    Whenever a vehicle subject to this service update enters your vehicle inventory, or is in your facility for service in the future, and the vehicle is still covered under the New Vehicle Limited Warranty, you must take the steps necessary to be sure the service update correction has been made before selling or releasing the vehicle.

    All new, used, GM Certified Used, courtesy transportation vehicles, dealer shuttle vehicles, etc. in dealers’ possession and subject to this bulletin must be held and inspected/repaired per the service procedure of this bulletin before customers take possession of these vehicles.  Involved vehicles must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration, or any other purpose.

    All GM Certified Used vehicles currently in the dealers’ inventory within the Certified Pre-Owned Inventory System (CPOIS) will be de-certified and must be held and remedied per the service procedure in this bulletin. Upon submitting an accepted/paid warranty transaction in the Global Warranty Management (GWM) system, the vehicle can be re-certified for sale within the CPOIS system, or once again be used in the CTP program.

    2022 Cadillac CT5-V: #N212346870: Service Update - Front Brake Rotors Improperly Installed - (Sep 13, 2021)

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