2023 Chevrolet Colorado Technical Service Bulletins

647 technical service bulletins (TSBs) are on record for the 2023 Chevrolet Colorado. 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.

• 11017302Mar 29, 2025Engine. This informational bulletin advises the technician that the gasket for the timing chain tensioner is not required.
• 11017247Mar 28, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11017263Mar 25, 2025Engine. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
• 11017255Mar 25, 2025Electrical system, Steering, Transmission and drivetrain. This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
• 11016163Mar 25, 2025Other or unknown. This Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and repair of 8 Speed Transmissions
• 11017207Mar 21, 2025Other or unknown, Electrical 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.
• 11017173Mar 21, 2025Fuel system, Steering, Brakes. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
• 11017096Mar 21, 2025Visibility (wipers, defrost, mirrors). This technical bulletin provides a procedure to correct the condition of Windshield Wipers Inoperative and/or Motor Nut Loose / Missing.
• 11017097Mar 20, 2025Brakes. This informational bulletin provides information on the brake system warning lamp illuminated on driver information center (DIC), brake pedal goes closer to the floor and/or is harder to push.
• 11017050Mar 20, 2025Visibility (wipers, defrost, mirrors). This bulletin provides information on Wiper Blade Maintenance Tips.
• 11017051Mar 18, 2025Engine. This informational bulletin advises the technician of which pan to use if the LCE has been replaced and to install an aluminum pan should be used with a new LCE.
• 11017036Mar 14, 2025Electrical system, Steering. This technical bulletin provides repair information to correct a customer concern of Turn Signal Over Cancelling.
• 11017016Mar 14, 2025Wheels. This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
• 11017031Mar 12, 2025Electrical system. This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
• 11016965Mar 11, 2025Body and structure. This technical bulletin provides a procedure to correct the condition of Front Wheel Opening Moldings Not Flush and/or Poor Fitment.
• 11015581Mar 7, 2025Other or unknown. This Preliminary information communicates if a customer and service tech encounter a gear display after a radio update, to replace the A11 radio for this concern.
• 11015567Mar 5, 2025Other or unknown. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 11016942Mar 4, 2025Engine. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
• 11014664Mar 3, 2025Engine. Service Update. Certain vehicles listed above may have a condition in which the Engine Control Module (ECM) does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
• 11014589Mar 3, 2025Other or unknown. Certain 2023-2024 model year Chevrolet Colorado / Silverado 1500 and GMC Canyon / Sierra 1500 vehicles equipped with a 2.7L engine (RPO L3B), may have an Engine Control Module (ECM) that does not sufficiently control fuel injector flow rate under certain driving conditions. This update will complete the remedy for GM Recall No. N242452130 and no additional steps are needed after a successful update. You will also…
• 11014622Mar 2, 2025Transmission and drivetrain. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
• 11014621Mar 2, 2025Transmission and drivetrain. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
• 11015217Feb 26, 2025Steering, Electrical system. This technical bulletin provides repair information to correct a customer concern of Turn Signal Over Cancelling.
• 11015215Feb 26, 2025Visibility (wipers, defrost, mirrors). This bulletin provides information on Wiper Blade Maintenance Tips.
• 11015214Feb 26, 2025Electrical system, Other or unknown. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
• 11015204Feb 26, 2025Body and structure. This technical bulletin provides a procedure to Oil Can and/or Pop Noise from Roof Area During Car Wash.
• 11015202Feb 26, 2025Suspension. This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise.
• 11015409Feb 25, 2025Suspension, Wheels. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
• 11015387Feb 22, 2025Other or unknown. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 11015382Feb 20, 2025Body and structure. This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
• 11014453Feb 19, 2025Other or unknown. This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern. It is due to software and will need to reprogram the A11 radio module to correct this.
• 11014577Feb 18, 2025Steering. This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
• 11014450Feb 18, 2025Other or unknown. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
• 11014315Feb 15, 2025Other or unknown. This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
• 11014311Feb 15, 2025Other or unknown. This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
• 11014305Feb 14, 2025Other or unknown. This Preliminary information communicates if a customer and service tech encounter this concern, it will be fixed with a software update and the vehicle can still be driven in the meantime.
• 11014564Feb 13, 2025Other or unknown, Electrical system. This technical bulletin provides repair information to correct a customer concern of Turn Signal Over Cancelling.
• 11014563Feb 13, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11014353Feb 12, 2025Transmission and drivetrain. This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
• 11014573Feb 11, 2025Engine. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Malfunction Indicator Lamp (MIL) illuminated on Driver Information Center (DIC) with Multiple DTCs set.
• 11014388Feb 8, 2025Body and structure. This technical bulletin provides a procedure to Oil Can and/or Pop Noise from Roof Area During Car Wash.
• 11014280Feb 7, 2025Electrical system, Other or unknown. This service bulletin provides repair information to correct a customer concern of software related issues with release of Radio Software Update Version is W38E-174.4.1-M170-SQBR5-180.5.
• 11014063Feb 7, 2025Other or unknown. This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
• 11014277Feb 6, 2025Brakes, Forward collision avoidance. This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.
• 11014230Jan 31, 2025Visibility (wipers, defrost, mirrors), Brakes, Wheels, Electrical system, Engine. 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.
• 11014171Jan 31, 2025Body and structure, Vehicle speed control. This service bulletin provides information on proper use of floor mats.
• 11013413Jan 31, 2025Other or unknown. This Preliminary information communicates the possibility of poor heater performance or no heat in the passenger compartment of the vehicle
• 11014238Jan 30, 2025Body and structure, Other or unknown. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 11014233Jan 30, 2025Engine. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
• 11014239Jan 29, 2025Electrical system, Other or unknown. 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.

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