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Recent Bulletins

 

BULLETINS

Body Hardware and Trim

#23-NA-082 - Information for Vehicles Having Rear Park Assist Button But Rear Park Assist Does Not Function - (May 17, 2023)

Related To: General Information / Instrument Panel and Console Trim

Body Repair

#23-NA-004 - Front Door Panel Separating - (May 18, 2023)

Related To: Bolted Exterior Body Panels and Closures / Fixed and Moveable Windows / Vehicle Access Systems

Body Systems

#23-NA-004 - Front Door Panel Separating - (May 18, 2023)

Related To: Bolted Exterior Body Panels and Closures / Fixed and Moveable Windows / Vehicle Access Systems

Brakes

#21-NA-142 - Front Brake Grind/Groan Noise After Sitting Overnight - (May 18, 2023)

Related To: Disc Brakes

#22-NA-165 - Brake Squeal Noise at Low Speeds - (May 17, 2023)

Related To: Disc Brakes / General Information

Diagnostic Overview, Starting Point, and Programming

#23-NA-033 - Rattle Noise During Cold Start, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2261 Set - (May 19, 2023)

Related To: Vehicle DTC Information / Squeaks and Rattles / Engine Controls and Fuel

#23-NA-093 - Information on New Requirements for Catalytic Converter Claims - (May 19, 2023)

Related To: Exhaust / General Information

#23-NA-081 - Information on High Output Engine Calibration Installation Process - (May 17, 2023)

Related To: Programming and Setup / Engine Controls and Fuel

#22-NA-150 - Malfunction Indicator Lamp (MIL) Illuminated, Service Emission System and/or DEF Level Low Message on Driver Information Center (DIC), DEF Level Sensor Reading Incorrectly, DEF Level Sensor Being Erratic, DEF Level Sensor Stuck - (May 17, 2023)

Related To: Vehicle DTC Information / Programming and Setup

Engine

#22-NA-074 - Gasoline Engine Replacement Guidelines after Connecting Rod or Crankshaft Main Bearing Damage - Replace Oil Cooler, Oil Cooler Lines, Oil Tank and Turbocharger - (May 19, 2023)

Related To: Engine Mechanical

Engine/Propulsion

#22-NA-074 - Gasoline Engine Replacement Guidelines after Connecting Rod or Crankshaft Main Bearing Damage - Replace Oil Cooler, Oil Cooler Lines, Oil Tank and Turbocharger - (May 19, 2023)

Related To: Engine Mechanical

#23-NA-033 - Rattle Noise During Cold Start, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2261 Set - (May 19, 2023)

Related To: Vehicle DTC Information / Squeaks and Rattles / Engine Controls and Fuel

#23-NA-093 - Information on New Requirements for Catalytic Converter Claims - (May 19, 2023)

Related To: Exhaust / General Information

#PIE0750 - Engineering Information - Failed or Thrown Accessory Drive Belt - (May 19, 2023)

Related To: General Information / Engine Mechanical

#23-NA-081 - Information on High Output Engine Calibration Installation Process - (May 17, 2023)

Related To: Programming and Setup / Engine Controls and Fuel

Engine/Propulsion MD

#22-NA-074 - Gasoline Engine Replacement Guidelines after Connecting Rod or Crankshaft Main Bearing Damage - Replace Oil Cooler, Oil Cooler Lines, Oil Tank and Turbocharger - (May 19, 2023)

Related To: Engine Mechanical

General Information

#23-NA-033 - Rattle Noise During Cold Start, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2261 Set - (May 19, 2023)

Related To: Vehicle DTC Information / Squeaks and Rattles / Engine Controls and Fuel

#23-NA-093 - Information on New Requirements for Catalytic Converter Claims - (May 19, 2023)

Related To: Exhaust / General Information

#PIE0750 - Engineering Information - Failed or Thrown Accessory Drive Belt - (May 19, 2023)

Related To: General Information / Engine Mechanical

#23-NA-060 - Creak/Tick Noise from the Left (Driver) Side Rear of the Vehicle When Traveling Over Bumps/Uneven Surfaces - (May 18, 2023)

Related To: General Information / Air/Wind Noise / Squeaks and Rattles

#22-NA-165 - Brake Squeal Noise at Low Speeds - (May 17, 2023)

Related To: Disc Brakes / General Information

#23-NA-092 - Water leak and/or Wet Carpet - (May 17, 2023)

Related To: Waterleaks

#23-NA-082 - Information for Vehicles Having Rear Park Assist Button But Rear Park Assist Does Not Function - (May 17, 2023)

Related To: General Information / Instrument Panel and Console Trim

Suspension

#23-NA-094 - Rattle from the Front of Vehicle - (May 19, 2023)

Related To: Front Suspension

PRELIMINARY INFORMATION

Body Hardware and Trim

#PIC6501B - Center Upper IP Compartment Operation - Bin is Difficult to Open or Close - (May 18, 2023)

Related To: Instrument Panel and Console Trim

Body Repair

#PIT6023 - 2024 Silverado EV Parts Restriction Program - (May 18, 2023)

Related To: Rear Drive Axle / Heating, Ventilation and Air Conditioning / Vibration Diagnosis and Correction / Plastic Panel Information and Repair / Air Compressor - Auxiliary / Displays and Gauges / Wiring Systems and Power Management / Hybrid/EV High Voltage Energy Storage

Body Systems

#PIT6023 - 2024 Silverado EV Parts Restriction Program - (May 18, 2023)

Related To: Rear Drive Axle / Heating, Ventilation and Air Conditioning / Vibration Diagnosis and Correction / Plastic Panel Information and Repair / Air Compressor - Auxiliary / Displays and Gauges / Wiring Systems and Power Management / Hybrid/EV High Voltage Energy Storage

Driveline/Axle

#PIT6023 - 2024 Silverado EV Parts Restriction Program - (May 18, 2023)

Related To: Rear Drive Axle / Heating, Ventilation and Air Conditioning / Vibration Diagnosis and Correction / Plastic Panel Information and Repair / Air Compressor - Auxiliary / Displays and Gauges / Wiring Systems and Power Management / Hybrid/EV High Voltage Energy Storage

Driver Information and Entertainment

#PIT6024 - Add Phone Button Grayed Out - (May 19, 2023)

Related To: Displays and Gauges

#PIC6505 - Surround Vision Recorder Inoperative - (May 18, 2023)

Related To: Displays and Gauges

#PIT6023 - 2024 Silverado EV Parts Restriction Program - (May 18, 2023)

Related To: Rear Drive Axle / Heating, Ventilation and Air Conditioning / Vibration Diagnosis and Correction / Plastic Panel Information and Repair / Air Compressor - Auxiliary / Displays and Gauges / Wiring Systems and Power Management / Hybrid/EV High Voltage Energy Storage

Engine/Propulsion

#PIT6023 - 2024 Silverado EV Parts Restriction Program - (May 18, 2023)

Related To: Rear Drive Axle / Heating, Ventilation and Air Conditioning / Vibration Diagnosis and Correction / Plastic Panel Information and Repair / Air Compressor - Auxiliary / Displays and Gauges / Wiring Systems and Power Management / Hybrid/EV High Voltage Energy Storage

#PIP5923 - Information on 8 Speed E-Assist Transmissions With A Hard Shift While Stopping - (May 17, 2023)

Related To: Automatic Transmission / Engine Mechanical

#PIT6021 - High Voltage Drive Motor Battery - TAC Approval and Exchange Program for 2024 Silverado EV - (May 17, 2023)

Related To: Automatic Transmission / Starting, Charging, and Low Voltage Energy Storage / Hybrid/EV Controls

#PIT6001B - Service Steering Message, Loss of Steering Assist C056D U0420 U2502 After Replacement of Steering Gear - (May 17, 2023)

Related To: Power Steering / Engine Mechanical

General Information

#PIT6023 - 2024 Silverado EV Parts Restriction Program - (May 18, 2023)

Related To: Rear Drive Axle / Heating, Ventilation and Air Conditioning / Vibration Diagnosis and Correction / Plastic Panel Information and Repair / Air Compressor - Auxiliary / Displays and Gauges / Wiring Systems and Power Management / Hybrid/EV High Voltage Energy Storage

HVAC

#PIT6023 - 2024 Silverado EV Parts Restriction Program - (May 18, 2023)

Related To: Rear Drive Axle / Heating, Ventilation and Air Conditioning / Vibration Diagnosis and Correction / Plastic Panel Information and Repair / Air Compressor - Auxiliary / Displays and Gauges / Wiring Systems and Power Management / Hybrid/EV High Voltage Energy Storage

Power and Signal Distribution

#PIT6023 - 2024 Silverado EV Parts Restriction Program - (May 18, 2023)

Related To: Rear Drive Axle / Heating, Ventilation and Air Conditioning / Vibration Diagnosis and Correction / Plastic Panel Information and Repair / Air Compressor - Auxiliary / Displays and Gauges / Wiring Systems and Power Management / Hybrid/EV High Voltage Energy Storage

Steering

#PIT6001B - Service Steering Message, Loss of Steering Assist C056D U0420 U2502 After Replacement of Steering Gear - (May 17, 2023)

Related To: Power Steering / Engine Mechanical

Transmission/Transaxle

#PIP5924 - Diagnostic Aid For Bump When Stopping - (May 19, 2023)

Related To: Automatic Transmission

#PIP5923 - Information on 8 Speed E-Assist Transmissions With A Hard Shift While Stopping - (May 17, 2023)

Related To: Automatic Transmission / Engine Mechanical

#PIT6021 - High Voltage Drive Motor Battery - TAC Approval and Exchange Program for 2024 Silverado EV - (May 17, 2023)

Related To: Automatic Transmission / Starting, Charging, and Low Voltage Energy Storage / Hybrid/EV Controls