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Recent Bulletins

18-NA-064 Malfunction Indicator Lamp (MIL) and/or Propulsion Power Reduced Message Displayed on Driver Information Center (DIC), DTCs P0AEE, P0BD2 or P0BDC Set
Bulletin / Technical / Vehicle DTC Information / Programming and Setup / Displays and Gauges / Hybrid/EV Controls
Sep 17
21-NA-212 Information on Front Seat Adjuster Track Service Part Availability Separate from Complete Seat Cushion Frame Assembly
Bulletin / Information / Seat Hardware, Trim and Upholstery
Sep 17
21-NA-211 Unable to Shift Transmission, Possible MIL Illuminated or Service Transmission Message with Various DTCs Set
Bulletin / Technical / Automatic Transmission / Vehicle DTC Information / Programming and Setup / Displays and Gauges
Sep 17
21-NA-095 Malfunction Indicator Lamp (MIL) Illuminated - DTC P1488 or P24DA Set
Bulletin / Technical / Exhaust / Vehicle DTC Information
Sep 17
21-NA-149 Engine Wire Harness Chafing
Bulletin / Technical / Wiring Systems and Power Management
Sep 17
21-NA-210 Information on A/C Evaporator Rubber Hose Cracking
Bulletin / Information / General Information / Hybrid/EV System Heating and Cooling
Sep 16
PIT5852 Wipers Only Operate On One Speed
Bulletin / Preliminary Information / Wipers/Washer Systems
Sep 16
21-NA-207 Shudder 15mph-13mph When Coasting to a Stop
Bulletin / Technical / Programming and Setup / Engine Mechanical / Engine Controls and Fuel
Sep 16
21-NA-208 Changes to the Auto HVAC Control Knob Digital Temperature Display Feature for Certain 2021 Silverado 1500, Sierra 1500 Models Equipped with RPO 00D
Bulletin / Technical / Heating, Ventilation and Air Conditioning / HVAC Systems - Automatic / Entertainment / Programming and Setup
Sep 16
PIE0656 Engineering Information - Rear Seat Infotainment Display or Headphones Intermittently Malfunction
Bulletin / Engineering Information / General Information
Sep 16
PIT5847B SES Light - Reduced Power - DIC Warning Messages - Reduced Steering Message - Stabilitrack Message
Bulletin / Preliminary Information / Displays and Gauges / Data Communications / Engine Controls and Fuel
Sep 15
21-NA-206 Squeak Noise When Turning Steering Wheel
Bulletin / Technical / Steering Wheel and Column
Sep 14
21-NA-135 Information on Obtaining Techline Calibrations for Law Enforcement and Government Vehicles to Disable or Enable Content
Bulletin / Information / General Information
Sep 14
PIT5752B SPS Programming Issues / No Communication / IPC Gauges Erratic / Various IPC Warning MILs / Certain Cruise Control Speeds Will Not Set / Communication DTCs
Bulletin / Preliminary Information / Displays and Gauges / Data Communications / Engine Controls and Fuel
Sep 14
PIE0633B Engineering Information - A/C Does Not Cool the Vehicle Cabin and/or A/C Air Not Cold From the Vent
Bulletin / Engineering Information / Heating, Ventilation and Air Conditioning / General Information
Sep 14
21-NA-209 Black Radio Display Screen with DTCs U023C, B1A62 Set
Bulletin / Technical / Vehicle DTC Information / Entertainment / Programming and Setup
Sep 14
21-K-009 Passenger Side Insufficient Heating Performance
Bulletin / Technical / Engine Heating and Cooling
Sep 14
20-NA-142 Shudder/Surging While Driving
Bulletin / Technical / Automatic Transmission
Sep 13
N212339390 Customer Satisfaction Program - Radiator Surge Tank Outlet Hose Clamp – 2 Involved VINs in the USA Only
Campaign / Customer Satisfaction / Engine Heating and Cooling
Sep 13
N212335650 Customer Satisfaction Program - Rear Seat Bolster with Airbag – 2 Involved VINs in the USA Only
Campaign / Customer Satisfaction / Seat Hardware, Trim and Upholstery
Sep 13
N212346870 Service Update - Front Brake Rotors Improperly Installed
Campaign / Service Update / Antilock Brake System
Sep 13
21-K-007 Incomplete Assembly Between Throttle Body and Charge Air Cooler Outlet Duct
Bulletin / Technical / Engine Heating and Cooling
Sep 10
PIT5466D Converting To Fleet Key Option RPO 6E2 or 6E8
Bulletin / Preliminary Information / Steering Wheel and Column / Immobilizer
Sep 09
N212333380-01 Safety Recall - Rear Seat Belt Retractor Bolt Not Installed
Campaign / Safety / Seat Belts
Sep 09
19-NA-218 Ticking Noise from the Engine
Bulletin / Technical / Vehicle DTC Information / Engine Mechanical
Sep 08
17-NA-118 Information on Body Seam Locations as Possible Intrusion Areas for Water Leaks, Musty Odor, Wet Carpet and/or Water Leaking on Driver Side Floor
Bulletin / Technical / Waterleaks
Sep 08
N212332831 Service Update - Front Bearing/Hub Assembly to Knuckle Fastener – Right Side
Campaign / Service Update / Steering Linkage
Sep 08
N212332830 Service Update - Front Bearing/Hub Assembly to Knuckle Fastener – Left Side
Campaign / Service Update / Steering Linkage
Sep 08
N212335281 Service Update - Video Processing Module Calibration Incorrect
Campaign / Service Update / Programming and Setup
Sep 08
PIC6424A Replacement Active Safety Control Modules May Fail During Programming
Bulletin / Preliminary Information / Object Detection
Sep 08
21-NA-115 Information on Available ECM Calibration to Activate High Idle Mode for Fleet Vehicles
Bulletin / Information / Programming and Setup / Engine Controls and Fuel
Sep 08
N212346050 Customer Satisfaction Program - Customers Double Charged for Black Nameplates or Black Tailgate Lettering
Campaign / Customer Satisfaction / Exterior Trim
Sep 08
N212335280 Service Update - Video Processing Module Calibration Incorrect
Campaign / Service Update / Programming and Setup
Sep 08
PIT5841A No Fob Detected Message on DIC with No Crank/No Start
Bulletin / Preliminary Information / Vehicle Access Systems / Immobilizer
Sep 08
N162016079 Noncompliance Recall - Park/Position Lamp Intensity
Campaign / FMVSS Noncompliance / Lighting Systems
Sep 07
PIT5851 Odometer Displays Zero or Incorrect Mileage After Programming DTCs U1973 U197E U197F U2A90 U2A91 U1978 and/or U197F
Bulletin / Preliminary Information / Bumpers and Fascias
Sep 07
PIT5834F A/C Blows Warm Intermittently Or Takes A Long Time To Start Cooling
Bulletin / Preliminary Information / Heating, Ventilation and Air Conditioning
Sep 07
PIP5680D Excessive Oil Smoke From the Exhaust On Cold Start
Bulletin / Preliminary Information / Engine Mechanical
Sep 07
21-NA-205 Active Safety External Communication Control Module OTA Update Failed with Service Engine Soon or Service Drivers Assist Messages Illuminated in DIC
Bulletin / Technical / Programming and Setup / Displays and Gauges
Sep 03
21-NA-202 Changes to the HVAC Blower Motor for certain 2021 Escalade, Tahoe, Suburban, Yukon models Equipped with RPO 00H
Bulletin / Information / Heating, Ventilation and Air Conditioning / General Information
Sep 02
PIE0576C Engineering Information - Vehicle Exhibits a No Crank No Start Condition During Start/Stop Event or When Starting Vehicle Using the Start Button On the Dash
Bulletin / Engineering Information / General Information / Data Communications / Engine Mechanical
Sep 02
N212328520 Customer Satisfaction Program - Incorrect Floor Mats for High Country Package
Campaign / Customer Satisfaction / Interior Trim and Paneling
Sep 02
18-NA-069 Poor Engine Performance in Extremely Cold Weather Conditions for LFV Engines, Charge Air Cooler (CAC) Icing - Malfunction Indicator Lamp (MIL) Illuminated, DTC P0299, P0236, P2227, P00C7 Set
Bulletin / Technical / Vehicle DTC Information / Displays and Gauges / Engine Controls and Fuel
Sep 02
21-NA-204 Diagnostic Aid for Speed Limited Message or Reduced Propulsion Power Message With No DTCs
Bulletin / Information / Vehicle DTC Information / Displays and Gauges
Sep 02
N212345540 Emission Recall - Calibration Verification Number Not Provided by ECM
Campaign / Product Emission / Programming and Setup
Sep 02
20-NA-218 Possible Crank No Start or Extended Crank with DTC P12A6
Bulletin / Technical / Vehicle DTC Information / Programming and Setup / Engine Controls and Fuel
Sep 01
21-NA-203 Front View Driver Information Camera Adjustment to Reduce Display Occlusion
Bulletin / Technical / Image Display Cameras
Sep 01
21-NA-183 Intermittent Door Locks Inoperative, DTCs B3125, B3130, B3135, B3979, B3980, Various U codes, IP Lamps Illuminate, Immobilizer, Unwanted Horn or Hazard Flasher Operation
Bulletin / Technical / HVAC Systems - Automatic / Vehicle DTC Information / Horns / Displays and Gauges
Sep 01
PIT5544E Normal Characteristic - Hydraulic Rush Noise from Power Steering Gear
Bulletin / Preliminary Information / Power Steering
Sep 01
PIP5608H TCC Shudder Surge Fishbite Chuggle
Bulletin / Preliminary Information / Automatic Transmission
Sep 01

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