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Recent Bulletins

20-NA-136 Diagnostic Tips for DTCs Set at a Low Mileage for 9T65 Transmissions
Bulletin / Information / Automatic Transmission / Vehicle DTC Information
Oct 01
PIT5809B Clunk Pop Rattle Knock Click Type Noise Heard or Felt In The Steering
Bulletin / Preliminary Information / Steering Wheel and Column
Oct 01
PIP5823A Intermittent Extended Crank No Start
Bulletin / Preliminary Information / Engine Controls and Fuel
Oct 01
PIP5822A Intermittent Extended Crank or Intermittent Crank No Start and DTC P0341 Set
Bulletin / Preliminary Information / Engine Controls and Fuel
Sep 30
PIE0627A Engineering Information - One or More Camera Views Showing Intermittent Behavior and/or Totally Inoperable
Bulletin / Engineering Information / General Information
Sep 29
21-NA-125 Service Emission System and/or Service Engine Soon Lamp Illuminated On Driver Information Center (DIC), DTC P208B Set
Bulletin / Technical / General Information / Engine Controls and Fuel
Sep 29
PIP5769B T96 TCM Restriction Has Ended
Bulletin / Preliminary Information / Automatic Transmission
Sep 29
19-NA-235 Rattle or Ticking Noise from B-Pillar Area
Bulletin / Technical / Squeaks and Rattles / Frame and Underbody
Sep 29
21-NA-169 Diagnostic Tip for DTCs Set at a Low Mileage for 9T45/50/60 Automatic Transmissions
Bulletin / Technical / Automatic Transmission / Vehicle DTC Information
Sep 28
PIP5768B E66 ECM PQC Part Restriction has ended
Bulletin / Preliminary Information / Engine Controls and Fuel
Sep 28
N212332040 Safety Recall - Stall While Driving
Campaign / Safety / Engine Controls and Fuel
Sep 28
21-K-009 Passenger Side Insufficient Heating Performance
Bulletin / Technical / Engine Heating and Cooling
Sep 27
17-NA-271 Clicking Noise from Front Wheels While Turning at Slow Speeds
Bulletin / Technical / Tires and Wheels
Sep 27
N212348030 Emissions Recall - Engine Control Module Cannot Detect Catalyst Inefficiency
Campaign / FMVSS Noncompliance / Engine Controls and Fuel
Sep 27
PIP5812B Diagnostic Tip: Potential For Oil/Moisture Condensate Freezing Up in Turbocharger Wastegate Regulator Solenoid Valve (TCV)
Bulletin / Preliminary Information / Engine Controls and Fuel
Sep 27
21-NA-199 Information on Installation of a New Thermal Bypass Valve (TBV)
Bulletin / Information / Automatic Transmission
Sep 27
PIP5816A P0300 Setting After Bulletin 21-NA-154 Was Performed
Bulletin / Preliminary Information / Engine Controls and Fuel
Sep 27
N212341880 Customer Satisfaction Program - Damaged Power Steering Gears Installed
Campaign / Customer Satisfaction / Power Steering
Sep 27
07-07-30-010E Procedure to Take Snapshot Data with a Tech 2 and Upload Data to a Computer Using TIS Software
Bulletin / Information / Automatic Transmission / Vehicle DTC Information / Computer/Integrating Systems / Wiring Systems / Programming and Setup / Wiring Systems and Power Management / Automatic Transaxle
Sep 24
21-NA-207 Shudder 15mph-13mph When Coasting to a Stop
Bulletin / Technical / Programming and Setup / Engine Mechanical / Engine Controls and Fuel
Sep 24
21-NA-029 Reduced Power Message Displayed on the Drivers Information Center (DIC), Malfunction Indicator Lamp (MIL) Illuminated - DTC P0521, P06DA, P05DB, P06DC, P06DD, and/or P1381
Bulletin / Technical / Vehicle DTC Information / Programming and Setup / Engine Heating and Cooling
Sep 24
21-NA-215 Pop Noise Heard on Heavy Acceleration Only - Multiple DTC’s Set
Bulletin / Technical / Vehicle DTC Information / Wiring Systems and Power Management / Electrical Component Locator and Harness Routing Views
Sep 24
PIE0628A Engineering Information - Malfunction Indicator Lamp Illuminated on Driver Information Center (DIC), DTCs P3055, P3056 Set
Bulletin / Engineering Information / General Information / Vehicle DTC Information / Displays and Gauges / Engine Controls and Fuel
Sep 24
PIE0647A Engineering Information - 120-Volt Accessory Power Receptacle Not Functioning
Bulletin / Engineering Information / General Information / Power Outlets
Sep 24
21-NA-135 Information on Obtaining Techline Calibrations for Law Enforcement and Government Vehicles to Disable or Enable Content
Bulletin / Information / General Information
Sep 24
15-NA-010 Information for New Vehicles with Less than 1,000 Miles that May Not Pass California Smog Inspection or Smog Inspection in Other States
Bulletin / Information / Exhaust / General Information / Vehicle DTC Information / Programming and Setup / Introduction / Technical Data / Engine Controls and Fuel
Sep 23
19-NA-013 Ticking or Popping Noise at Roof Rail Assist Handle(s)
Bulletin / Technical / Squeaks and Rattles / Frame and Underbody
Sep 23
21-NA-013 Rattle or Ticking Noise Heard Coming from B-Pillar Area
Bulletin / Technical / Squeaks and Rattles
Sep 23
19-NA-111 Ticking Noise from Upper B-Pillar Area
Bulletin / Technical / General Information / Squeaks and Rattles / Collision Repair / Bolted Exterior Body Panels and Closures
Sep 23
PIT5849A Tail Lights Remain On After Passive Locking and/or Dead Battery
Bulletin / Preliminary Information / Lighting Systems / 12 V Starting and Charging
Sep 23
PIT5855 Heated and Ventilated Seats Inoperative
Bulletin / Preliminary Information / Data Communications / Seat Heating & Cooling
Sep 23
PIE0616D Engineering Information - Service Park Assist Lamp Illuminated on the Driver Information Center (DIC), DTC U0159 Set in One or More Modules
Bulletin / Engineering Information / Vehicle DTC Information / Displays and Gauges
Sep 22
PIE0649A Engineering Information - Paint Chipping and/or Peeling on Front Fascia at the Interface of Front Fender and Fascia Near Headlamp
Bulletin / Engineering Information / Bumpers and Fascias / Paint and Coatings
Sep 22
PIP5824 2021 HFV6 Engine Misfire On AFM Cylinders 2 or 5
Bulletin / Preliminary Information / Engine Controls and Fuel
Sep 22
21-NA-213 During Vehicle Turns, Airbag, Theft, and Tire Lamps Illuminate On/Off, Malfunction Indicator Lamp (MIL) Illuminated with DTCs U0078, U0140, U0184, U0151, and/or U0073 Set
Bulletin / Technical / Vehicle DTC Information / Displays and Gauges / Wiring Systems and Power Management / Wire and Connector Repair
Sep 21
99-04-20-002M Information on Driveline Clunk Noise
Bulletin / Information / Rear Drive Axle / Automatic Transmission / General Information
Sep 21
07-00-89-037R Warranty Administration - GM Courtesy Transportation and Roadside Assistance Programs
Bulletin / Warranty Administration / General Information
Sep 21
21-NA-068 Warranty Administration - Transmitter Key Fob Warranty Replacement Requirements (U.S. Only)
Bulletin / Warranty Administration / General Information / Remote Functions
Sep 21
PIT5854 Service Leveling System/Speed Limited Message Due to Aftermarket Modifications
Bulletin / Preliminary Information / Suspension Controls
Sep 21
PIT5790C Radio Resets Or Reboots And Then Displays myBrand Splash Animation
Bulletin / Preliminary Information / Entertainment
Sep 21
21-NA-155 Information on Check Trailer Wiring Message and/or Service Trailer Brake Displayed on Driver Information Center (DIC) - DTC C1114 Set
Bulletin / Information / Vehicle DTC Information / Power Outlets / Wiring Systems and Power Management / Electrical Component and Inline Harness Connector End Views / Wire and Connector Repair
Sep 21
PIE0657 Engineering Information - Check Engine Lamp Illuminated On Driver Information Center (DIC), DTC P0494 Set
Bulletin / Engineering Information / General Information / Vehicle DTC Information / Engine Heating and Cooling
Sep 21
N212344080 Customer Satisfaction Program - Steering Gear Replacement – One Involved VIN in the USA
Campaign / Customer Satisfaction / Steering Linkage
Sep 21
N212328790-03 Safety Recall - Front Passenger Airbag Takata Inflator - Priority Group 9
Campaign / Safety / SIR
Sep 20
PIT5291F Wind Whistle Noise at Highway Speeds from Left or Right Rear Quarter Glass Area
Bulletin / Preliminary Information / Air/Wind Noise
Sep 20
N212328780-03 Safety Recall - Front Passenger Airbag Takata Inflator - Priority Group 8
Campaign / Safety / SIR
Sep 20
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 20
PIT4916K Normal Characteristic - Wind Buffeting Noise With a Rear Window Down
Bulletin / Preliminary Information / Fixed and Moveable Windows
Sep 20
PIE0640B Engineering Information - Vehicle Exhibits a Slow Crank, No Crank and/or No Start Condition When Starting Vehicle Using Start Button on Dash
Bulletin / Engineering Information / General Information / 12 V Starting and Charging
Sep 20
PIT5853 Rattle Noise from Drivers Side Dash Area
Bulletin / Preliminary Information / General Information / Instrument Panel and Console Trim
Sep 20

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Contained within this site is information for most domestic GM models built since 1995. We have built a custom web-based application using our unique tree-based navigation and combined it with a weekly feed of updated information from GM to create a solution for your repair and diagnosis needs. Our focus is on making the information easy to find, enabling you to increase your shop's efficiency.

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