2002 Chevrolet Envoy service bulletins & manufacturer communications

75 manufacturer communications are on file with NHTSA for the 2002 Chevrolet Envoy. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which mo…
  General Communication · Service campaign · Electrical System · issued Aug 26, 2024
• GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inad…
  24-NA-141 · Technical service bulletin · Power Train · issued Jul 24, 2024
• This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or mi…
  16-NA-383 · Technical service bulletin · Engine · issued Jun 28, 2024
• This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
  18-NA-099 · Technical service bulletin · Unknown / Other · issued Jun 17, 2024
• This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4…
  24-NA-098 · Technical service bulletin · Electrical System · issued Jun 6, 2024
• This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
  10-08-45-001H · Technical service bulletin · Electrical System · issued Mar 28, 2024
• This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or …
  16-NA-383 · Technical service bulletin · Engine and Engine Cooling · issued Mar 13, 2024
• 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 …
  22-NA-074 · Technical service bulletin · Engine and Engine Cooling · issued Feb 22, 2024
• This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
  18-NA-099 · Technical service bulletin · Equipment · issued Jan 16, 2024
• This PI bulletin advises the technician on the proper way to install the pistons in an engine.
  PI1394B · Technical service bulletin · Power Train · issued Jan 12, 2024
• This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
  02-08-42-001J · Technical service bulletin · Exterior Lighting · issued Jan 12, 2024
• This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
  23-NA-219 · Technical service bulletin · Equipment · issued Dec 12, 2023
• This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
  17-NA-170 · Technical service bulletin · Wheels · issued Oct 6, 2023
• This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
  10-00-89-006J · Technical service bulletin · Equipment · issued Sep 26, 2023
• The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer…
  23-NA-153 · Technical service bulletin · Engine and Engine Cooling · issued Sep 1, 2023
• This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and pre…
  18-NA-073 · Technical service bulletin · Engine and Engine Cooling · issued Aug 24, 2023
• This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
  17-NA-170 · Technical service bulletin · Wheels · issued Apr 27, 2023
• This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
  19-NA-219 · Technical service bulletin · Engine and Engine Cooling · issued Apr 24, 2023
• This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
  19-NA-219 · Technical service bulletin · Engine and Engine Cooling · issued Mar 23, 2023
• This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
  22-NA-009 · Technical service bulletin · Engine and Engine Cooling · issued Mar 17, 2023
• This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
  17-NA-073 · Technical service bulletin · Equipment · issued Feb 21, 2023
• This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
  01-08-42-001O · Technical service bulletin · Exterior Lighting · issued Feb 15, 2023
• This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P04…
  21-NA-124 · Technical service bulletin · Engine and Engine Cooling · issued Dec 14, 2022
• 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 …
  22-NA-074 · Technical service bulletin · Engine and Engine Cooling · issued Nov 9, 2022
• This service bulletin provides information on Module Harvesting.
  22-NA-205 · Technical service bulletin · Electrical System · issued Oct 19, 2022
• This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
  10-00-89-006I · Technical service bulletin · Equipment · issued Oct 7, 2022
• This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada.
  22-NA-195 · Technical service bulletin · Equipment · issued Sep 28, 2022
• This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
  22-NA-009 · Technical service bulletin · Engine and Engine Cooling · issued Sep 14, 2022
• This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine …
  22-NA-181 · Technical service bulletin · Power Train · issued Sep 1, 2022
• This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen …
  20-NA-065 · Technical service bulletin · Engine and Engine Cooling · issued Aug 15, 2022
• This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
  22-NA-009 · Technical service bulletin · Engine and Engine Cooling · issued Jun 15, 2022
• 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 …
  22-NA-074 · Technical service bulletin · Engine and Engine Cooling · issued Mar 31, 2022
• This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
  22-NA-009 · Technical service bulletin · Engine and Engine Cooling · issued Mar 22, 2022
• This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank…
  16NA383 · Technical service bulletin · Equipment Adaptive/mobility · issued Jan 2, 2020
• This informational bulletin provides additional information on how to install pistons and suggest what tools to use.
  PI1394A · Technical service bulletin · Engine · issued Aug 29, 2016
• This technical bulletin provides a procedure to reprogram the media disc player with the latest calibrations to correct a condition of the rear entertainment system not operating a…
  16NA260 · Technical service bulletin · Equipment · issued Aug 26, 2016
• This informational bulletin provides information to gm dealers on the correct cleaning methods when cleaning engine gasket sealing surfaces.
  000601012F · Technical service bulletin · Engine · issued Aug 2, 2016
• This preliminary information communication advises the technician if unable to place an onstar call in the ignition on mode after the onstar canada upgrade, to contact the gm techn…
  PIT5485B · Technical service bulletin · Electrical System · issued Apr 27, 2016
• This preliminary information communication advises the technician on the steps to diagnose and repair the concern. The vehicle's xm radio only has xm preveiw channels.
  PIC5088F · Technical service bulletin · Equipment · issued Apr 21, 2016
• This preliminary information communication advises the technician on the steps for diagnosing the concern. The vehicle may be unable to connect to onstar using the white, blue or r…
  PIT5389A · Technical service bulletin · Equipment · issued Apr 19, 2016
• This preliminary information communication advises the technician the steps on repairing the concern. A customer may identify a concern of unable to reactivate a vehicle's onstar t…
  PIC5050A · Technical service bulletin · Equipment · issued Apr 19, 2016
• This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery par…
  PIC4935E · Technical service bulletin · Electrical System · issued Apr 19, 2016
• This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery par…
  PIC-4935-E · Technical service bulletin · Electrical System · issued Apr 19, 2016
• This preliminary information communication advises the technician the steps on repairing the concern. A customer may identify a concern of unable to reactivate a vehicle's onstar t…
  PIC-5050-A · Technical service bulletin · Electrical System · issued Apr 19, 2016
• This preliminary information communication advises the technician, if unable to place an onstar call in the ignition on mode after the onstar canada upgrade to contact the gm techn…
  PIT5485A · Technical service bulletin · Electrical System · issued Apr 8, 2016
• OnStar Voice Fallback Number Update
  15-NA-079 · Technical service bulletin · Communication · issued Dec 1, 2015
• OnStar® Voice Fallback Number Update Some customers may have received a letter from OnStar® stating that "We recently tried to provide a software update to the OnStar® hardware in …
  15-NA-079 · Technical service bulletin · Electrical System · issued Dec 1, 2015
• This preliminary information communication provides information to the technician about changing the tire and wheel size on vehicles. General motors will only support a tire calibr…
  PIT3271G · Technical service bulletin · Equipment · issued Jan 15, 2015
• XM Audio Traffic And Travel Link Availability And Operation.
  PIT5353 · Technical service bulletin · Equipment · issued Nov 1, 2014
• Canadian Customers Unable To Place Calls And Turn By Turn Inoperative In The United States.
  PIT5264B · Technical service bulletin · Equipment · issued Nov 1, 2014
• Vehicle Recalls
  Recalls · Technical service bulletin · Equipment · issued Jun 30, 2014
• Programming And Activation Of Replacement OnStar Modules.
  PIC5588B · Technical service bulletin · Equipment · issued Jun 1, 2014
• Information On Requests To Add OnStar Bluetooth Option.
  PIT4864F · Technical service bulletin · Equipment · issued Mar 1, 2014
• Canadian Customers Unable To Place Calls In The United States
  PIT5264 · Technical service bulletin · Equipment · issued Mar 1, 2014
• Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straighten…
  99-08-51-007F · Technical service bulletin · Wheels · issued Feb 1, 2014
• Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straighten…
  99-08-51-007F · Technical service bulletin · Equipment · issued Feb 1, 2014
• Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of …
  PI0281D · Technical service bulletin · Equipment Adaptive/mobility · issued Jan 1, 2014
• Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of …
  PI0281D · Technical service bulletin · Equipment Adaptive/mobility · issued Jan 1, 2014
• Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
  130089009 · Technical service bulletin · Engine and Engine Cooling · issued Sep 1, 2013
• Programming And Activation Of Replacement OnStar Modules.
  PIC5588A · Technical service bulletin · Equipment · issued Oct 1, 2012
• General motors: information provided by bulletin for all 2012 and prior general motor trucks and passenger vehicles regarding the adjustable comfort and custom upholstery of the dr…
  SB-10-08-50-003B · Technical service bulletin · Seats · issued Nov 1, 2011
• Ipc, interior lights and/or headlamps flicker. *ak fb2
  3170E · Technical service bulletin · Interior Lighting · issued Feb 16, 2006
• Fuel tank inlet check valve fracture. *eh
  1363 · Technical service bulletin · Fuel System, Gasoline · issued Mar 14, 2005
• Steering noise when turning. This service bulletin supplements 040232007. *eh
  3280 · Technical service bulletin · Steering · issued Jan 31, 2005
• Misfire at idle cold and possible p0171 and or p0174. *eh
  3232 · Technical service bulletin · Engine and Engine Cooling · issued Jan 28, 2005
• Anti brakes system brake light and or service brake message with diagnostic trouble code c0238. *eh
  3253 · Technical service bulletin · Electrical System · issued Jan 27, 2005
• Only replacement of evaporator core or pipes for rear hvac. (to include 2005 chevrolet trailblazer) *sc
  3104 · Technical service bulletin · Equipment · issued Jan 1, 2004
• Engine coolant leak at intake gasket. * mj
  01225 · Technical service bulletin · Engine and Engine Cooling · issued Jan 1, 2004
• Concerns with understanding the driver information personalization language options. *slc
  200901 · Technical service bulletin · Equipment · issued Sep 20, 2001
• Memory power seat inoperative. *yh
  010850011 · Technical service bulletin · Seats · issued Sep 1, 2001
• Information regarding fan noise. *yh
  300801 · Technical service bulletin · Engine and Engine Cooling · issued Aug 30, 2001
• Information regarding delays in transmission downshifting. *yh
  300801 · Technical service bulletin · Power Train · issued Aug 30, 2001
• Information regarding unresolved dtc p0014, false dtc p0116 and p1683. *yh
  300801 · Technical service bulletin · Electrical System · issued Aug 30, 2001
• Information regarding calibrations available to correct delays in transmission downshifting and complaints of fan noise. *jg
  080801 · Technical service bulletin · Engine and Engine Cooling · issued Aug 8, 2001
• Unable to connect to onstar following a dropped cellular call during an onstar configuration attempt. *tt
  010846005 · Technical service bulletin · Equipment · issued Aug 1, 2001