2026 Chevrolet Blazer TSBs
66 Technical Service Bulletins across 10 categories
Categories
Other
24 bulletinsThis preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements.
Read full bulletin
They should follow the notes mentioned prior to anything being replaced.
This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with...
Read full bulletin
the image processor #2 and how to restore communication
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
Certain vehicles listed above may have a condition in which the oil filter was not adequately tightened.
Read full bulletin
Dealers are to check and tighten the oil filter if found to be loose.
Pi created to provide GM dealers with information on gathering information for projection issue
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical...
Read full bulletin
Assistance Case in CX Connect.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements.
Read full bulletin
They should follow the notes mentioned prior to anything being replaced.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements.
Read full bulletin
They should follow the notes mentioned prior to anything being replaced.
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements.
Read full bulletin
They should follow the notes mentioned prior to anything being replaced.
New Vehicle Monitoring Programs Section in IVH
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera...
Read full bulletin
and dealers to replace the camera.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
Read full bulletin
50 terminal test probe, replacement terminals, and terminated leads.
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
Read full bulletin
50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
Read full bulletin
50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
Read full bulletin
50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
Read full bulletin
50 terminal test probe, replacement terminals, and terminated leads.
Infotainment
10 bulletinsPI created to guide technicians through radio restriction process
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and...
Read full bulletin
how to reset/clear the message.
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary information communicates to dealers a procedure to reset the radio.
PI created to guide technicians through radio restriction process
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and...
Read full bulletin
how to reset/clear the message.
Engine
10 bulletinsThis Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently...
Read full bulletin
investigating.
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently...
Read full bulletin
investigating.
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on...
Read full bulletin
part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications.
Read full bulletin
Engineering is investigating and this PI will be converted to a bulletin when a repair is available.
The document makes technicians aware of a valvetrain tick noise that is created by one or more soft hydraulic valve lash adjusters.
Read full bulletin
The soft lash adjuster concern is due to debris from the valve rocker arm, entering into the lash adjuster. The document instructs the technician to replace all of the lash adjusters and rocker arms in the entire engine if any soft lash adjusters are found.
This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on...
Read full bulletin
part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
The document makes technicians aware of a valvetrain tick noise that is created by one or more soft hydraulic valve lash adjusters.
Read full bulletin
The soft lash adjuster concern is due to debris from the valve rocker arm, entering into the lash adjuster. The document instructs the technician to replace all of the lash adjusters and rocker arms in the entire engine if any soft lash adjusters are found.
This Preliminary Information communication provides information to the technician about vehicles that have had multiple...
Read full bulletin
repair attempts that are being performed on customers vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
This preliminary information PI states to not replace anything at the dealership for this concern and engineering is...
Read full bulletin
investigating.
This preliminary information PI states to not replace anything at the dealership for this concern and engineering is...
Read full bulletin
investigating.
Electrical
9 bulletinsIf a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing...
Read full bulletin
the Image processing module.
This PI explains that the T18, Battery charger drive power distribution control modules are on parts restriction thru...
Read full bulletin
TAC.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
Read full bulletin
DTC'ss
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
Read full bulletin
DTC's
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
Read full bulletin
DTC's
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
Read full bulletin
DTC's
The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
This Preliminary Information communication provides information to the technician about vehicles that have an...
Read full bulletin
intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use...
Read full bulletin
for certain repairs, such as Wiring Harness Repairs.
Pre-Delivery & Maintenance
5 bulletinsThis service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may...
Read full bulletin
not pass California smog inspection or smog inspection in other states.
This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector...
Read full bulletin
Reconnect Labor Code Numbers.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
Read full bulletin
programs.
This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector...
Read full bulletin
Reconnect Labor Code Numbers.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
Read full bulletin
causing multiple customer concerns that do not have other diagnostic methods to identify them.
Fuel System
3 bulletinsThis PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and...
Read full bulletin
advises of warranty direction.
This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State...
Read full bulletin
who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000-mile Emission Select State Component Limited Warranty.
This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for...
Read full bulletin
analysis.
Tires & Wheels
2 bulletinsThis preliminary information communicates information about how to determine if a wheel and tires size change is...
Read full bulletin
available.
This service bulletin provides information on Tire Sidewall Irregularities.
HVAC & Climate
1 bulletinPI to help diagnose A/C concern
Brakes
1 bulletinThis service bulletin provides information for the technicians to use a Customer Concern Verification sheet to...
Read full bulletin
facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
Air Bags & Safety
1 bulletinThis Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.