2026 Chevrolet Blazer EV technical service bulletins
123 technical service bulletins and manufacturer communications cover the 2026 Chevrolet Blazer EV.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
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- If a vehicle has an when attempting to perform a vehicle dynamic sensor learn, the scan tool may display a...
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a...
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- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
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- • Improvements to active cabin ventilation • Additional protection for the health of your battery •...
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- This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and...
- • Improvements to system responsiveness • Improvements to camera image clarity • Fixes to prevent blank...
- This PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before...
- •Be sure to install this update to be able to receive future software updates.
- PI to help diagnose A/C concern
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- • Fixes to help prevent loss of functionality for connectivity features such as OnStar, Wi-Fi, Navigation,...
- This PI explains that the T18, Battery charger drive power distribution control modules are on parts...
- • Fixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features
- Condition in which the Telematic Control Module may enter an unrecoverable state
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- • Improvements to the infotainment system from Android update
- Pi created to provide GM dealers with information on gathering information for projection issue
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- • Fixes to help ensure successful vehicle software updates.
- Condition in which the Telematic Control Module may enter an unrecoverable state
- • Fixes to help ensure proper functionality for heating and cooling features
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- A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar...
- Been sold with a GM NACS Level 2 EV charging adapter (NACS to J1772) in which a quality issue was identified
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- • Improvements to the performance of Automatic Emergency Braking and Adaptive Cruise Control braking
- This P/I is advising that the TCM should not be replaced for DTC P16F4 and to follow the repair instructions.
- This P/I is advising that the TCM should not be replaced for DTC P16F4 and to request FSE assistance for a...
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- This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered...
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- • Improvements to battery health diagnostics
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- (There may be future updates under this same release number.) This software update includes the following,...
- This software update includes the following, if your vehicle is equipped: • Improvements to battery health...
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- The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
- This information provides software update information for the K73 Telematics module to correct the...
- New Vehicle Monitoring Programs Section in IVH
- This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and...
- Diagnostic Guidance for U3000-97 Long Range Radar Blocked
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- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
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- This service bulletin provides information on Tire Sidewall Irregularities.
- This service bulletin provides information for the technicians to use a Customer Concern Verification...
- This warranty administration bulletin provides information for dealers/technicians on System Reset and...
- This warranty administration bulletin provides policy information for GM courtesy transportation and...
- This service bulletin provides information on the proper Reflective High Temperature Heat and/or...
- The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential...
- This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be...
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