This service bulletin provides information on the Service Safety Restraint Message displayed on the DIC Airbag malfunction indicator illuminated.
full bulletin at NHTSA ↗2025 Chevrolet Blazer electrical problems
moderate 7 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
full bulletin at NHTSA ↗This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
full bulletin at NHTSA ↗This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
full bulletin at NHTSA ↗The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 6 most recent
Telematics control module failure
Published date: 09/6/2024 Preliminary Information PIT6231 Poor Sound Quality On A Phone Call GM Dealers are not recognizing this service bulletin to remedy the microphone issue. This is a life safety issue and a formal recall notice should be issued. Reason if the driver or passenger is injured in the vehicle the same microphone is used to communicate with the SOS and On start. when some one is…
The infotainment system of a brand new 2025 Blazer EV is doing blackouts, flickers, and changing commands and requests. While this may sound trivial - and if this system just did the radio - I would agree. However it controls most all the sub-systems of the car from Charging, to Display, to GPS, Environmental, etc. While at home it is just annoying and frustrating - we traveled to VA from FL…
Complete and total failure of the telematics module resulting in loss of self driving, onstar, WiFi, gps, and all connected services. Severe battery drain due to module forcing the vehicle to completely shut down while driving, resulting in loss of power steering and brakes.
The Telematics Module failed and is on backorder. This is a known issue across the U.S. This makes it so OnStar doesn't work and I am paying for it. Not just that the safety concern of it not working. GPS, Maps, Level 3 Tesla doesn't work. Car is really not usable as we can't charge on a level 3 when going over 100 miles. We have loss access to navigation, Google Built-In services, the…
On two separate occasions the vehicle lost all power while driving. On December 5, 2025 turning on to a main road from parking lot the vehicle shut off with no prior warning lights. Shifted vehicle to park. No power to anything, unable to unlock doors, unable to turn on hazard flashers, stuck in the middle of the road at night. Waited a minute and pressed the start button and vehicle started…
Common questions
How serious is the electrical problem on the 2025 Chevrolet Blazer?
It's a documented issue but not catastrophic. 7 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.