2025 Chevrolet Blazer Electrical system Problems
- Complaints
- 11about this part
- Share
- 32%of 34 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 11 complaints about the electrical system of the 2025 Chevrolet Blazer, 32% of the 34 complaints for this model year. 2 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Driving this vehicle in cruise control at around 70-80 mph, on an empty freeway early in the morning. No traffic but suddenly and for no reason the collision prevention system activated causing the steering wheel to turn all the way to the right and locking in place, the brakes activating, and leaving me no control sending me and two passengers in an embankment and the car on its passenger side.”
NHTSA complaint #11772116, filed 2026-10“Telecommunications module failed - no Onstar, no Navigation which means no help to find charging station, and Mychevrolet app remote connection is not functional. Local dealer states this is a known issue but there is a significant backlog to investigate, and no loaner vehicles available. Wide spread issue across many GM vehicles. Very disappointing experience including service repair. Due to lack of loaner i am unable to drop off as this is my primary driven vehicle.”
NHTSA complaint #11709537, filed 2026-01“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 myChevrolet apps, and even core safety and convenience features tied to connectivity, including OnStar and Super Cruise.”
NHTSA complaint #11738977, filed 2026-05“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 this past week. Traffic was horrendous due to a closure of I95 in SC - ALL traffic was forced onto 2 lane country roads. …”
NHTSA complaint #11692015, filed 2025-10“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. …”
NHTSA complaint #11695790, filed 2025-10Related service bulletins
- 11024500May 9, 2025This service bulletin provides information on the Service Safety Restraint Message displayed on the DIC Airbag malfunction indicator illuminated.
- 11019545Apr 24, 2025This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
- 11019017Apr 10, 2025This 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.
- 11017595Apr 3, 2025This 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.
- 11017244Mar 31, 2025The 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…
- 11017247Mar 28, 2025This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
- 11017207Mar 21, 2025This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414…
- 11016948Mar 14, 2025This service bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of…
- 11016946Mar 13, 2025This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925…
- 11017031Mar 12, 2025This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 11 | 32% |
| 2024 | 7 | 13% |
| 2023 | 7 | 16% |
| 2022 | 20 | 37% |
| 2021 | 40 | 28% |
| 2020 | 78 | 35% |
| 2019 | 62 | 33% |
| 2008 | 1 | 20% |
| 2006 | 2 | 11% |
| 2005 | 4 | 27% |
| 2004 | 10 | 20% |
| 2003 | 9 | 12% |
| 2002 | 21 | 9% |
| 2001 | 40 | 12% |
| 2000 | 49 | 8% |
| 1999 | 40 | 9% |
| 1998 | 71 | 10% |
| 1997 | 89 | 12% |
| 1996 | 62 | 5% |
| 1995 | 70 | 6% |
| 1994 | 10 | 2% |
| 1993 | 17 | 3% |
| 1992 | 18 | 6% |
| 1991 | 16 | 7% |
| 1990 | 4 | 13% |
| 1989 | 6 | 16% |
| 1988 | 5 | 13% |
| 1986 | 1 | 5% |
| 1985 | 1 | 3% |
Other parts of the 2025 Chevrolet Blazer
9 complaintsBrakes
7 complaintsForward collision avoidance
7 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsEngine
3 complaintsBody and structure
2 complaintsSuspension
2 complaintsBack-over prevention (rear camera)
1 complaintsExterior lighting
1 complaintsFuel system
1 complaintsLane departure
1 complaintsSteering
1 complaints
← All problems reported for the 2025 Chevrolet Blazer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology