Chevrolet Blazer Electrical System Problems

Source: NHTSA · Updated Oct 13, 2026 · 686 complaints analyzed

Owners have filed 686 complaints with NHTSA about electrical system problems on the Chevrolet Blazer across 20 model years. The 1997 model year has the most (89). The words owners use most often: “shift park” (8% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Shift park: mentioned in 52 of 686 complaints (8%)
  • Steering assist: mentioned in 40 of 686 complaints (6%)

How much does it cost to fix?

Owners who wrote down what they paid or were quoted put the typical electrical system repair on the Chevrolet Blazer at $750, and half of them between $660 and $980.

Based on 20 NHTSA complaints about this problem alone that state a repair bill or quote (2001–2026), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.

At what mileage do electrical system problems happen?

Based on 204 complaints that reported the odometer reading.

Under 10k miles13 · 6%
10k–25k miles18 · 9%
25k–50k miles31 · 15%
50k–75k miles42 · 21%
75k–100k miles39 · 19%
100k–150k miles39 · 19%
150k+ miles22 · 11%

How serious are the reports?

Of 686 complaints, 15 mention a crash, 69 a fire, 14 an injury.

Chevrolet Blazer electrical system complaints by model year

Peak: 1997, with 89 complaints
1995: 701995701996: 62621997: 891997891998: 71711999: 401999402000: 49492001: 402001402002: 21212003: 9200392004: 10102005: 4200542006: 222008: 1200812019: 60602020: 762020762021: 39392022: 192022192023: 772024: 7202472025: 1010

n = 686 complaints · Source: NHTSA

Model yearElectrical System complaintsShare of that yearMedian miles
2025 Blazer1030%—
2024 Blazer714%22,000
2023 Blazer716%57,705
2022 Blazer1936%47,500
2021 Blazer3928%38,000
2020 Blazer7634%38,000
2019 Blazer6032%33,000
2008 Blazer120%115,000
2006 Blazer211%114,282
2005 Blazer427%75,000
2004 Blazer1020%24,000
2003 Blazer912%48,774
2002 Blazer219%36,064
2001 Blazer4012%60,000
2000 Blazer498%89,366
1999 Blazer409%89,000
1998 Blazer7110%71,000
1997 Blazer8912%87,700
1996 Blazer625%104,000
1995 Blazer706%161,228

When owners reported it

Peak: 2025, with 80 complaints
1995: 1119951996: 121997: 81998: 2119981999: 372000: 452001: 3720012002: 372003: 562004: 4720042005: 242006: 212007: 1620072008: 172009: 102010: 1020102011: 52012: 52013: 220132014: 142015: 82016: 820162017: 52018: 22019: 520192020: 32021: 102022: 1520222023: 212024: 312025: 802025802026: 63

n = 686 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists electrical system for the Chevrolet Blazer. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

Driver's side floorboard floods during rain, dripping water under the dashboard directly onto the accelerator and brake pedal. Trapping water and trapped moisture has caused severe mold buildup throughout the interior, creating respiratory hazards and window fogging. This matches GM Technical…

Received Oct 12, 2026 · NHTSA complaint 11770496

I had no warning or indication whatsoever that my battery was going bad. I was at a major red light and my car shut down, then started back on its on with the entire panel lite up. The light changed and when I tried to turn I had hardly any stirring and almost no brakes. I almost ran into the car…

Received Oct 12, 2026 · NHTSA complaint 11770523

Headlights Daytime running lights only 50% ? no back up lights no Brites, windshield wash not working then on going 6 dealer trips 9 days in shop for info screen / GPS,Radio&Phone

Received Oct 11, 2026 · NHTSA complaint 11770456

The contact owns a 2022 Chevrolet Blazer. The contact stated that upon coming to a complete stop, the vehicle shut off. After several attempts, the vehicle was restarted, and the contact continued to drive. The vehicle was taken to an independent mechanic, where it was diagnosed, and the contact…

Received Oct 9, 2026 · NHTSA complaint 11770221

Was driving on highway and parking break light flashed on - break was not on. Tried to turn off and couldn't - car still driving. Then all these alerts started coming up "break failure", "no AWD" "Break failure cannot accelerate past certain speed". I tried to pull over the stop the car and no…

Received Oct 6, 2026 · NHTSA complaint 11769285

Frequently asked questions

Do all Chevrolet Blazers have electrical system problems?

No. NHTSA has 686 owner complaints about electrical system for the Chevrolet Blazer. Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the Chevrolet Blazer electrical system?

No recall currently lists electrical system for this vehicle.

How much does it cost to fix electrical system problems on the Chevrolet Blazer?

Owners report a typical cost of $750 (half paid between $660 and $980), from 20 complaints that state a repair bill or quote, in 2026 dollars.

What do owners say about electrical system problems on the Chevrolet Blazer?

The most frequent phrase is “shift park”, in 52 of 686 complaints, followed by “steering assist” (40).

Other Chevrolet Blazer problems

See all Chevrolet Blazer problems.