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Electrical systemPart report

2001 Chevrolet Trailblazer Electrical system Problems

Complaints
2about this part
Share
10%of 20 total for the year
Median mileage
148,937miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the electrical system of the 2001 Chevrolet Trailblazer, 10% of the 20 complaints for this model year. Where a mileage was given, the median is 148,937 miles.

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.

“Tl- the contact owns a 2001 Chevrolet Trailblazer. The contact was driving 50 MPH when the ABS warning and check engine light illuminated intermittently. The contact also stated that when driving over a road bump, the headlights would illuminate on and off. The vehicle was taken the dealer, but the manufacturer was not contacted. The vehicle was not repaired. The VIN was unavailable. The failure mileage was 148,937 and the current mileage was 149,854. Kmj consumer is have multiple problems with car. En kay automovite group has car aind will not give it back. Updated 11/10/2011”

NHTSA complaint #10427247, filed 2011-09, 148,937 miles

“While driving ABS light came on. When applying brakes pedal went to the floor. Dealer contacted. The vehicle had gone through five red lights, intersections, and stop signs with no brakes and was unable to stop. Other problems were: the tires were out of round(all 4), there were no brake or tail lights, the engine surged, the speedometer fluctuated, there was a smoke and or smoky odor, the electronic brake control failed, the vehicle did not start, the brakes would lock when the vehicle was backed, and the battery died.”

NHTSA complaint #8004866, filed 2002-03

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2026433%
20251454%
20241131%
20231723%
20223128%
20214121%
2009933%
20086534%
200720027%
200625123%
200561742%
200462758%
200328532%
200218116%
2001210%
200014%

Other parts of the 2001 Chevrolet Trailblazer

Engine cooling
5 complaintsTransmission and drivetrain
5 complaintsBrakes
4 complaintsExterior lighting
3 complaintsBody and structure
3 complaintsAir bags
2 complaintsOther or unknown
2 complaintsEquipment
1 complaintsTires
1 complaints

← All problems reported for the 2001 Chevrolet Trailblazer

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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