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Electrical systemPart report

2006 Chevrolet Express 2500 Electrical system Problems

Complaints
2about this part
Share
15%of 13 total for the year
Median mileage
43,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the electrical system of the 2006 Chevrolet Express 2500, 15% of the 13 complaints for this model year. Where a mileage was given, the median is 43,500 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.

“Make: Chevrolet model year: 2006 manufacturer: general motors llc report receipt date: may 14, 2014 NHTSA campaign id number: 14v251000 NHTSA action number: ea13007 component: exterior lighting:headlights tthe underhood bussed electrical center (ubec) housing can expand and cause the headlamp low beam relay control circuit wire to bend. If the wire is repeatedly bent, it may fracture causing a loss of low beam headlamp illumination. …”

NHTSA complaint #10860004, filed 2016-04, 37,000 miles

“The contact owns a 2006 Chevrolet express g2500. While driving approximately 65 MPH the engine began to rev. The vehicle was taken to an independent mechanic, and the throttle body position sensor was replaced. After the repair, the vehicles road performance was poor. The vehicle was taken to an authorized dealer, and the iac valve connector was replaced. The failure mileage was 50,000. The current mileage was 52,000. Updated 12/08/09. The consumer stated the high idle problem was hard to diagnose. Te dealer discovered a burnt wire. Updated 12/10/09”

NHTSA complaint #10291647, filed 2009-11, 50,000 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2008114%
2007114%
2006215%
2004113%

Other parts of the 2006 Chevrolet Express 2500

Steering
3 complaints
Tires
3 complaints
Exterior lighting
2 complaints
Wheels
2 complaints
Brakes
1 complaints
Engine
1 complaints
Seat belts
1 complaints
Suspension
1 complaints
Vehicle speed control
1 complaints

← All problems reported for the 2006 Chevrolet Express 2500

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