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Electrical systemPart report

2002 GMC Sierra Electrical system Problems

Complaints
6about this part
Share
2%of 249 total for the year
Median mileage
64,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 6 complaints about the electrical system of the 2002 GMC Sierra, 2% of the 249 complaints for this model year. Where a mileage was given, the median is 64,000 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.

“Folks; what is the story with tin whiskers forming in soldered electrical components? Does my Gmc have lead free solder anywhere in it's electrically soldered components? I've have multiple failed electrical systems which implies multiple shorts. What makes, models and years are this problem known to have occurred in besides the toyota camry 2003? What are you doing to fix this problem?”

NHTSA complaint #10633832, filed 2014-09, 128,000 miles

“The contact owns a 2002 Gmc Sierra 1500. The contact stated that the instrumental panel components failed. The dealer advised the contact that the instrument panel cluster failed and would need to be replaced. The vehicle was not repaired. The failure and the current mileage was 64,000. Updated 02/14/12 updated 02/17/12”

NHTSA complaint #10444054, filed 2012-01, 64,000 miles

“2002 Gmc Sierra anti lock brakes engaged when consumer attempted to stop. On another occasion the anti lock brakes would not allow the vehicle to stop. The service department informed the consumer that the vehicles hub on the drivers side needed replaced. There was no light indication. Rust would get under the sensors and lift them.”

NHTSA complaint #10124681, filed 2005-05

“The vehicle surged, the remote starter interfered with the fault sensor which caused the engine light to illuminate. The vehicle lost power while driving, and stalled, the fuel pump was replaced, however the problems continued. . The transmission changed between gears, and the dealer changed the PCM. The problem was discovered to be incorrect wiring which was routed wrong within the ignition which caused the problems.”

NHTSA complaint #10011631, filed 2003-04

“Dt: the contact owns a 2002 Gmc Sierra. The contact was having a problem with the positive terminals on the batteries that are made by AC delco, these terminals corroded from the inside, causing them to fall off. The problem happened on october 10, 2005. The battery had been in the vehicle ever since date of purchase. The manufacturer of the vehicle as well as the manufacturer of the battery neither of them wanted to take responsibility for the problem. …”

NHTSA complaint #10140023, filed 2005-10

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2017610%
2016233%
201512%
201499%
2013513%
2012724%
201137%
2010412%
2009924%
20081522%
2007712%
2006713%
20052320%
20043921%
20033115%
200262%
2001135%
2000123%
1999122%
199895%
1997125%
199652%
199542%
199442%
199357%
199213%
199016%
1989213%

Other parts of the 2002 GMC Sierra

Brakes
145 complaints
Engine cooling
22 complaints
Transmission and drivetrain
18 complaints
Body and structure
17 complaints
Steering
12 complaints
Suspension
12 complaints
Tires
10 complaints
Visibility (wipers, defrost, mirrors)
6 complaints
Other or unknown
4 complaints
Seat belts
4 complaints
Vehicle speed control
4 complaints
Air bags
3 complaints

← All problems reported for the 2002 GMC Sierra

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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