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2008 GMC Sierra 1500 electrical problems

31 complaints (8% of all complaints for this car). Typical mileage when it fails: 57,880.

owner complaints
31
of this car's complaints
8%
typical mileage
57,880
crashes
0
recalls
0

Which part fails

  • Instrument panel: speedometer/odometer
    1
  • Instrument cluster/panel
    1

At what mileage

Complaints by mileage at the time of the problem.

0k-25k
25k-50k
50k-75k
75k-100k
100k-125k
125k-150k
150k-175k
175k-200k
200k+

GMC Sierra 1500 electrical problems in other years

1996200020052010201520202026

Specific symptoms reported on the 2008 GMC Sierra 1500 electrical

Phrases found in the owners' own descriptions, so one complaint can mention several symptoms.

Fire or smoke 5

Related recalls

No recalls on record for this model year.

Related investigations

Non-crash engine compartment firesOpened June 12, 2008, closed September 8, 2008

In a letter dated august 27, 2008, general motors corp. (gm) notified the federal safety agency that it will conduct a safety recall (the federal safety agency recall number 08v‑441) to address a safety relateddefect that can result in engine compartment fire in approximately 850,000 vehicles equipped with a heated windshield washer fluid option.the subject vehicles of this investigation comprise over three-quarters of the recall population. According to gm, a short circuit on the printed circuit board for the windshield washer fluid heater module may overheat the control-circuit ground wire. This may cause other electrical features to malfunction, create an odor or cause smoke and in rare cases it may cause a fire.as a remedy, gm dealers will install a wire harness with an in-line fuse. In addition to the subject vehicles, several other gm models with the heated windshield washer fluid option are included in recall 08v‑441: my 2006-2008 buick lucerne (manufactured august 2005 through november 2007); my 2008 buick enclave (manufactured february 2007 through april 2007); my 2006-2008 cadillac dts (manufactured may 2007 through november 2007); my 2007-2008 saturn outlook (manufactured august 2006 through april 2007); and my 2007-2008 gmc acadia (manufactured august 2006 through april 2007) vehicles.gm is instructing owners to take their vehicle to a dealer for service if they experience symptoms of windshield washer heater module short circuits. Gm's recall resolves the safety defect concerns pursued by this investigation.this engineering analysis is closed.

EA08010

Non-crash engine compartment firesOpened February 4, 2008, closed June 12, 2008

In response to an information request letter sent by the office of defects investigation(odi) during preliminary evaluation pe08-010, gm provided odi with 41 allegations of non-crash engine compartment fires including 16 allegations of fires originating with the ignition in the off position.one of the fires was determined to be caused by an arson event.odi has also received 5 reports, 4 of which are of duplicative of reports provided by gm, alleging non-crash engine compartment fires in the subject vehicles.in total, odi is aware of 41 non-crashengine compartment fires in the subject vehicles that are unrelated to arson.eight of the 41 fire allegations also allege property damage as a result of the fires.this preliminary evaluation has been upgraded to an engineering analysis (ea08-010) to further assess the scope, frequency, origin and cause of the alleged non-crash related engine compartment fires in the subject vehicles.

PE08010

What 2008 GMC Sierra 1500 owners say

Most recent owner complaints, unedited.

Filed Aug 25, 2025 · Electrical · 250,205 miles · OK

Odometer Fraud. The contact purchased a 2008 GMC Sierra 1500. The contact discovered a mileage discrepancy after the purchase. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 126,498. It was later discovered that the mileage on the title was approximately 250,205.

Filed Jan 19, 2021 · Electrical · 131,000 miles · NC · fire

Tl* the contact owns a 2008 gmc sierra 1500. The contact stated that there had been a burning odor emitting from within the cabin of the vehicle. Then suddenly the heating system failed without warning. The contact took the vehicle to a certified mechanic who stated that the heater wires that had a connector that had burned the wires on both ends of the connector. The relay or the boil motor had to be replaced. The contact spoke with the dealer (moore buick gmc 2445 n marine blvd, jacksonville, nc 28546, (910) 455-1414) who repaired the vehicle by replacing the two wires. The manufacturer was not made aware of the failure. The approximate failure mileage was 131,000.

Filed Nov 23, 2020 · Airbags, Electrical · 170,000 miles · CO

Service air bag warning light and icon are showing on the instrument cluster. The warning comes on every time I start the vehicle.

Filed Sep 13, 2018 · Electrical · 41,150 miles · TX

Power door locks work intermittantly. This poses a saftey concerne as the locks sometimes will not auto lock when put in gear

Filed Feb 6, 2018 · Airbags, Electrical · 120,000 miles · VT

Tl* the contact owns a 2008 gmc sierra 1500. The contact stated that the air bag sensors in the vehicle were corroded. The air bag indicator illuminated before and after the failure. The dealer and manufacturer were not notified of the failure. The vehicle was not repaired. The VIN was not provided. The approximate failure mileage was 120,000.

Filed Nov 21, 2017 · Electrical · 118,000 miles · NC · fire

Tl* the contact owned a 2008 gmc sierra 1500. While driving 55 MPH, smoke emerged from the vents on the passenger side of the vehicle. The vehicle was pulled over to a shoulder lane where the passenger side began to catch fire. The contact stated that wires were visible prior to the fire. The fire department extinguished the fire. No injuries were sustained. The vehicle was towed to the contact's residence and the insurance company deemed the vehicle destroyed. The cause of the failure was not determined. The VIN was included in the federal safety agency campaign number: 16v383000 (air bags). The local dealer was not contacted. The manufacturer was notified and opened a case for the contact. The failure mileage was approximately 118,000.

Filed Oct 28, 2017 · Airbags, Electrical · 37,000 miles · VA

Radio plays some days and than sometimes it plays normal, backup saftey beeps you cannot hear it, buzzard for keys left in the ignition, you cannot hear it. The was stationary

Filed Mar 8, 2017 · Electrical, Engine · 105,000 miles · NJ

Low oil pressure light came on due to excessive oil consumption while driving. Engine burned 5 quarts of oil in under 3000 miles. 105k miles on 5.3 liter v8. Dealer said typical for this engine to have carbon buildup and needs new piston rings and pistons. Also driver side door lock actuator replaced and window switches.

Filed Feb 4, 2017 · Electrical · 21,000 miles · LA

All four power door lock actuators have failed. First three failed before reaching 30000 miles. Dealer advised they were not covered under warranty. I argued with them, by the time my truck had 50000 miles all four had failed and was told that the warranty expired at 36000 miles. This is a safety hazard and gm refuses to acknowledge the millions of vehicles affected by this issue. Gm wants $300 per door to repair. I shouldn't have to pay them $1200 for something I paid for with the price of the truck.

Filed Jan 21, 2017 · Airbags, Electrical · TX

A light flickers on occasion that looks like a airbag warning. It does not stay on long or often.

Questions about the 2008 GMC Sierra 1500 electrical

Does the 2008 GMC Sierra 1500 have electrical problems?

Owners have filed 31 complaints about the electrical of the 2008 GMC Sierra 1500, 8% of all its complaints.

At what mileage do 2008 GMC Sierra 1500 electrical problems start?

The typical (median) mileage in owner complaints is 57,880 miles.

Was there a recall on the 2008 GMC Sierra 1500 electrical?

There is no recall for this problem on this model year.

What year does the GMC Sierra 1500 have the most electrical problems?

The GMC Sierra 1500 model years with the most electrical complaints are 2014 (129 complaints), 2015 (96 complaints) and 2019 (95 complaints).

Other 2008 GMC Sierra 1500 problems

Airbags 243Body 25Locks 23Engine 20Seat belts 13Brakes 10Tires 7Transmission 6Fuel system 5Acceleration 3Suspension 3Visibility 3Driver assistance 2Lights 2Steering 1Wheels 1

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