2002 GMC Sonoma used buying checklist

Test for the problems owners report most

The most reported problems of this model year, with what to look for on the test drive.

• ABS light or ABS activating11 owner complaints, usually around 35,548 miles

  Brake firmly from moderate speed: the pedal should feel firm and the car should stop straight, with no grinding or pulsing.

• Check engine light5 owner complaints, usually around 49,300 miles

  Start the engine cold and listen for knocking or ticking. Check for warning lights, oil leaks and a low oil level, and ask how often oil had to be topped up.

• Doors won't lock, open or latch5 owner complaints

  Test every door handle, lock and latch from inside and outside, including the trunk or tailgate.

Make sure these recalls were done

Recall repairs are free at any dealer of the brand. Ask the seller for proof, or have a dealer check the VIN.

No recalls on record for this model year.

Service bulletins worth asking about

Repair instructions the maker sent to dealers for known problems. Ask whether any of these repairs were done.

• Electrical systemOct 25, 2024
• Vehicle Wide Programming (VWP) is a new process to update software on GM VehiclesAug 26, 2024
• This service bulletin provides information for dealers/technicians on Service Programming System (SPS)...Jun 6, 2024
• This bulletin provides information for electrical ground repairs using new General Motors replacement...Mar 28, 2024
• Structure: body: tailgateMay 9, 2023
• This service bulletin provides information on Module Harvesting.Oct 19, 2022

Before you pay

• Decode the VIN and make sure it matches the title, the registration and the car itself.
• Get a vehicle history report to check for accidents, salvage or flood titles and odometer problems.
• Ask for service records, especially oil changes and any transmission fluid service.
• Start the car from cold, and drive it at city and highway speeds for at least 20 minutes.
• Have an independent mechanic inspect the car before you sign anything.