hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
90,000 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2003 GMC Sierra 2500 drivetrain problems

drivetrain problem

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2003 GMC Sierra 2500 Owner Comments

problem #2

Jun 152008

Sierra 2500

  • 180,000 miles


The contact owns a 2003 GMC Sierra 2500. While driving at any speed, the vehicle stalled, lost power, and the service engine light illuminated. The vehicle was taken to an independent mechanic who was unable to diagnose the failure. The failure recurred. The manufacturer was made aware of the failure and advised the contact to take the vehicle to a local dealer for diagnostic testing. The vehicle was not diagnosed or repaired. The failure mileage was 180,000.

- St Anant, LA, USA

problem #1

Nov 032003

Sierra 2500

  • miles
The contact owns a 2003 GMC Sierra 2500. The contact stated that there was a loss of power while traveling at any speed. The warning light illuminated for loss of power intermittently. The contact had to depress the acceleration pedal to the floorboard to accelerate on more than one occasion but to no avail. The vehicle continued to stall without warning. The vehicle was taken to an authorized dealer more than five times, who was not able to replicate or determine the cause of the failure. The vehicle had also been taken to the dealer for diagnosis but to no avail. The manufacturer was notified of the failure. The approximate failure mileage was not available.

- Readfield , ME, USA

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