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fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
9,250 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 Chevrolet Avalanche drivetrain problems

drivetrain problem

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2003 Chevrolet Avalanche Owner Comments

problem #4

Sep 012004

Avalanche 4WD 8-cyl

  • Automatic transmission
  • 15,000 miles


Service 4WD comes on and truck reverts to 2wd, dealer has reprogrammed a few times unable to correct. When traveling down icy roads with no notice.

- North Pole, AK, USA

problem #3

Oct 212003

Avalanche 8-cyl

  • Automatic transmission
  • 22,000 miles
2003 Chevrolet Avalanche, driving down road service 4 wheel drive light comes on and vehicle is locked in all wheel drive, or 4 wheel drive.light has come on 6 times, dealer has inspected several times, and cannot duplicate the correction has been made so far.

- Standish, MI, USA

problem #2

Feb 072004

Avalanche 4WD 8-cyl

  • Automatic transmission
  • miles
A warning light stating "service 4WD now" appeared on my dash of my 2003. Chevrolet Avalanche. According to the owner's manaul, this indicates that there is a problem with the 4-wheel drive of my vehicle. Upon inspection at the local Chevrolet dealership, I was informed that there is a bulletin from GM stating not to do any repairs for this concern. My vehicle is now stuck in 2wd and GM does not know if or when they will be able to remedy this defect.

- Fredericksburg, VA, USA

problem #1

Feb 062004

(reported on)


  • miles
While traveling error code light for 4-wheel drive came on.

- White Hall, MD, USA

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