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definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
36,931 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 Silverado 2500 transmission problems

transmission problem

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2003 Chevrolet Silverado 2500 Owner Comments

problem #2

May 072005

Silverado 2500 8-cyl

  • Automatic transmission
  • 72,862 miles


The consumer states that 2003 Chevrolet C 2500 was having a message on the instrument panel showing reduced engine power. Then, the engine immediately dropped power. The speed will dramatically slow to around 15 mph. This happened 5 times currently. There have been several near misses as a result of the power reduction. The vehicle has been in the dealership 5 times for the engine power failure. The dealer replaced three times the wiring harness to the throttle position sensor, throttle body, power train control module, throttle actuator, control module, also, the ignition switch was replaced and the engine was still losing power. The manufacturer has been contacted, and the customer service department was very unwilling to help or provide the address to the regional office. The customer service representative was very rude and refused to transfer the call to his supervisor upon request of the consumer.

- Hutchins, TX, USA

problem #1

Feb 212003

Silverado 2500 4WD 8-cyl Diesel

  • Automatic transmission
  • 1,000 miles
The auto transmission decoder has had to be replaced twice in less than 2,000 miles on a 2003 Chevrolet Silverado duramax.

- East Tawas, MI, USA

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