really awful
Typical Repair Cost:
No data
Average Mileage:
148,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. not sure (1 reports)
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problem #1

Jun 222020

Silverado 2500 LS 6.0L Vortec

  • Automatic transmission
  • 148,000 miles

click to see larger images

reduced engine mode

Driving on the interstate going approximately 70+ miles per hour. The engine light came on and I got the message "Reduced Engine Power", it felt like the truck was completely losing power. I was almost rear-ended when it reduced power! Pulled over into the emergency lane. After the truck sat for about 10 minutes, it worked fine at least to get me home.

Took the truck to the dealership, we replaced the throttle body, gas pedal, sensors, and cleaned grounds, but they couldn't replicate the problem and the problem CONTINUES... unresolved and sporadic.

The truck is now considered unreliable, unsafe, and apparently unfixable since nothing tried/recommended seems to fix it.

The dealership acts like it's the first time they have ever heard of the problem, but it seems like the internet knows all about the "Limp Home Mode" issue.

I would love to join a class action lawsuit.... this is dangerous!

- Michelle L., Lucama, NC, US