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Cadillac output of the mechanical vacuum pump can decrease over time, decreasing the amount of vacuum/power brake assist.

NHTSA campaign 20V-603 · Reported October 1, 2020 · 14,620 vehicles affected

AFFECTED MODELS
Cadillac Escalade, Silverado, Tahoe, Sierra and Yukon
VEHICLES AFFECTED
14,620
REMEDY
GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge.
COST
Free

The short version

General Motors LLC reported a problem with the power assist vacuum. Here is what owners need to know.

WHAT

The output of the mechanical vacuum pump can decrease over time, decreasing the amount of vacuum/power brake assist.

WHY IT MATTERS

A decrease in brake assist can increase the brake pedal effort and distance required to stop the vehicle, increasing the risk of a crash.

WHAT TO DO

GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 20V-603.

YEAR RANGEMODEL
2018Cadillac Escalade
2018Chevrolet Silverado
2018Chevrolet Tahoe
2018GMC Sierra
2018GMC Yukon

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

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What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with General Motors LLC or the National Highway Traffic Safety Administration.