Vehicle recall 20V603000 · October 1, 2020
Cadillac Escalade, GMC Sierra 1500 and 3 more models
The output of the mechanical vacuum pump can decrease over time, decreasing the amount of vacuum/power brake assist.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- General Motors LLC (GM) is recalling certain 2018 Cadillac Escalade, Chevrolet Silverado 1500 and Tahoe, GMC Sierra 1500 and Yukon vehicles equipped with either a 5.3L or 6.2L V8 engine. The output of the mechanical vacuum pump can decrease over time, decreasing the amount of vacuum/power brake assist.
- Consequence
- A decrease in brake assist can increase the brake pedal effort and distance required to stop the vehicle, increasing the risk of a crash.
- Remedy
- GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began November 11, 2020. Owners may contact GM customer service at 1-866-522-9559, Cadillac customer service at 1-800-458-8006 or Chevrolet customer service at 1-800-630-2438. GM's number for this recall is N202300860.
- Notes
- Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Recall details
- NHTSA campaign
- 20V603000
- Reported to NHTSA
- October 1, 2020
- Filed by
- General Motors LLC
- Manufacturer campaign
- N202300860
- Owner notification
- November 11, 2020
- Vehicles potentially affected
- 14,620
- Initiated by
- the manufacturer
- Components
- Service brakes, hydraulic › Power assist › Vacuum
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Cadillac Escalade (2018): 2018
- Chevrolet Silverado 1500 (2018): 2018
- Chevrolet Tahoe (2018): 2018
- GMC Sierra 1500 (2018): 2018
- GMC Yukon (2018): 2018
Has your Cadillac been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Cadillac dealer can also check your VIN. Recall repairs are free.