Power assist: vacuumRecall 20V-603 · Cadillac and Chevrolet vehicles
General Motors LLC recall 20V-603 covers 14,620 Cadillac and Chevrolet vehicles for a power assist: vacuum problem, reported to NHTSA on October 1, 2020. The manufacturer's latest report (2022 Q3) shows 87% of affected vehicles repaired.
Source: NHTSA recall 20V603000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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.
The risk
A decrease in brake assist can increase the brake pedal effort and distance required to stop the vehicle, increasing the risk of a crash.
The fix
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.
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 repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
87%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA. 20 vehicles were listed as unreachable.