[Palf70Step]

found this on line
All-new Tahoe and Yukon are launched. Side-impact airbags are standard for driver and front passenger, OnStar communications system optional, automatic headlamp control standard, Power-operated sunroof optional for first time, new uplevel 9-speaker audio system with rear mounted subwoofer, Driver Message Center, new PassLock II theft-deterrent system, Autoride Suspension system optional on Tahoe LT and Yukon SLT, all-new independent SLA front suspension with torsion bars and all-new five-link rear suspension with coil spring

The GMT400 Tahoe was carried over into the 2000 model year as two "Limited Edition" models: the 4X2 Limited, and the 4X4 Z/71. Both models were discontinued after the 2000 model year. The GMC Yukon Denali was redesigned for the 2001 model year, and the Cadillac Escalade was redesigned in 2002 (there was no Escalade for the 2001 model year).