FSM (pg 1476) says if sliding roof doesn't open check suspect areas:
1. POWER Fuse (Driver Side J/B)
2. Power MAIN Relay (Driver Side J/B)
3. Sliding Roof Control Switch with Relay
4. Sliding Roof Motor
5. Wire Harness
Luck and enjoy the runner.
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2001 Limited 4WD - 346+K - SunfireRed\Thunder Cloud; - 265/75/16 Michelin A/T2s - Fat Pat's 1.5" BL - StopTech ANGLED rotors - In series 699 trans cooler, New Yota1 transmission, All new OEM suspension front to rear.