One problem related to power steering failed has been reported for the 2003 GMC Envoy. The most recently reported issues are listed below.
The contact owns a 2003 GMC Envoy. The contact stated that while reversing from a driveway, the power steering assist failed as the service engine light illuminated. The steering wheel also became hard to turn. The failure was recurring over a four month period. The vehicle was taken to the dealer, who made unknown repairs to the vehicle but the failure recurred. The manufacturer was not notified of the failure. The approximate failure mileage was 129345.