After pulling out from parking lot into roadway, steering wheel locked up (right) and vehicle proceeded uncontrolled into a telephone pole - injuring driver. Driver stage 1 & 2 together with seatbelt pretensioner deployed upon impact. No warning lamps or defect symptoms prior to time of failure. Inspection revealed DTC codes for power steering of U0420:00 (invalid data received from power steering module) and U3000:49 (control module internal malfunction). Scanner evidences power steering position sensor data not being reported. Vehicle VIN indicates that it was included in NHTSA recall 21V455000. Power Steering Component Part Nos: 85103817, 848935231 and 85116776.

- Dallas, TX, USA

Hello, I am a Repair Technician for a General Motors dealership in Reno NV. vehicle in question has no ability to to placed in neutral without the engine running. per GM repair guides the vehicle must either be placed in neutral with engine running or a special tool is needed to placed trans into neutral in to move vehicle. this is a major safety concern as vehicle became engine became disabled and the vehicle could not be moved. steering is locked, parking brake automatically sets and neutral position on gear selector cannot be selected. this happened at our dealership. but i can only imagine this happening to someone on the highway. stuck blocking the road with no ability to move the vehicle to safety. i feel this is extremely dangerous and i am sending an email to General motors technical assistance also.

- Reno, NV, USA

The vehicle was stationary and upon turning it on a message showed up on the display stating to immediately take the vehicle for service and to drive carefully because of a power steering issue. Once the vehicle was placed in reverse to begin to leave the parking spot, it was evident that there was no steering available on the vehicle. It would only move forward and backwards but the steering wheel would not move in any direction at any degree making the vehicle impossible to drive safely or carefully to any location. Attempting to drive the vehicle for service would have caused an accident and ultimately was impossible so we decided to have the vehicle towed. The dealership service department informed us that this was a problem with the system/software and that the vehicle had many more history codes for this issue. After informing us that the update for the steering system was completed, they also said it may not be the fix based on the multiple history codes. The car is still being inspected as they are unable to be sure the cause or that it will not occur again. Records of service can be provided once the vehicle is returned to us and messages of communication with the service department can also be provided upon request.

- Marietta, GA, USA