NHTSA Complaint #11452294 — 2015 CHEVROLET SILVERADO 1500

The contact owns a 2015 Chevrolet Silverado 1500. The contact stated the Electric Power Steering Assist module was updated under NHTSA Campaign Number: 18V586000 (Steering) however, while driving 55 MPH two years later, the warning message “Service Power Steering” illuminated. The contact continued to drive the vehicle. The contact stated that the failure had been reoccurring and the vehicle would lose power steering while parked. The contact stated that the stability tract control warning light and the 4-wheel drive warning light illuminated intermittently. The vehicle was taken to the dealer where it was diagnosed that the battery needed to be replaced. The vehicle was repaired; however, the failure persisted. The vehicle was taken back to the dealer where it was diagnosed that the wiring harness lid needed to be cleaned and the dialectic grease needed to be applied inside the connectors. The contact stated that the vehicle was repaired; however, the failure reoccurred while driving. Additionally, the dealer diagnosed that the transmission control module needed to be replaced. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 45,000.