Pitstop - electronic stability control self-check noise

Bulletin number

PS546

Component

Back over prevention

Summary

PITSTOP - ELECTRONIC STABILITY CONTROL SELF-CHECK NOISE - This Pitstop provides information regarding a concern related to a single faint ?thud? type noise heard from the engine compartment at speeds of 18-20 MPH after initial start-up. Be aware that the Electronic Stability Control (ESC) system performs it?s self-check under these conditions. This single faint ?thud? type noise is normal and indicates that the ESC is functioning properly.

Owners of these vehicles have filed 5 complaints in the driver assistance category.