Flash: Powertrain Diagnostic And System Enhancements
This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest
available software.
A small number of customers may experience a slight, audible, spark knock at times. This
typically occurs in stop and go traffic during light tip-in acceleration with the AC off. No
Diagnostic Trouble Codes (DTCs) will set as a result of this condition.
