Control Module
CAUTION:
When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See
COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
NOTE:
This applies to Central Timer Module (CTM) or Integrated Electronic Module (IEM).
Using scan tool, record settings and customer preferences before replacement. After installation, use scan tool to program new module. Follow scan tool directions. For more information, see appropriate BODY CONTROL MODULES article.