MY CRUISE CONTROL WILL NOT ENGAGE ONSTAR ...

  • Tiny
  • CaddyCTS
  • 2005 Cadillac CTS
  • 124,000 miles

My Cruise control will NOT engage, On-Star indicated a Fault code of P0564.
What does this code mean, and what could be the cause?

Thursday, November 8th, 2012 AT 7:28 PM

1 Answer

  • Tiny
  • Docfixit
  • Expert
  • 18,991 posts

Most common cause is faulty Mluti-function switch. Would need a scanner to run diagnostics. Try having code erased see if it resets

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Friday, November 9th, 2012 AT 3:23 PM

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