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2009 CTS Black\Ebony PDQ\FE3
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164 Posts
Discussion Starter #1
What is the official idle relearn process for a 2009 cts? Is it the same as the Gen1 cts, that is all I can seem to find searching.
 

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Formerly owned: 1992, 93, 94, 99, 02, 06, 08, 11.
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337 Posts
Do you mean recalibrate the electronic throttle control? If so, here are the instructions in the '09 Owners Manual, Page 5-47:

After a power loss, such as disconnecting the battery or
removing the maxi fuses in the power distribution fuse
block, the following steps must be performed to calibrate
the electronic throttle control. If this is not done, the
engine will not run properly.

1. Turn the ignition to ON/RUN. Do not start the
engine.
2. Leave the ignition in ON/RUN for at least
three minutes so that the electronic throttle
control will cycle and re-learn its home position.
3. Turn the ignition to LOCK/OFF.
4. Start and run the engine for at least 30 seconds.
 
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