Jump to content

Welcome to RennTech.org Community, Guest

There are many great features available to you once you register at RennTech.org
You are free to view posts here, but you must log in to reply to existing posts, or to start your own new topic. Like most online communities, there are costs involved to maintain a site like this - so we encourage our members to donate. All donations go to the costs operating and maintaining this site. We prefer that guests take part in our community and we offer a lot in return to those willing to join our corner of the Porsche world. This site is 99 percent member supported (less than 1 percent comes from advertising) - so please consider an annual donation to keep this site running.

Here are some of the features available - once you register at RennTech.org

  • View Classified Ads
  • DIY Tutorials
  • Porsche TSB Listings (limited)
  • VIN Decoder
  • Special Offers
  • OBD II P-Codes
  • Paint Codes
  • Registry
  • Videos System
  • View Reviews
  • and get rid of this welcome message

It takes just a few minutes to register, and it's FREE

Contributing Members also get these additional benefits:
(you become a Contributing Member by donating money to the operation of this site)

  • No ads - advertisements are removed
  • Access the Contributors Only Forum
  • Contributing Members Only Downloads
  • Send attachments with PMs
  • All image/file storage limits are substantially increased for all Contributing Members
  • Option Codes Lookup
  • VIN Option Lookups (limited)

transmission starts in first after reverse and shifts abruptly until w

rpcc
 Share

Recommended Posts

rpcc Member

rpcc

Posted
Posted

Hello -

I back out of my driveway. When I shift to drive the transmission selects "1". It jerks when it shifts from from "1" to "2" and then "3". After it warms up, it seems to start normally in "2" and shifts like butter. Any ideas what's wrong?

Link to comment
Share on other sites
wrinkledpants Member

wrinkledpants

Posted
Posted

Turn key on (but don't start car). Push gas pedal to the floor and hold for at least 10 seconds. Release gas pedal, turn car off, pull key out of ignition. Restart car as normal and see if that does it. The tranny will learn your driving habits, and sometimes it's not always for the better. Depending on the mileage and age of your cayenne, you may be due for a fluid change, too.

Link to comment
Share on other sites
PKN Member

PKN

Posted
Posted

rpcc - where are you situated? cold weather will force a start in first and may also account for jerky shifts while cold. Even here in Florida, my car will start in first if the temp gets below about 55 at night

Steve

Link to comment
Share on other sites
mudman2 Member

mudman2

Posted
Posted

When the engine is cold, 1st gear start program runs to bring the cats rapidly up to temperature for emissions compliance. After the first period, few hundred meters or so it will end and the 2nd gear start program takes over unless overrided by turning off PSM as previously noted.

If the MY is early, 03-05 and PSM OFF does not result in 1st gear start then the Transmission control unit is not updated to the latest flash version

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing
×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.