transmission does not shift

1998 BMW 740
120,000 MILES • V8 • RWD • AUTOMATIC
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CHRISL81
  • MEMBER
  • 1 POST
after replacing the battery, the car stopped shifting. I have no check engine lights on only a traction control light. also the transmission shifts in manual mode, but wont in automatic mode.
Jul 7, 2016 at 1:18 PM
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RIVERMIKERAT
  • ASE Certified Mechanic
  • 6,110 POSTS
  • ASE Certified Mechanic
You need to do a scan for soft codes. These will not set the check engine light as they don't signify an emissions-related problem. Check the connectors to the transmission, transmission controller, and the grounds. Also check the fluid levels and connections at the transmission and the cooler.
Jul 13, 2016 at 9:09 AM
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