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2001 Volvo S40 Transmission has a hard shift after 3000rpm

Tiny
STILTZMF
  • MEMBER
  • 2001 VOLVO S40
Transmission problem
2001 Volvo S40 4 cyl Front Wheel Drive Automatic

I just finished repairing an idling problem by replacing the ECT sensor. The Idle control Valve cleaned and was not the problem. While test driving the car, it all of a sudden shifted very hard, a check engine light came on and an UP arrow became visible blinking. When I got it home the following error codes were present: 700 and 704/705, not sure which of these codes were present. One or the other either way. I have not yet checked the fluid level in the transmission, but the car has not been driven in over 5 months. Any ideas
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Tuesday, March 2nd, 2010 AT 12:20 PM

1 Reply

Tiny
JIS001
  • MECHANIC
  • 3,408 POSTS
The check engine light will have a code to indicate the transmission control module has posted a trouble code since the arrow light is. Now for PO700 codes, those will be transmission fault codes and I can not seem t find info on 704/705 codes. Is it possible for you to have the transmission control module scanned for codes?
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Thursday, March 4th, 2010 AT 1:03 AM

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