My Auto trans is making a sudden shifting problem

Tiny
CFRMAN
  • MEMBER
  • 2005 VOLKSWAGEN JETTA
  • 94,000 MILES
I got in my 2005 Jetta and it started shifting hard almost like it wanted to kill the engine it is sudden is there a senser going out or what could cause this I am not going to drive till I figure it out as do not want to hurt transmission
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Thursday, March 22nd, 2012 AT 5:37 PM

9 Replies

Tiny
SATURNTECH9
  • EXPERT
Any codes in the computer?A hard shift usually means there is too much pressure. We need to check for codes and also perform a transmission pressure test.
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Thursday, March 22nd, 2012 AT 5:48 PM
Tiny
CFRMAN
  • MEMBER
00300 & 16502
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Friday, March 23rd, 2012 AT 1:26 AM
Tiny
SATURNTECH9
  • EXPERT
If those are supposed to be codes there is a letter followed by a four digit number.I dont see that with ethier code.
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Friday, March 23rd, 2012 AT 4:02 AM
Tiny
EXOVCDS
  • MEMBER
The 300 is fluid temp sensor related. Are you sure about the second set of numbers?
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Friday, March 23rd, 2012 AT 4:27 AM
Tiny
EXOVCDS
  • MEMBER
16502 comes up as coolant temp sensor signal too high. Just making sure.

Both from the TCM?
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Friday, March 23rd, 2012 AT 4:35 AM
Tiny
SATURNTECH9
  • EXPERT
I will check it out but OBD2 codes start with a Letter followed by a four digit number.
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Friday, March 23rd, 2012 AT 5:05 AM
Tiny
SATURNTECH9
  • EXPERT
Which model jetta do you have?GLI etc?Also what size engine?
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Friday, March 23rd, 2012 AT 11:37 PM
Tiny
CFRMAN
  • MEMBER
I towed it over to Kona to a specialest but thank you for your help it was a TDI GLS
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Saturday, March 24th, 2012 AT 2:01 AM
Tiny
SATURNTECH9
  • EXPERT
Your welcome keep me posted on what you find.
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Saturday, March 24th, 2012 AT 5:52 PM

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