How do I reprogram the throttle position sensor?

Tiny
BIGFOOT15
  • 1997 VOLKSWAGEN JETTA
  • 400,000 MILES

Keep getting codes 1544 & 1580, but the car runs great.

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Wednesday, April 4th, 2012 AT 12:56 AM

30 Replies

Tiny
BIGFOOT15
  • MEMBER

Oh & I have already adjusted the throttle cable.

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Wednesday, April 4th, 2012 AT 1:02 AM
Tiny
FIXITMR
  • MEMBER

Tried disconnecting the battery for awhile?

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Wednesday, April 4th, 2012 AT 1:36 AM
Tiny
BIGFOOT15
  • MEMBER

Yes. Another expert, GREAT.I paid % bucks for another SWAG.

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Wednesday, April 4th, 2012 AT 1:49 AM
Tiny
BIGFOOT15
  • MEMBER

ALL disconnecting the battery does is erase the codes until you drive the car again. HEE HAW HEE HAW.

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Wednesday, April 4th, 2012 AT 1:52 AM
Tiny
BIGFOOT15
  • MEMBER

Disconnecting the battery also sends the pcm into RELEARN mode, but my problem is with the TPS, not the PCM.

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Wednesday, April 4th, 2012 AT 1:59 AM
Tiny
EXOVCDS
  • MEMBER

Throttle adaptation is performed with a scan tool.

If adaptation does not take, or errors persist, check wiring. Replace throttle body if no faults are found.

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Wednesday, April 4th, 2012 AT 2:48 AM
Tiny
BIGFOOT15
  • MEMBER

Tell me more about adaptation. Nobody has told me about adaptation in so many words.I am trying to avoid replacing the the throttle body since it runs so good. Just ask the guy in the pickup with the hemi that I smoked.

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Wednesday, April 4th, 2012 AT 3:10 AM
Tiny
EXOVCDS
  • MEMBER

Throttle adaptation is performed on throttle bodies that are "motorized".

If your engine does not have motorized TB, then no adaptation can be done.

What size engine have you got? I assume VR6?

You will need to use VCDS (vag-com) to run the adaptation. Clean the throttle body
before adaptation, as a dirty throttle bore can cause idle issues & set idle codes.

Follow the directions in the link above to perform the adaptation.

Thomas

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Wednesday, April 4th, 2012 AT 3:27 AM
Tiny
BIGFOOT15
  • MEMBER

Go back. Oh never mind.I donate5 $ and told them it was a 1997 VW JETTA 2.0.& They dont even bother to print the whole dang @#$% &*question. Any how it is a 1997 VW Jetta with a 2.0 8 valve engine with a throttle cable(I did mention this). If it has a cable, does this not mean it is not an electronic, fly by wire, motorized throttle? Where are the goldamned professionals I donated to. If I get some real solid answers, not Goldamned SWAG, I will donate for every future question.

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Wednesday, April 4th, 2012 AT 3:59 AM
Tiny
EXOVCDS
  • MEMBER

I'm a user just like you. I didn't see that it was a 2 liter engine.

I assumed VR6 because you smoked the hemi! :)

You can not "reprogram" the tps. It is just an input to the ECM

Post a picture of your engine bay and I will tell you if the throttle body is motorized or not.

Drive by wire didn't start until 2001, but cable & motorized TB were around in 97/98.

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Wednesday, April 4th, 2012 AT 4:09 AM
Tiny
EXOVCDS
  • MEMBER

The codes you listed pertain to a motorized (with cable) TB.

Google throttle body cleaning & adaptation (ABA engine).
If that does not solve the issue, replace the throttle body.

Thomas

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Wednesday, April 4th, 2012 AT 4:19 AM
Tiny
BIGFOOT15
  • MEMBER

Ok, I will try to get you a picture.I noticed you dont call yourself an expert, so I will value your opinion.

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Wednesday, April 4th, 2012 AT 4:20 AM
Tiny
WRENCHTECH
  • EXPERT
  • 20,831 POSTS

OK, this is a different expert. First, let me say that if you want some help, lose the attitude. YOU are the one that creates the text for your question and nowhere did you post the engine size until later in the thread. Second, you are posting codes that relate directly to a "drive by wire" system so if you think you have a cable, then you need to go look again and get your own facts correct before you start jumping on everyone else. The codes you are claiming will likely lead you to a new throttle body but of course, that can't be confirmed online and requires on site testing with a high grade scan tool.

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Monday, April 9th, 2012 AT 10:25 PM
Tiny
BIGFOOT15
  • MEMBER

Dear Wenchtech, You lose the attitude. It is a 1997 Vw Jetta with a 2.0 ABA engine & if the connection between the accelerator pedal and the throttle that makes it go vroom when you step on the gas is not made of steel cable in cable housing, you can kiss my rabbit between the ears.

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Tuesday, April 10th, 2012 AT 4:35 AM
Tiny
BIGFOOT15
  • MEMBER

My original Question mentioned the engine size, but I asked again &forgot to mention the engine size.I thought I was continuing my original thread, oops. Thanks to fixitmr for the websight. Thank you exovcds for the honest intelligent advice.

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Tuesday, April 10th, 2012 AT 4:56 AM
Tiny
EXOVCDS
  • MEMBER

Attached is a picture of a 1998 2.0l Throttle Body. Motorized with cable.

If yours looks like that, then follow the instructions in the links
I posted above.

If the wiring checks out, then you might have to replace the Throttle
Body. Used ones at the wreckers are cheaper than new.

Thomas

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Wednesday, April 11th, 2012 AT 3:33 AM
Tiny
BIGFOOT15
  • MEMBER

LOoks just like the picture. What makes it motorized?It is more like a rheostat, right?If I disconnect the throttle cable, the motorized throttle does absolutely nothing, right.

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Wednesday, April 11th, 2012 AT 4:42 AM
Tiny
EXOVCDS
  • MEMBER

Hi,

Instead of a separate "idle stabilizer or idle air valve" the ECM adjusts idle via the throttle plate.

You have to look at the throttle closely to see the movement at idle. Look at the little silver
tang at the side of the black plastic piece where the cable loops around.

Thomas

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Wednesday, April 11th, 2012 AT 4:47 AM
Tiny
BIGFOOT15
  • MEMBER

O.K. I will look at that. Could that have anything to do with the codes or should I just be resolved to replacing the throttle body?So far I have not seen anything about Tweaking a tang or bending anything or reprogramming anything to make the codes go away. Other than adjusting the throttle cable, there seems to be nothing I can do?

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Wednesday, April 11th, 2012 AT 9:48 PM

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