PROBLEMS P0722, P1529, P1805, P1801

  • Tiny
  • shaul
  • 2001 Hyundai Accent

Hi, I have a problem with my car, hyundai accent 2001 - the problems are P0722, P1529, P1805, P1801 - can you help me understand what they mean?

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Wednesday, August 15th, 2012 AT 9:02 AM

7 Replies

  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

P0722 = Pulse Generator B, open.

All other codes are not found in our database.

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Wednesday, August 15th, 2012 AT 11:27 AM
  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

For 2002 model P1529 = Transaxle Control Module error - Invalid message. No information whatsoever on causes etc.

Still could not find any reference to the other two codes.

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Wednesday, August 15th, 2012 AT 1:41 PM
  • Tiny
  • chrisbellis
  • Member

Hi, not sure if you got your car fixed but codes p1801 is EEPROM error and p1805 is immobiliser transponder error both linked as I have them come up on my Kia Sedona, and Kia being owned by Hyundai I'm guessing same codes will be used

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Sunday, September 16th, 2012 AT 8:34 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

Thanks for the input.

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Sunday, September 16th, 2012 AT 9:19 PM
  • Tiny
  • shaul
  • Member

Thank you for all your help, we fixed these two problems but now I have another problem that the car isn't starting on parking - just on neutral, do you know what can be the cause of this?

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Wednesday, September 19th, 2012 AT 5:32 PM
  • Tiny
  • chrisbellis
  • Member

Sounds like park isn't fully engaged, maybe worn selector

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Wednesday, September 19th, 2012 AT 8:20 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

Is the P indicator light showing in dash?
Problem is a fault with the Park and Neutral Position switch, located on top of transmission at end of shift cable. It could be faulty or out of adjustment.
This should be the cause of P1529. Check the switch wire connectors for damage/contaminations due to water entry etc.

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Wednesday, September 19th, 2012 AT 8:38 PM

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