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OBD code P1899, what is a park neutral switch anyway? help?


 
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mfrank123
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Joined: 27 Apr 2008

PostPosted: Sun Apr 27, 2008 4:46 am    Post subject: OBD code P1899, what is a park neutral switch anyway? help? Reply with quote

have a 1996 cherokee sport with 320,000 miles. yesterday i got a check engine light and car parts place did a diagnostic test and received a code of P1899. a park neutral switch error. what exactly is this error? what doe the switch do and is it safe to drive in the mean time? given the high milage i am trying to figure out do i keep investing money into this car?

thanks
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Code3TJ
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Joined: 01 Jan 2004
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PostPosted: Sun Apr 27, 2008 8:39 am    Post subject: Reply with quote

From the sticky at the top of this section:

Quote:
If the reverse lights on your XJ have stopped working, or only work some of the time, your Neutral Safety Switch (NSS) could need to be cleaned. The NSS is what controls your reverse lights as well as what keeps the engine from being started in any gear other that Park or Neutral (hence the name).

http://jeepin.com/features/nss/index.asp
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