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Code # meaning question.

Tiny
OZZY420
  • MEMBER
  • 1999 GMC TRUCK
  • 4WD
  • AUTOMATIC
Hello my friend has a 1999 gmc 3500 diesel truck and the check engine light turned on so I checked it with a code reader and it showed code # 1810 manufacture controlled transmission. Can someone tell me what that means.
Sunday, December 12th, 2010 AT 11:07 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
This code has to do with the transmission fluid pressure (TFP) sensor circuit.
Could be caused by a bad sensor or may be due to a lack of transmission fluid
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Sunday, December 12th, 2010 AT 11:11 PM
Tiny
OZZY420
  • MEMBER
  • 2 POSTS
Where is the pressure sensor
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Sunday, December 12th, 2010 AT 11:26 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The fluid pressure sensor/switch -Its contained within the transmission valve body
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Sunday, December 12th, 2010 AT 11:33 PM

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