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2001 Dodge Ram no reading on scan tool

Tiny
JONRAMBONE
  • MEMBER
  • 2001 DODGE RAM
  • V8
  • 2WD
  • MANUAL
  • 112,000 MILES
I can't seem to get a reading with the obd II scan tool. It works fine with our other vehicles. Where should I start.
Sunday, April 26th, 2009 AT 9:19 PM

2 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Is Check Engine bulb working? Also check fuses
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Sunday, April 26th, 2009 AT 10:23 PM
Tiny
CARADIODOC
  • MECHANIC
  • 33,742 POSTS
What kind of scanner are you using? Some of the pins in the OBD2 connector are standardized per federal mandate. Other pins are used at the manufacturer's discretion. If you're using the popular Snapon MT2500, (red brick), there are different "personality keys" for different vehicles that must be inserted in the scanner's plug.

Some aftermarket code readers are only designed to work on certain vehicles, typically all models from one manufacturer.

Caradiodoc
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Tuesday, April 28th, 2009 AT 1:10 AM

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