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What is the difference between ODB code reader and ODB scanner?

Tiny
JUSTINGSS
  • MEMBER
  • 2006 AUDI 100
What is the difference between odb code reader and odb scanner? I have read some saying that for a code reader the engine light needs to be on but for it to work. I have read some saying that for a code reader the engine light needs to be on but for scanners does not.
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Tuesday, May 8th, 2012 AT 10:13 AM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
My definition between the two, A code reader just reads the code and a scantool gives you live data on parameters and actuators
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Tuesday, May 8th, 2012 AT 10:28 AM
Tiny
ANGELASA
  • MEMBER
  • 2 POSTS
A code reader is just that it reads codes a scanner will read codes and will read readyness status of monitors. A code reader just pulls codes. A scanner pulls codes, stores freeze frame data and you can view live sensor data. The engine light may not be on but there may still be a codes stored in the computer. The code reader can still be used to check for codes that don't turn the light on. In a word it is Same as scons and scones if you ask me
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Wednesday, May 9th, 2012 AT 2:43 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
You just have to make sure that your car will support live data on the unit you end up purchasing, some manufacturers block live data read out with out a factory scanner.
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Thursday, May 10th, 2012 AT 11:29 AM

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