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Scanner not linking

498 views 9 replies 7 participants last post by  jtec 
#1 ·
Hi can anyone tell me where to check as my obd2 scanner is giving me a linking error.
 
#4 ·
Check/clean ground G103 which is on the passenger side engine block to the rear of the motor mount on the 4.0. In addition to the PCM using this ground location the data link connector is also grounded on G103. I don't have any photos of the 4.0 in the below ground write-up but there are figures/diagrams under G103.

https://www.jeepforum.com/forum/f310/jeep-wj-ground-write-up-info-4192594/
 
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