1999 Jeep Cherokee OBD II code

1999 JEEP CHEROKEE
150,000 MILES • 6 CYL • 4WD • AUTOMATIC
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DLH308
  • MEMBER
  • 2 POSTS
What does the code P1600 stand for? and where is my onboard computer located at?

Thanks
Jul 10, 2009 at 4:54 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
it is a communication code. It is either going to be a bad PCM The computer is the powertrain control module PCM-see below


https://images.2carpros.com/forum/automotive_pictures/12900_pcm_17.jpg

Jul 10, 2009 at 5:15 AM
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DLH308
  • MEMBER
  • 2 POSTS
Can the PCM be checked after I remove it from the Jeep?
Jul 10, 2009 at 4:27 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
You can bring it in and get tested.
Jul 11, 2009 at 11:54 AM
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