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Got codes 1693,1687?

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Old Aug 10, 2006 | 12:27 PM
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Hammered Scout's Avatar
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Got codes 1693,1687?

Truck is 2001 HO, 6spd,BHAF,Muffler MIA. Truck seems to run fine but suddenly my interior cab lights and radio won't go on. I pulled the codes 1693 and 1687. What shoukd I do?
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Old Aug 10, 2006 | 02:20 PM
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From: Tucson, AZ
1693- Diagnostic Trouble Code detected in PCM

1687- No MIC Bus message (no messages recieved from the Mechanical Instrument Cluster module).

Hope this helps
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Old Aug 10, 2006 | 04:51 PM
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Do you think this why my interior cab lights and radio would'nt work. And I noticed my Oil Pressure was reading high before it was fixed by the local Caveman Elec. shop without scanning it before they fixed problem.
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Old Aug 10, 2006 | 10:12 PM
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From: Tucson, AZ
Originally Posted by Hammered Scout
Do you think this why my interior cab lights and radio would'nt work. And I noticed my Oil Pressure was reading high before it was fixed by the local Caveman Elec. shop without scanning it before they fixed problem.
Hoss, I wish I could help yall out more but I am learning all this stuff myself.

Hopefully someone will chime in here soon
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