Code P1694


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Old 07-31-2010, 08:21 AM   #1
Johnno
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Default Code P1694

I put a code reader on my 1999 Cherokee 6 cyl and got code P1694.
The vehicle will not start.
Anybody know what this code is?


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Old 07-31-2010, 09:02 AM   #2
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Ok, this is what i found out.

P1694
Fault In Companion Module
No CCD/J1850 messages received from the powertrain control module-Asian transmission.

P1694 (M)
No BUS CCD Messages Received from ECM
Bus communication failure to PCM.

What do I need to do to fix it?
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Old 08-01-2010, 05:26 PM   #3
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Replaced the computer I get the same code.
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Old 08-01-2010, 08:14 PM   #4
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I was hoping that the OBDII Guru's would chime in by now...


After doing an extensive thread search, it sounds like it could be a faulty CPS.

This is what found for ya...

XJ No start. Getting code P1694 - NAXJA Forums -::- North American XJ Association


Hope this helps!
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Old 08-02-2010, 10:51 AM   #5
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I replaced the crankcase position sensor and all is now well.
It turns out that when the CPS shorts (and it was), the computer
shuts down to prevent damage to itself. As a result, no communication (P1694).

Thanks jfxj67.
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Old 08-02-2010, 10:44 PM   #6
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Glad to help!


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