No bus?
01-19-2011 | 05:31 PM
#2
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Joined: Nov 2010
Posts: 239
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From: Tooele, Utah
Year: 1998
Model: Cherokee
Engine: 4.0
I think it means your communication to yourr gauges was lost but don't quote me on this. Did you check to see if there was loose connections in the back of your cluster?
01-19-2011 | 05:36 PM
#3
Seasoned Member
Joined: Sep 2010
Posts: 275
Likes: 0
From: Maryland
Year: 2004
Model: Grand Cherokee
Engine: 4.0L
I've seen this symptom referred to in conjunction with the Crankshaft Position Sensor. Did you spray down your engine, or get it wet recently?
01-19-2011 | 05:45 PM
#4
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Senior Member
Joined: Jan 2011
Posts: 707
Likes: 0
From: Los Fresnos, Texas
Year: 2k
Model: Cherokee
Engine: 4.0
I haven't checked the connection behind the dash yet. I believe the dash was removed about 6 months ago to replace the heater core or some other a/c-heater related parts. Could this be the cause?
01-19-2011 | 05:47 PM
#5
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Senior Member
Joined: Jan 2011
Posts: 707
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From: Los Fresnos, Texas
Year: 2k
Model: Cherokee
Engine: 4.0
It also goes in and out. Started today when I dropped my daughter off at school. On the way home from picking her up it started to work again.
01-19-2011 | 05:51 PM
#6
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Joined: Nov 2010
Posts: 182
Likes: 0
From: Charlotte
Year: 2000
Model: Cherokee
Engine: 4.slow
the ckps wiring has a tendency to rub on the bellhousing, causing a short to the pcm, hence your "no bus" signal. try disconnecting the crank sensor, and see if the "no bus" signal is there
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