Usually, a "short" in the BUS can either be the cluster (most common) or any
of the modules. That takes a while as a module won't "tell on itself" with
the DRB. Plus, if one module is shorted (BUS short), others may not work
either. So...the common diagnostics is to disconnect one module, check the
BUS, reconnect the module, disconnect another module, and then recheck the
BUS until you find it. There are tools out there to check the BUS, but they
will only get you to the general area. Some vehicles (such as the new
Durangos and LX platform vehicles) have up to 80 modules.
- Bernd
-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Jim Nelson
Sent: Tuesday, April 19, 2005 10:19 PM
To: dakota-truck-moderator@bent.twistedbits.net
Subject: DML: Re: RE: Re: RE: RE: no bus problem
Well they have checked the PCM That is not the problem. They are telling me
that it may be a short Now the serch begins for the short Any ideas?
Jim Nelson
""Bernd D. Ratsch"" <fasstdak@hotmail.com> wrote in message
news:BAY101-DAV78DFB270E85898ED1EB6DD2290@phx.gbl...
>
>
> Not necessarily - but that would be one of the first things to check.
> If
a
> module is shorted on the BUS line, it won't always blow a fuse (some
modules
> don't use a fuse).
>
> - Bernd
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