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P1698 related?

EFR98XJ

NAXJA Forum User
Ok I know this has been beat to death but I have one simple(?) question. I have a '98 with a cluster going nuts and the 1698 code. Been happening for 2 years and only in the winter. Anyway, replaced the gauge harness per TSB and checked all grounds. Still not fixed. Checked neg CCD bus wire from PCM to TCU. Got 4ohms. Checked the pos side and got 1.7ohms. Its obvious that I have an open on that line. My Q is--- Does that open wire affect the cluster? Thanks
 
I'll find out tonight. I'm going to trace the pos bus line (V/BK) from the PCM to the cluster and the TCM. I did something stupid at work and ran a new wire from the PCM to TCM. Got rid of the 1698 but now wiped out communication to the cluster. ALL DATA at work sucks. Does not have any diagrams on the bus.
 
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