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Old 12-14-2013, 03:33 PM   #5
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Join Date: May 2012
Posts: 7

2001 L-Series 3.0L Sedan
Default Re: Speedometer/odometer not working, OBD showing all codes

Is it possible the ECM could be bad, if ruling out the BCM? Could ECM failure cause the OBD to puke out all it's codes? Ha. I am going to rule out the BCM at the moment, so that I can approach it with a different frame of mind.


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