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Old 11-18-2004, 10:10 AM
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Join Date: Sep 2004
Posts: 67
94 E320 New Clue For Code 20 Problem

I waited a few days after clearing my codes and then checked again. I still had the code 20 from Emissions (speed sensor not present) and the code 9 from pin 14, (Hall Effect Sensor). But this time I also had a code 28 from pin 8 (VSS Open Circuit). Does this mean anything new? Should I also try tea leaves?

I did remove the instrument cluster to verify that all the wires were connected. I looked at what I thought was the Hall effect sensor, which was, as Arthur said, incorporated into the instrument cluster. It seems odd for this part to fail because it is basically a magnet which picks up an analog signal. Does anyone think that the open circuit could be caused by the Cruise Amp?

The car runs well, except for the CEL staring at me like a wounded bear, I wouldn't know there was a problem.

Charles
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